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DeployStack architecture showing cloud control plane managing local gateway and MCP servers
-DeployStack introduces a **Control Plane / Data Plane architecture** that brings enterprise-grade management to the MCP ecosystem while maintaining the performance and flexibility developers expect. +DeployStack introduces a **Control Plane / Satellite architecture** that brings enterprise-grade management to the MCP ecosystem with zero installation friction through managed satellite infrastructure. ## Core Components @@ -64,16 +64,16 @@ DeployStack introduces a **Control Plane / Data Plane architecture** that brings } - title="Data Plane" + title="Satellite Infrastructure" > - **DeployStack Gateway** - Local secure proxy managing persistent MCP server processes with credential injection + **Global & Team Satellites** - Managed MCP infrastructure providing instant access with zero installation } title="Developer Interface" > - **Agent Integration** - VS Code, CLI tools, and other MCP clients connect seamlessly through the gateway + **Simple URL Configuration** - VS Code, Claude, and other MCP clients connect via HTTPS URL with OAuth @@ -99,78 +99,61 @@ The cloud-based control plane provides centralized management for all MCP infras - **Cost Tracking**: Monitor expensive API usage across teams and optimize spending - **Audit Trails**: Complete logging of all MCP server interactions for compliance -### Data Plane: DeployStack Gateway +### Satellite Infrastructure: Global & Team Satellites -The local gateway acts as an intelligent proxy and process manager running on each developer's machine: +The satellite infrastructure provides managed MCP services through two deployment models: -#### Persistent Process Management -- **Background Processes**: All configured MCP servers run as [persistent background processes](/development/gateway/process-management) when the gateway starts -- **Instant Availability**: Tools are immediately available without process spawning delays -- **Language Agnostic**: Supports MCP servers written in Node.js, Python, Go, Rust, or any language +#### Global Satellites (Managed by DeployStack) +- **Zero Installation**: Access via simple HTTPS URL configuration +- **Auto-Scaling**: Handles traffic spikes automatically +- **Multi-Region**: Low-latency global availability +- **Fully Featured**: Complete MCP server access and team management -#### Dual Transport Architecture -The gateway implements sophisticated transport protocols for maximum compatibility: +#### Team Satellites (Customer-Deployed) +- **On-Premise Deployment**: Within corporate networks for internal resource access +- **Complete Team Isolation**: Linux namespaces and cgroups for security +- **Internal Resources**: Connect to company databases, APIs, file systems +- **Enterprise Security**: Full compliance and governance controls -**SSE Transport (VS Code Compatibility)**: -``` -VS Code → GET /sse → DeployStack Gateway - ← SSE Stream with session endpoint -VS Code → POST /message?session=xyz → Gateway → MCP Server (stdio) - ← JSON-RPC response via SSE -``` - -**stdio Transport (CLI Compatibility)**: -``` -CLI Tool → DeployStack Gateway → MCP Server (stdio) - ← Direct JSON-RPC over stdio -``` - -#### Secure Credential Injection -- **Runtime Injection**: Credentials are injected directly into MCP server process environments at startup -- **Zero Disk Exposure**: No credentials written to disk in plain text -- **Process Isolation**: Each MCP server runs in its own isolated environment +#### OAuth Authentication +- **Standard OAuth Flow**: Client credentials generated in dashboard +- **Secure Token Exchange**: Standard Bearer Token authentication +- **Team-Aware Access**: Credentials scoped to specific teams and permissions +- **Zero Credential Storage**: No local credential management required ## Protocol Flow -### 1. Developer Authentication -```bash -deploystack login -``` -- Gateway authenticates with cloud.deploystack.io using OAuth2 -- Downloads team configurations and access policies -- Caches encrypted configurations locally - -### 2. Gateway Startup -```bash -deploystack start -``` -- **Configuration Sync**: Downloads latest team MCP server configurations -- **Process Spawning**: Starts all configured MCP servers as background processes -- **Credential Injection**: Securely injects team credentials into process environments -- **Service Discovery**: Discovers and caches all available tools from running processes -- **HTTP Server**: Starts local server at `http://localhost:9095/sse` for client connections +### 1. OAuth Client Setup +- Developer creates OAuth client credentials in cloud.deploystack.io dashboard +- Client ID and Secret generated for secure satellite access +- No software installation or local authentication required -### 3. Client Connection -**VS Code Configuration**: +### 2. VS Code Configuration +**Simple URL Configuration**: ```json { "mcpServers": { "deploystack": { - "url": "http://localhost:9095/sse" + "url": "https://satellite.deploystack.io/mcp", + "oauth": { + "client_id": "deploystack_mcp_client_abc123def456ghi789", + "client_secret": "deploystack_mcp_secret_xyz789abc123def456ghi789jkl012" + } } } } ``` +### 3. Satellite Connection **Connection Flow**: -1. **SSE Establishment**: VS Code connects to `/sse` endpoint -2. **Session Creation**: Gateway generates cryptographically secure session ID -3. **Tool Discovery**: Client calls `tools/list` to discover available MCP servers -4. **Request Routing**: All tool requests routed through gateway to persistent MCP processes +1. **OAuth Authentication**: Client credentials validated against control plane +2. **Team Resolution**: User's team memberships and permissions retrieved +3. **Tool Discovery**: Available MCP tools based on team configuration +4. **Request Processing**: All tool requests processed through managed satellite infrastructure ### 4. Request Processing ``` -Client Request → Gateway Session Validation → Route to MCP Process → Return Response +Client Request → OAuth Validation → Team Authorization → Satellite MCP Processing → Response ``` ## Security Architecture @@ -178,68 +161,60 @@ Client Request → Gateway Session Validation → Route to MCP Process → Retur DeployStack implements enterprise-grade security across all components of the platform. For comprehensive security details including credential management, access control, and compliance features, see our [Security Documentation](/security). Key security principles: -- **Zero-Trust Credential Model**: Credentials never stored on developer machines -- **Process Isolation**: Each MCP server runs in complete isolation -- **Cryptographic Sessions**: 256-bit entropy for all client connections +- **OAuth Bearer Token Authentication**: Standard OAuth flow with secure credential management +- **Team Isolation**: Complete separation between team resources and data +- **Managed Infrastructure**: Enterprise-grade security controls in satellite infrastructure ## Performance Optimization -### Persistent Process Model -Unlike on-demand spawning, DeployStack uses persistent background processes: +### Managed Satellite Infrastructure +Unlike local installations, DeployStack uses managed satellite infrastructure: -- **Zero Latency**: All tools immediately available from running processes -- **Resource Efficiency**: No spawn/cleanup overhead during development workflows -- **Memory Stability**: Consistent resource usage patterns -- **Parallel Processing**: Concurrent handling of multiple requests across processes +- **Instant Availability**: All tools immediately available without local setup +- **Auto-Scaling**: Satellite infrastructure scales automatically with demand +- **Global Distribution**: Multiple regions for low-latency access worldwide +- **Zero Maintenance**: No local processes to manage or update ### Caching Strategy -DeployStack implements sophisticated caching mechanisms to optimize performance and enable offline operation. For detailed information about the caching architecture, implementation, and team isolation strategies, see our [Gateway Caching System Documentation](/development/gateway/caching-system). +DeployStack implements sophisticated caching mechanisms in satellite infrastructure for optimal performance. Caching is managed transparently by the satellite infrastructure with no local configuration required. ## Enterprise Features -### Organizational Visibility +### Organizational Visibility (Coming soon) - **Real-Time Analytics**: Live dashboard showing MCP server usage across the organization - **Cost Optimization**: Track expensive API usage and identify optimization opportunities - **Resource Planning**: Understand which tools drive the most value for different teams -### Compliance & Governance +### Compliance & Governance (Coming soon) - **Audit Logging**: Complete trails of all MCP server interactions -- **Policy Enforcement**: Centralized policies automatically enforced at the gateway level +- **Policy Enforcement**: Centralized policies automatically enforced at the satellite level - **Access Reviews**: Regular reviews of team access to sensitive MCP servers -### Operational Controls +### Operational Controls (Coming soon) - **Centralized Updates**: Push MCP server configuration changes to all team members - **Emergency Disable**: Instantly disable problematic MCP servers across the organization - **Health Monitoring**: Real-time monitoring of MCP server performance and availability ## Team Context Switching -DeployStack supports multiple team memberships with seamless context switching: - -```bash -# List available teams -deploystack teams - -# Switch to different team -deploystack teams --switch 2 -``` +DeployStack supports multiple team memberships with instant context switching: -**Context Switch Process**: -1. **Graceful Shutdown**: Stop all current team's MCP server processes -2. **Configuration Refresh**: Download new team's configurations and credentials -3. **Process Restart**: Start all MCP servers for the new team -4. **State Synchronization**: Update local cache and runtime state +**Team Switch Process** (via dashboard): +1. **Select Team**: Choose different team in cloud.deploystack.io dashboard +2. **Generate New OAuth Credentials**: Create new client credentials for the team +3. **Update Configuration**: Replace OAuth credentials in VS Code configuration +4. **Instant Access**: New team's MCP tools immediately available ## Deployment Models ### Cloud-Native (Default) - **Control Plane**: Hosted at cloud.deploystack.io -- **Data Plane**: Local gateway on developer machines -- **Benefits**: Zero infrastructure management, automatic updates, shared team configurations +- **Satellite Infrastructure**: Managed global satellites with optional team satellites +- **Benefits**: Zero installation friction, automatic updates, shared team configurations ### Self-Hosted Enterprise - **Control Plane**: Deployed in customer's infrastructure -- **Data Plane**: Local gateways connect to private control plane +- **Team Satellites**: Customer-deployed satellites within corporate networks - **Benefits**: Complete data sovereignty, custom compliance requirements, air-gapped environments ## Development Workflow @@ -257,10 +232,11 @@ deploystack teams --switch 2 ### After DeployStack ```bash -# One-time setup for entire team -1. npm install -g @deploystack/gateway -2. deploystack login -3. # Done! All authorized tools available immediately +# Zero installation setup for entire team +1. Register at cloud.deploystack.io +2. Create OAuth client credentials +3. Add URL to VS Code configuration +4. # Done! All authorized tools available immediately ``` **VS Code Configuration**: @@ -268,48 +244,52 @@ deploystack teams --switch 2 { "mcpServers": { "deploystack": { - "url": "http://localhost:9095/sse" + "url": "https://satellite.deploystack.io/mcp", + "oauth": { + "client_id": "your_client_id", + "client_secret": "your_client_secret" + } } } } ``` -## Monitoring & Observability (comming soon) +## Monitoring & Observability (Coming soon) -### Gateway Metrics -- **Process Health**: Real-time status of all MCP server processes +### Satellite Metrics +- **Infrastructure Health**: Real-time status of satellite infrastructure - **Request Throughput**: Performance metrics for tool usage - **Error Rates**: Failure detection and automatic recovery -- **Resource Usage**: CPU, memory, and network consumption +- **Resource Usage**: Satellite resource consumption and scaling ### Cloud Metrics - **Team Activity**: Organization-wide usage patterns and trends - **Cost Analysis**: API usage costs and optimization recommendations - **Security Events**: Authentication, authorization, and policy violations -- **Performance Analytics**: Gateway and MCP server performance across teams +- **Performance Analytics**: Satellite performance across teams and regions ## Benefits Summary ### For Developers -- **Zero Configuration**: One command setup, then everything works +- **Zero Installation**: One URL configuration, then everything works - **Instant Access**: All team tools immediately available - **Consistent Environment**: Identical setup across all team members -- **No Credential Management**: Never handle API keys or tokens +- **No Credential Management**: OAuth handles all authentication securely ### for Organizations -- **Complete Visibility**: Know what MCP tools are used, by whom, and how often +- **Complete Visibility**: Know what MCP tools are used, by whom, and how often (coming soon) - **Security Control**: Centralized credential management and access policies -- **Cost Optimization**: Track and optimize expensive API usage -- **Compliance Ready**: Full audit trails and governance controls +- **Cost Optimization**: Track and optimize expensive API usage (coming soon) +- **Compliance Ready**: Full audit trails and governance controls (coming soon) ### For Administrators - **Central Management**: Single dashboard for entire MCP ecosystem - **Policy Enforcement**: Granular control over tool access by team and role -- **Instant Deployment**: Push configuration changes to all team members -- **Operational Insights**: Real-time monitoring and analytics +- **Instant Deployment**: Push configuration changes to all team members (coming soon) +- **Operational Insights**: Real-time monitoring and analytics (coming soon) - **Enterprise Transformation**: DeployStack transforms MCP from individual developer tools into enterprise-ready infrastructure, providing the security, governance, and operational control that organizations need while maintaining the developer experience that teams love. + **MCP-as-a-Service**: DeployStack transforms MCP from individual developer tools into enterprise-ready infrastructure with zero installation friction, providing the security, governance, and operational control that organizations need while maintaining the developer experience that teams love. --- diff --git a/docs/development/backend/api-security.mdx b/docs/development/backend/api-security.mdx index 05994b3..5f2ece2 100644 --- a/docs/development/backend/api-security.mdx +++ b/docs/development/backend/api-security.mdx @@ -234,6 +234,10 @@ requireOwnershipOrAdmin(getUserIdFromRequest) // User owns resource OR is admin // Dual authentication (Cookie + OAuth2) requireAuthenticationAny() // Accept either cookie or OAuth2 Bearer token requireOAuthScope('scope.name') // Enforce OAuth2 scope requirements + +// Satellite authentication (API key-based) +requireSatelliteAuth() // Validates satellite API keys using argon2 +requireUserOrSatelliteAuth() // Accept either user auth or satellite API key ``` ### Dual Authentication Support @@ -265,6 +269,79 @@ export default async function dualAuthRoute(server: FastifyInstance) { For detailed OAuth2 implementation, see the [Backend OAuth Implementation Guide](/development/backend/oauth-providers) and [Backend Security Policy](/development/backend/security#oauth2-server-security). +### Satellite Authentication + +For endpoints that need to authenticate DeployStack Satellite instances, use the satellite authentication middleware. Satellites use API key-based authentication with argon2 hash verification. + +```typescript +import { requireSatelliteAuth, requireUserOrSatelliteAuth } from '../../middleware/satelliteAuthMiddleware'; + +export default async function satelliteRoute(server: FastifyInstance) { + // Satellite-only endpoint + server.post('/satellites/:satelliteId/heartbeat', { + preValidation: [requireSatelliteAuth()], // Only satellites can access + schema: { + security: [{ bearerAuth: [] }] // API key via Bearer token + } + }, async (request, reply) => { + // Access satellite context + const satellite = request.satellite!; + const satelliteId = satellite.id; + const satelliteType = satellite.satellite_type; // 'global' or 'team' + }); + + // Hybrid endpoint (users OR satellites) + server.get('/satellites/:satelliteId/status', { + preValidation: [requireUserOrSatelliteAuth()], // Accept either auth method + schema: { + security: [ + { cookieAuth: [] }, // User authentication + { bearerAuth: [] } // Satellite API key + ] + } + }, async (request, reply) => { + // Check authentication type + if (request.satellite) { + // Authenticated as satellite + const satelliteId = request.satellite.id; + } else if (request.user) { + // Authenticated as user + const userId = request.user.id; + } + }); +} +``` + +#### Satellite Authentication Flow + +The satellite authentication middleware performs these steps: + +1. **Bearer Token Extraction**: Extracts API key from Authorization header +2. **Database Lookup**: Retrieves all satellite records from database +3. **Hash Verification**: Uses argon2.verify() to validate API key against stored hashes +4. **Context Setting**: Sets satellite information on request object for route handlers + +#### Satellite Context Object + +When satellite authentication succeeds, the middleware sets `request.satellite` with: + +```typescript +interface SatelliteContext { + id: string; // Satellite unique identifier + name: string; // Human-readable satellite name + satellite_type: 'global' | 'team'; // Deployment type + team_id: string | null; // Associated team (null for global) + status: 'active' | 'inactive' | 'maintenance' | 'error'; // Current status +} +``` + +#### Security Considerations + +- **API Key Storage**: Satellite API keys are stored as argon2 hashes in the database +- **Key Generation**: 32-byte cryptographically secure random keys (base64url encoded) +- **Key Rotation**: New API key generated on each satellite registration +- **Scope Isolation**: Satellites can only access their own resources and endpoints + ### Team-Aware Permission System For endpoints that operate within team contexts (e.g., `/teams/:teamId/resource`), use the team-aware permission middleware: diff --git a/docs/development/backend/gateway-client-config.mdx b/docs/development/backend/gateway-client-config.mdx deleted file mode 100644 index 06f42d4..0000000 --- a/docs/development/backend/gateway-client-config.mdx +++ /dev/null @@ -1,78 +0,0 @@ ---- -title: Gateway Client Configuration API -description: Developer guide for the Gateway Client Configuration endpoint that provides pre-formatted configuration files for MCP clients to connect to the DeployStack Gateway ---- - -# Gateway Client Configuration API - -The Gateway Client Configuration API provides pre-formatted configuration files for various MCP clients to connect to the local DeployStack Gateway. This eliminates manual configuration steps and reduces setup errors for developers. - -## Overview - -The endpoint generates client-specific JSON configurations that users can directly use in their MCP clients (Claude Desktop, Cline, VSCode, Cursor, Windsurf) to connect to their local DeployStack Gateway running on `http://localhost:9095/sse`. - -## API Endpoint - -**Route:** `GET /api/gateway/config/:client` - -**Parameters:** -- `:client` - The MCP client type (required) - - Supported values: `claude-desktop`, `cline`, `vscode`, `cursor`, `windsurf` - -**Authentication:** Dual authentication support -- Cookie-based authentication (web users) -- OAuth2 Bearer token authentication (CLI users) - -**Required Permission:** `gateway.config:read` -**Required OAuth2 Scope:** `gateway:config:read` - -## Client Configurations - -The endpoint supports multiple MCP client types, each with its own optimized configuration format. All configurations use the DeployStack Gateway's SSE endpoint: `http://localhost:9095/sse` - -**Supported Clients:** -- `claude-desktop` - Claude Desktop application -- `cline` - Cline VS Code extension -- `vscode` - VS Code MCP extension -- `cursor` - Cursor IDE -- `windsurf` - Windsurf AI IDE - -**Configuration Source:** For the current client configuration formats and JSON structures, see the `generateClientConfig()` function in: - -```bash -services/backend/src/routes/gateway/config/get-client-config.ts -``` - -## Permission System - -### Role Assignments - -The `gateway.config:read` permission is assigned to: -- **global_admin** - Basic access to get gateway configs they need -- **global_user** - Basic access to get gateway configs they need - -### OAuth2 Scope - -The `gateway:config:read` OAuth2 scope: -- **Purpose:** Enables CLI tools and OAuth2 clients to fetch gateway configurations -- **Description:** "Generate client-specific gateway configuration files" -- **Gateway Integration:** Automatically requested during gateway OAuth login - -## Future Enhancements - -### Additional Client Types -- **Zed Editor** - Growing popularity in developer community -- **Neovim** - Popular among command-line developers -- **Custom Clients** - Generic JSON format for custom integrations - -### Configuration Customization -- **Environment Variables** - Support for different gateway URLs -- **TLS/SSL Support** - When gateway supports secure connections -- **Authentication Tokens** - If gateway adds authentication in future - -## Related Documentation - -- [Backend API Security](/development/backend/api-security) - Security patterns and authorization -- [Backend OAuth2 Server](/development/backend/oauth2-server) - OAuth2 implementation details -- [Gateway OAuth Implementation](/development/gateway/oauth) - Gateway OAuth client -- [Gateway SSE Transport](/development/gateway/sse-transport) - Gateway SSE architecture diff --git a/docs/development/backend/index.mdx b/docs/development/backend/index.mdx index 12cb1eb..b90bd55 100644 --- a/docs/development/backend/index.mdx +++ b/docs/development/backend/index.mdx @@ -9,7 +9,7 @@ import { Database, Shield, Plug, Settings, Mail, TestTube, Wrench, BookOpen, Ter # DeployStack Backend Development -The DeployStack backend is a modern, high-performance Node.js application built with **Fastify**, **TypeScript**, and **Drizzle ORM**. It's specifically designed for managing MCP (Model Context Protocol) server configurations with enterprise-grade features including authentication, role-based access control, and an extensible plugin system. +The DeployStack backend is a modern, high-performance Node.js application built with **Fastify**, **TypeScript**, and **Drizzle ORM**. It serves as the central control plane managing MCP server catalogs, team configurations, satellite orchestration, and user authentication with enterprise-grade features. ## Technology Stack @@ -18,7 +18,7 @@ The DeployStack backend is a modern, high-performance Node.js application built - **Database**: SQLite (default) or PostgreSQL with Drizzle ORM - **Validation**: Zod for request/response validation and OpenAPI generation - **Plugin System**: Extensible architecture with security isolation -- **Authentication**: Cookie-based sessions with role-based access control +- **Authentication**: Dual authentication system - cookie-based sessions for frontend and OAuth 2.1 for satellite access ## Quick Start @@ -99,10 +99,10 @@ The development server starts at `http://localhost:3000` with API documentation } - href="/deploystack/development/backend/gateway-client-config" - title="Gateway Client Configuration" + href="/deploystack/development/backend/satellite-communication" + title="Satellite Communication" > - API endpoint for generating client-specific gateway configuration files with dual authentication support. + API endpoints for satellite registration, configuration management, and command orchestration with polling-based communication. diff --git a/docs/development/backend/logging.mdx b/docs/development/backend/logging.mdx index 95e78d1..ecacf35 100644 --- a/docs/development/backend/logging.mdx +++ b/docs/development/backend/logging.mdx @@ -1,7 +1,7 @@ --- -title: Backend Logging & Log Level Configuration +title: Backend Logging & Log Level Configuration description: Complete guide to configuring and using log levels in the DeployStack backend for development and production environments. -sidebar: Backend Development +sidebar: Logging --- import { Callout } from 'fumadocs-ui/components/callout'; diff --git a/docs/development/backend/oauth2-server.mdx b/docs/development/backend/oauth2-server.mdx index 3c7494c..9c2c485 100644 --- a/docs/development/backend/oauth2-server.mdx +++ b/docs/development/backend/oauth2-server.mdx @@ -9,17 +9,19 @@ This document describes the OAuth2 authorization server implementation in the De ## Overview -The OAuth2 server provides RFC 6749 compliant authorization for programmatic API access. This enables the DeployStack Gateway CLI and other tools to authenticate users and access APIs on their behalf using Bearer tokens instead of cookies. +The OAuth2 server provides RFC 6749 compliant authorization for programmatic API access with RFC 7591 Dynamic Client Registration support. This enables the DeployStack Gateway CLI, MCP clients (VS Code, Cursor, Claude.ai), and other tools to authenticate users and access APIs on their behalf using Bearer tokens instead of cookies. ## Architecture The OAuth2 server implementation includes: - **Authorization Server** - Handles OAuth2 authorization flow with PKCE +- **Dynamic Client Registration** - RFC 7591 compliant client registration for MCP clients - **Token Management** - Issues and validates access/refresh tokens - **Consent System** - User authorization interface - **Dual Authentication** - Supports both cookies and Bearer tokens - **Scope-based Access** - Fine-grained permission control +- **Database Storage** - Persistent client and token storage ## OAuth2 Flow @@ -34,9 +36,19 @@ The implementation follows the OAuth2 Authorization Code flow enhanced with PKCE 5. **Token exchange** - Client exchanges code for tokens 6. **API access** - Client uses Bearer token for requests +### Dynamic Client Registration Flow (RFC 7591) + +MCP clients can automatically register themselves: + +1. **Client registration** - POST to `/api/oauth2/register` with metadata +2. **Client validation** - Server validates redirect URIs and grants +3. **Client ID generation** - Server generates unique client_id (format: `dyn__`) +4. **Database storage** - Client metadata stored in `dynamic_oauth_clients` table +5. **OAuth flow** - Client proceeds with standard authorization flow + ### PKCE Implementation -PKCE provides security for public clients (like CLI tools): +PKCE provides security for public clients (like CLI tools and MCP clients): #### Code Verifier - 128 random bytes encoded as base64url @@ -60,34 +72,70 @@ PKCE provides security for public clients (like CLI tools): Manages the authorization flow: #### Client Validation -- Validates client_id against whitelist -- Currently supports `deploystack-gateway-cli` -- Extensible for additional clients +- Validates dynamic clients against database (`dynamic_oauth_clients` table) +- Supports both pre-registered and dynamically registered clients +- Extensible for additional client types #### Redirect URI Validation -- Checks URI against allowed list -- Supports localhost callbacks for CLI +- Checks URI against allowed patterns for MCP clients +- Supports localhost callbacks for CLI tools +- Supports VS Code specific patterns (`http://127.0.0.1:/`, `vscode://`) +- Supports Cursor patterns (`cursor://`) +- Supports Claude.ai patterns (`https://claude.ai/mcp/auth/callback`) - Prevents redirect attacks #### Scope Validation -- Validates requested scopes +- Validates requested scopes against MCP scope patterns +- Supports `mcp:read`, `mcp:tools:execute`, `offline_access` - Ensures scopes are recognized - Limits access appropriately #### Authorization Storage -- Stores authorization requests +- Stores authorization requests in database - Links PKCE challenges -- Manages request lifecycle +- Manages request lifecycle with expiration +- Supports team-scoped authorization #### Code Generation - Creates authorization codes -- Associates with user session -- Implements expiration +- Associates with user session and team +- Implements 10-minute expiration +- Prevents replay attacks #### Code Verification -- Validates authorization codes +- Validates authorization codes against database - Verifies PKCE challenge - Ensures single use +- Validates client and redirect URI match + +### Dynamic Client Registration + +Implements RFC 7591 Dynamic Client Registration: + +#### Registration Endpoint +- **File**: `services/backend/src/routes/oauth2/register.ts` +- **Endpoint**: `POST /api/oauth2/register` +- **Purpose**: Allows MCP clients to self-register + +#### Client Metadata Validation +- Validates `redirect_uris` against MCP client patterns +- Supports VS Code: `http://127.0.0.1:/`, `https://vscode.dev/redirect` +- Supports Cursor: `cursor://` schemes +- Supports Claude.ai: `https://claude.ai/mcp/auth/callback` +- Validates `grant_types` (authorization_code, refresh_token) +- Validates `response_types` (code) + +#### Client ID Generation +- Format: `dyn__` +- Timestamp: Unix timestamp for uniqueness +- Random suffix: 9-character base36 string +- Example: `dyn_1757880447836_uvze3d0yc` + +#### Database Storage +- **Table**: `dynamic_oauth_clients` +- **Schema**: See `services/backend/src/db/schema.sqlite.ts` +- **Fields**: client_id, client_name, redirect_uris, grant_types, response_types, scope, token_endpoint_auth_method, client_id_issued_at, expires_at +- **Persistence**: Survives server restarts and supports multiple instances ### TokenService @@ -96,50 +144,80 @@ Handles token lifecycle: #### Token Generation - Creates cryptographically secure tokens - Generates appropriate expiration -- Stores hashed versions +- Stores hashed versions in database #### Access Token Management -- Issues 1-hour access tokens -- Includes user and scope data +- Issues 1-week access tokens for MCP clients +- Issues 1-hour access tokens for CLI tools +- Includes user, team, and scope data - Enables API authentication #### Refresh Token Handling - Issues 30-day refresh tokens - Allows token renewal - Maintains session continuity +- Supports offline access #### Token Verification - Validates token format - Checks expiration - Verifies against database +- Supports introspection endpoint #### Token Refresh - Exchanges refresh for access token - Validates client identity - Maintains scope consistency +- Supports both static and dynamic clients #### Token Revocation - Invalidates tokens on demand - Cleans up related tokens - Ensures immediate effect -### OAuthCleanupService +### Database Schema + +#### Dynamic OAuth Clients Table +- **File**: `services/backend/src/db/schema.sqlite.ts` +- **Table**: `dynamic_oauth_clients` +- **Migration**: `0006_keen_firestar.sql` +- **Purpose**: Persistent storage for dynamically registered MCP clients + +#### OAuth Authorization Codes Table +- **Table**: `oauth_authorization_codes` +- **Purpose**: Stores authorization requests and codes +- **Features**: PKCE challenge storage, team context, expiration + +#### OAuth Access Tokens Table +- **Table**: `oauth_access_tokens` +- **Purpose**: Stores issued access tokens +- **Features**: Hashed storage, scope tracking, team context + +#### OAuth Refresh Tokens Table +- **Table**: `oauth_refresh_tokens` +- **Purpose**: Stores refresh tokens for token renewal +- **Features**: Long-term storage, client association -Automatic maintenance: +### OAuthCleanupService (TODO) + +Automatic maintenance system needs implementation: #### Scheduled Cleanup -- Runs hourly via cron -- Removes expired tokens -- Prevents database bloat +- Should run hourly via cron +- Remove expired authorization codes (>10 minutes) +- Remove expired access tokens +- Remove expired refresh tokens +- Clean up unused dynamic client registrations #### Cleanup Scope -- Authorization codes > 10 minutes +- Authorization codes > 10 minutes old - Expired access tokens - Expired refresh tokens +- Dynamic clients unused for >90 days (configurable) ## OAuth2 Endpoints Overview -The OAuth2 server implements standard OAuth2 endpoints following RFC 6749: +The OAuth2 server implements standard OAuth2 endpoints following RFC 6749 and RFC 7591: ### Authorization Flow Endpoints @@ -147,6 +225,11 @@ The OAuth2 server implements standard OAuth2 endpoints following RFC 6749: - **Consent Endpoints** (`/api/oauth2/consent`) - Displays and processes user authorization consent - **Token Endpoint** (`/api/oauth2/token`) - Exchanges authorization codes for access tokens and handles token refresh - **User Info Endpoint** (`/api/oauth2/userinfo`) - Returns authenticated user information +- **Introspection Endpoint** (`/api/oauth2/introspect`) - Token validation for resource servers + +### Dynamic Client Registration Endpoints + +- **Registration Endpoint** (`/api/oauth2/register`) - RFC 7591 compliant client registration For complete API specifications including request parameters, response schemas, and examples, see the [Backend API Documentation](/development/backend/api). The API documentation provides OpenAPI specifications for all OAuth2 endpoints. @@ -154,7 +237,13 @@ For complete API specifications including request parameters, response schemas, ### Available Scopes -For the current list of supported scopes, see the source code at `services/backend/src/services/oauth/authorizationService.ts` in the `validateScope()` method. +**MCP Client Scopes:** +- `mcp:read` - Tool discovery and MCP server access +- `mcp:tools:execute` - Tool execution permissions +- `offline_access` - Refresh token issuance + +**CLI Tool Scopes:** +For the current list of CLI-supported scopes, see the source code at `services/backend/src/services/oauth/authorizationService.ts` in the `validateScope()` method. ### Scope Enforcement @@ -170,6 +259,38 @@ Scopes are enforced at the endpoint level: - Returns 403 for insufficient scope - Provides clear error messages +## Client Types and Configuration + +### Dynamic Clients (RFC 7591) + +**VS Code MCP Extension:** +- **Client ID**: Auto-generated (e.g., `dyn_1757880447836_uvze3d0yc`) +- **Registration**: Automatic via RFC 7591 +- **Redirect URIs**: `http://127.0.0.1:/`, `https://vscode.dev/redirect` +- **Scopes**: `mcp:read mcp:tools:execute offline_access` +- **Token Lifetime**: 1-week access, 30-day refresh + +**Cursor MCP Client:** +- **Client ID**: Auto-generated +- **Registration**: Automatic via RFC 7591 +- **Redirect URIs**: `cursor://` schemes +- **Scopes**: `mcp:read mcp:tools:execute offline_access` + +**Claude.ai MCP Client:** +- **Client ID**: Auto-generated +- **Registration**: Automatic via RFC 7591 +- **Redirect URIs**: `https://claude.ai/mcp/auth/callback` +- **Scopes**: `mcp:read mcp:tools:execute offline_access` + +### Adding New Static Clients + +To support additional pre-registered OAuth2 clients: + +1. Add client_id to validation whitelist in `AuthorizationService.validateClient()` +2. Configure allowed redirect URIs in `AuthorizationService.validateRedirectUri()` +3. Define client-specific settings +4. Update documentation + ## Dual Authentication ### Supporting Both Methods @@ -200,29 +321,6 @@ The system maintains context about authentication: - **Type Detection**: Check for `tokenPayload` presence - **Unified Interface**: Same user object structure -## Client Configuration - -### DeployStack Gateway CLI - -Pre-registered OAuth2 client: - -- **Client ID**: `deploystack-gateway-cli` -- **Client Type**: Public (no secret) -- **Redirect URIs**: - - `http://localhost:8976/oauth/callback` - - `http://127.0.0.1:8976/oauth/callback` -- **Required**: PKCE with SHA256 -- **Token Lifetime**: 1-hour access, 30-day refresh - -### Adding New Clients - -To support additional OAuth2 clients: - -1. Add client_id to validation whitelist -2. Configure allowed redirect URIs -3. Define client-specific settings -4. Update documentation - ## Security Implementation ### PKCE Security @@ -240,12 +338,13 @@ Multiple layers of token protection: - Constant-time comparison - Secure random generation - Automatic expiration -- Regular cleanup +- Regular cleanup (TODO: implement) ### Authorization Security Secure authorization flow: - CSRF protection via state parameter +- Proper URL encoding of state parameter - Session requirement for authorization - Validated redirect URIs - Clear consent interface @@ -258,8 +357,28 @@ API access security: - Scope-based access control - Automatic token refresh +### Dynamic Client Security + +RFC 7591 security measures: +- Redirect URI validation against MCP patterns +- Client metadata validation +- Automatic client ID generation +- Database persistence with proper indexing +- No client secrets for public clients + ## Integration Examples +### MCP Client Registration Flow + +Example dynamic client registration for MCP clients: + +1. **Client registration request** +2. **Server validates metadata** +3. **Client ID generated and stored** +4. **Client proceeds with OAuth flow** +5. **User authorizes in browser** +6. **Tokens issued for MCP access** + ### CLI Authentication Flow Example OAuth2 flow for CLI tools: @@ -293,14 +412,16 @@ Content-Type: application/json { "grant_type": "refresh_token", "refresh_token": "", - "client_id": "deploystack-gateway-cli" + "client_id": "dyn_1757880447836_uvze3d0yc" } ``` + ## Monitoring ### Metrics to Track (TODO) - Authorization requests +- Dynamic client registrations - Token issuance rate - Refresh token usage - Failed authentication attempts @@ -310,6 +431,7 @@ Content-Type: application/json Comprehensive logging for debugging: - Authorization flow steps +- Dynamic client registration events - Token operations - Scope validations - Error conditions @@ -317,20 +439,19 @@ Comprehensive logging for debugging: ## OAuth Scope Management -The backend validates OAuth scopes to control API access. Scope configuration must stay synchronized between the backend and gateway. +The backend validates OAuth scopes to control API access. Scope configuration must stay synchronized between the backend and clients. ### Current Scopes For the current list of supported scopes, check the source code at: - **Backend validation**: `services/backend/src/services/oauth/authorizationService.ts` in the `validateScope()` method -- **Gateway requests**: `services/gateway/src/utils/auth-config.ts` in the `scopes` array ### Adding New Scopes When adding support for a new OAuth scope in the backend: 1. **Add the scope** to the `allowedScopes` array in `services/backend/src/services/oauth/authorizationService.ts` -2. **Update the gateway** to request the new scope (see [Gateway OAuth Implementation](/development/gateway/oauth)) +2. **Update clients** to request the new scope (Gateway, MCP clients) 3. **Apply scope enforcement** to relevant API endpoints using middleware 4. **Test the complete flow** to ensure proper scope validation @@ -341,7 +462,8 @@ static validateScope(scope: string): boolean { const requestedScopes = scope.split(' '); const allowedScopes = [ 'mcp:read', - 'mcp:categories:read', + 'mcp:tools:execute', + 'offline_access', 'your-new-scope', // Add new scope here // ... other scopes ]; @@ -378,29 +500,58 @@ server.get('/api/another-endpoint', { ### Scope Synchronization -**Critical**: The backend and gateway must have matching scope configurations: -- If backend supports a scope but gateway doesn't request it, users won't get that permission -- If gateway requests a scope but backend doesn't support it, authentication will fail +**Critical**: The backend and clients must have matching scope configurations: +- If backend supports a scope but client doesn't request it, users won't get that permission +- If client requests a scope but backend doesn't support it, authentication will fail + +Always coordinate scope changes between backend and client implementations. + + +## MCP Client Integration -Always coordinate scope changes between both services. +The OAuth2 server supports MCP clients through dynamic registration: -## Gateway Integration +### Supported MCP Clients -The OAuth2 server integrates with the DeployStack Gateway: +- **VS Code MCP Extension** - Automatic registration and authentication +- **Cursor MCP Client** - Dynamic client registration support +- **Claude.ai Custom Connector** - OAuth2 integration +- **Cline MCP Client** - VS Code extension support + +### MCP Client Flow + +1. **Dynamic Registration** - Client registers via RFC 7591 +2. **OAuth Authorization** - User authorizes in browser +3. **Token Issuance** - Long-lived tokens for MCP access +4. **MCP Communication** - Bearer tokens for satellite access + +## Implementation Status + +### Completed Features + +- RFC 6749 OAuth2 Authorization Server +- RFC 7591 Dynamic Client Registration +- PKCE support for public clients +- Database-backed client and token storage +- Team-scoped authorization +- MCP client support (VS Code, Cursor, Claude.ai) +- Dual authentication (cookies + Bearer tokens) +- Scope-based access control +- Token introspection endpoint +- State parameter URL encoding fix -### Gateway OAuth Client +### TODO Items -See [Gateway OAuth Implementation](/development/gateway/oauth) for: -- Client-side PKCE generation -- Browser integration -- Callback server -- Token storage -- Automatic refresh +- **OAuthCleanupService Implementation** - Automated cleanup of expired tokens and clients +- **Comprehensive Logging** - Enhanced logging for monitoring and debugging +- **Metrics Collection** - Performance and usage metrics +- **Rate Limiting** - Protection against abuse +- **Client Management UI** - Admin interface for client management ## Related Documentation - [Backend Authentication System](/development/backend/auth) - Core authentication -- [Gateway OAuth Implementation](/development/gateway/oauth) - Client-side OAuth +- [Satellite OAuth Authentication](/development/satellite/oauth-authentication) - MCP client authentication - [Security Policy](/development/backend/security) - Security details - [API Documentation](/development/backend/api) - API reference -- [OAuth Provider Implementation](/development/backend/oauth-providers) - Third-party OAuth login setup +- [OAuth Provider Implementation](/development/backend/oauth-providers) - Third-party OAuth login setup \ No newline at end of file diff --git a/docs/development/backend/plugins.mdx b/docs/development/backend/plugins.mdx index 63851e4..5f5e928 100644 --- a/docs/development/backend/plugins.mdx +++ b/docs/development/backend/plugins.mdx @@ -444,7 +444,7 @@ class MyPlugin implements Plugin { } ``` -For complete event documentation, see the [Global Event Bus](./events) guide. +For complete event documentation, see the [Global Event Bus](/development/backend/events) guide. ### Access to Core Services diff --git a/docs/development/backend/satellite-communication.mdx b/docs/development/backend/satellite-communication.mdx new file mode 100644 index 0000000..e17f7cd --- /dev/null +++ b/docs/development/backend/satellite-communication.mdx @@ -0,0 +1,486 @@ +--- +title: Satellite Communication +description: Backend API endpoints for satellite registration, command orchestration, and configuration management with team-aware MCP server distribution. +--- + +# Satellite Communication + +The DeployStack backend implements satellite management APIs that handle registration, command orchestration, and configuration distribution. The system supports both global satellites (serving all teams) and team satellites (serving specific teams) through a polling-based communication architecture. + +## Implementation Status + +**Current Status**: Fully implemented and operational + +The satellite communication system includes: + +- **Satellite Registration**: Working registration endpoint with API key generation +- **Command Orchestration**: Complete command polling and result reporting endpoints +- **Configuration Management**: Team-aware MCP server configuration distribution +- **Status Monitoring**: Heartbeat collection with automatic satellite activation +- **Authentication**: Argon2-based API key validation middleware + +### MCP Server Distribution Architecture + +**Global Satellite Model**: Currently implemented approach where global satellites serve all teams with process isolation. + +**Team-Aware Configuration Distribution**: +- Global satellites receive ALL team MCP server installations +- Each team installation becomes a separate process with unique identifier +- Process ID format: `{server_slug}-{team_slug}-{installation_id}` +- Team-specific configurations (args, environment, headers) merged per installation + +**Configuration Merging Process**: +1. Template-level configuration (from MCP server definition) +2. Team-level configuration (from team installation) +3. User-level configuration (from user preferences) +4. Final merged configuration sent to satellite + +**Multi-Transport Support**: +- `stdio` transport: Command and arguments for subprocess execution +- `http` transport: URL and headers for HTTP proxy +- `sse` transport: URL and headers for Server-Sent Events + +### Satellite Lifecycle Management + +**Registration Process**: +- Satellites register with backend and receive API keys +- Initial status set to 'inactive' for security +- API keys stored as Argon2 hashes in database + +**Activation Process**: +- Satellites send heartbeat after registration +- Backend automatically sets status to 'active' on first heartbeat +- Active satellites begin receiving actual commands + +**Command Processing**: +- Inactive satellites receive empty command arrays (no 403 errors) +- Active satellites receive pending commands based on priority +- Command results reported back to backend for status tracking + +## Architecture Pattern + +### Polling-Based Communication + +Satellites use **outbound-only HTTPS polling** to communicate with the backend, making them compatible with restrictive corporate firewalls: + +``` +┌─────────────────┐ Outbound HTTPS ┌─────────────────┐ +│ Satellite │ ───────────────────► │ DeployStack │ +│ (Edge) │ │ Backend │ +│ │ ◄─────────────────── │ (Cloud) │ +└─────────────────┘ Command Response └─────────────────┘ +``` + +### Dual Deployment Models + +**Global Satellites**: Cloud-hosted by DeployStack team +- Serve all teams with resource isolation +- Managed through global satellite management endpoints + +**Team Satellites**: Customer-deployed within corporate networks +- Serve specific teams exclusively +- Managed through team-scoped satellite management endpoints + +## Satellite Pairing Process + +### Registration Token Flow + +The satellite pairing process follows a secure two-phase approach: + +**Phase 1: Token Generation** +- Administrators generate temporary registration tokens +- Global tokens for global satellites (global_admin only) +- Team tokens for team satellites (team_admin for specific teams) +- Tokens have scope-specific prefixes and expiration times + +**Phase 2: Satellite Registration** +- Satellites use registration tokens to authenticate initial pairing +- Backend validates token scope and expiration +- Permanent API keys issued after successful registration +- Registration tokens marked as used (single-use security) + +### Token Security Model + +**Registration Token Prefixes**: +- Global satellites: `deploystack_satellite_global_...` +- Team satellites: `deploystack_satellite_team_...` + +**Token Characteristics**: +- JWT-based with cryptographic signatures +- Short expiration times (1 hour global, 24 hours team) +- Single-use to prevent replay attacks +- Audit trail for compliance + +**Operational API Keys**: +- Permanent keys for ongoing satellite communication +- Scope-specific prefixes for security validation +- Argon2 hashed storage in database +- Support for key rotation and revocation + +## Command Orchestration + +### Command Queue Architecture + +The backend maintains a priority-based command queue system: + +**Command Types**: +- `spawn`: Start new MCP server process +- `kill`: Terminate MCP server process +- `restart`: Restart existing MCP server +- `configure`: Update MCP server configuration +- `health_check`: Request process health status + +**Priority Levels**: +- `immediate`: High-priority commands requiring instant execution +- `high`: Important commands processed within minutes +- `normal`: Standard commands processed during regular polling +- `low`: Background maintenance commands + +### Adaptive Polling Strategy + +Satellites adjust polling behavior based on backend signals: + +**Polling Modes**: +- **Immediate Mode**: 2-second intervals for urgent commands +- **Normal Mode**: 30-second intervals for standard operations +- **Backoff Mode**: Exponential backoff during errors or low activity + +**Optimization Features**: +- Conditional polling based on last poll timestamp +- Command batching to reduce API calls +- Cache headers for efficient bandwidth usage +- Circuit breaker patterns for error recovery + +### Command Lifecycle + +**Command Flow**: +1. User action triggers command creation in backend +2. Command added to priority queue with team context +3. Satellite polls and retrieves pending commands +4. Satellite executes command with team isolation +5. Satellite reports execution results back to backend +6. Backend updates command status and notifies user interface + +**Team Context Integration**: +- All commands include team scope information +- Team satellites only receive commands for their team +- Global satellites process commands with team isolation +- Audit trail with team attribution + +## Status Monitoring + +### Heartbeat System + +Satellites report health and performance metrics: + +**System Metrics**: +- CPU usage percentage and memory consumption +- Disk usage and network connectivity status +- Process count and resource utilization +- Uptime and stability indicators + +**Process Metrics**: +- Individual MCP server process status +- Health indicators (healthy/unhealthy/unknown) +- Performance metrics (request count, response times) +- Resource consumption per process + +### Real-Time Status Tracking + +The backend provides real-time satellite status information: + +**Satellite Health Monitoring**: +- Connection status and last heartbeat timestamps +- System resource usage trends +- Process health aggregation +- Alert generation for issues + +**Performance Analytics**: +- Historical performance data collection +- Usage pattern analysis for capacity planning +- Team-specific metrics and reporting +- Audit trail generation + +## Configuration Management + +### Dynamic Configuration Updates + +Satellites retrieve configuration updates without requiring restarts: + +**Configuration Categories**: +- **Polling Settings**: Interval configuration and optimization parameters +- **Resource Limits**: CPU, memory, and process count restrictions +- **Team Settings**: Team-specific policies and allowed MCP servers +- **Security Policies**: Access control and compliance requirements + +**Configuration Distribution**: +- Push-based updates through command queue +- Pull-based configuration refresh during polling +- Version-controlled configuration management +- Rollback capabilities for configuration errors + +### Team-Aware Configuration + +Configuration respects team boundaries and isolation: + +**Global Satellite Configuration**: +- Platform-wide settings and resource allocation +- Multi-tenant isolation policies +- Global resource limits and quotas +- Cross-team security boundaries + +**Team Satellite Configuration**: +- Team-specific MCP server configurations +- Custom resource limits per team +- Team-defined security policies +- Internal resource access settings + +## Database Schema Integration + +### Core Table Structure + +The satellite system integrates with existing DeployStack schema through 5 specialized tables. For detailed schema definitions, see [`services/backend/src/db/schema.sqlite.ts`](https://github.com/deploystackio/deploystack/blob/main/services/backend/src/db/schema.sqlite.ts). + +**Satellite Registry** (`satellites`): +- Central registration of all satellites +- Type classification (global/team) and ownership +- Capability tracking and status monitoring +- API key management and authentication + +**Command Queue** (`satelliteCommands`): +- Priority-based command orchestration +- Team context and correlation tracking +- Expiration and retry management +- Command lifecycle tracking + +**Process Tracking** (`satelliteProcesses`): +- Real-time MCP server process monitoring +- Health status and performance metrics +- Team isolation and resource usage +- Integration with existing MCP configuration system + +**Usage Analytics** (`satelliteUsageLogs`): +- Audit trail for compliance +- User attribution and team tracking +- Performance analytics and billing data +- Device tracking for enterprise security + +**Health Monitoring** (`satelliteHeartbeats`): +- System metrics and resource monitoring +- Process health aggregation +- Alert generation and notification triggers +- Historical health trend analysis + +### Team Isolation in Data Model + +All satellite data respects team boundaries: + +**Team-Scoped Data**: +- Team satellites linked to specific teams +- Process isolation per team context +- Usage logs with team attribution +- Configuration scoped to team access + +**Global Data with Team Context**: +- Global satellites serve all teams with isolation +- Cross-team usage tracking and analytics +- Team-aware resource allocation +- Compliance reporting per team + +## Authentication & Security + +### Multi-Layer Security Model + +**Registration Security**: +- Temporary JWT tokens for initial pairing +- Scope validation preventing privilege escalation +- Single-use tokens with automatic expiration +- Audit trail for security compliance + +**Operational Security**: +- Permanent API keys for ongoing communication +- Request authentication and authorization +- Rate limiting and abuse prevention +- IP whitelisting support for team satellites + +**Team Isolation Security**: +- Team boundary enforcement +- Resource isolation and access control +- Cross-team data leakage prevention +- Compliance with enterprise security policies + +### Role-Based Access Control Integration + +The satellite system integrates with DeployStack's existing role framework: + +**global_admin**: +- Satellite system oversight +- Global satellite registration and management +- Cross-team analytics and monitoring +- System-wide configuration control + +**team_admin**: +- Team satellite registration and management +- Team-scoped MCP server installation +- Team resource monitoring and configuration +- Team member access control + +**team_user**: +- Satellite-hosted MCP server usage +- Team satellite status visibility +- Personal usage analytics access + +**global_user**: +- Team satellite registration within memberships +- Cross-team satellite usage through teams +- Limited administrative capabilities + +## Integration Points + +### Existing DeployStack Systems + +**User Management Integration**: +- Leverages existing authentication and session management +- Integrates with current permission and role systems +- Uses established user and team membership APIs +- Maintains consistency with platform security model + +**MCP Configuration Integration**: +- Builds on existing MCP server installation system +- Extends current team-based configuration management +- Integrates with established credential management +- Maintains compatibility with existing MCP workflows + +**Monitoring Integration**: +- Uses existing structured logging infrastructure +- Integrates with current metrics collection system +- Leverages established alerting and notification systems +- Maintains consistency with platform observability + +## Development Implementation + +### Route Structure + +Satellite communication endpoints are organized in `services/backend/src/routes/satellites/`: + +``` +satellites/ +├── index.ts # Route registration +├── register.ts # Satellite registration endpoint +├── commands.ts # Command polling and result reporting +├── config.ts # Configuration distribution +├── heartbeat.ts # Health monitoring and status updates +└── manage/ # Management endpoints for frontend + ├── list.ts # Satellite listing + └── status.ts # Satellite status queries +``` + +### Authentication Middleware + +Satellite authentication uses dedicated middleware in `services/backend/src/middleware/satelliteAuthMiddleware.ts`: + +**Key Features**: +- Argon2 hash verification for API key validation +- Satellite context injection for route handlers +- Dual authentication support (user cookies + satellite API keys) +- Comprehensive error handling and logging + +**Usage Pattern**: +```typescript +import { requireSatelliteAuth } from '../../middleware/satelliteAuthMiddleware'; + +server.get('/satellites/:satelliteId/commands', { + preValidation: [requireSatelliteAuth()], + // Route implementation +}); +``` + +### Database Integration + +The satellite system extends the existing database schema with 5 specialized tables: + +**Schema Location**: `services/backend/src/db/schema.sqlite.ts` + +**Table Relationships**: +- `satellites` table links to existing `teams` and `authUser` tables +- `satelliteProcesses` table references `mcpServerInstallations` for team context +- `satelliteCommands` table includes team context for command execution +- All tables use existing foreign key relationships for data integrity + +### Configuration Query Implementation + +The configuration endpoint implements complex queries to merge team-specific MCP server configurations: + +**Query Strategy**: +- Join `mcpServerInstallations`, `mcpServers`, and `teams` tables +- Global satellites: Query ALL team installations +- Team satellites: Query only specific team installations +- JSON field parsing with comprehensive error handling + +**Configuration Merging Logic**: +```typescript +// Parse template and team configurations +const templateArgs = JSON.parse(installation.template_args || '[]'); +const teamArgs = JSON.parse(installation.team_args || '[]'); +const templateEnv = JSON.parse(installation.template_env || '{}'); +const teamEnv = JSON.parse(installation.team_env || '{}'); + +// Merge configurations with team overrides +const finalArgs = [...templateArgs, ...teamArgs]; +const finalEnv = { ...templateEnv, ...teamEnv }; +``` + +### Error Handling Patterns + +**Graceful Degradation**: +- Inactive satellites receive empty command arrays instead of 403 errors +- Invalid JSON configurations are skipped with warning logs +- Failed satellite authentication returns 401 with structured error messages + +**Comprehensive Logging**: +- Structured logging with operation identifiers +- Error context preservation for debugging +- Performance metrics collection (response times, success rates) + +### Development Workflow + +**Local Development Setup**: +```bash +# Backend setup +cd services/backend +npm install +npm run dev # Starts on http://localhost:3000 + +# Satellite setup (separate terminal) +cd services/satellite +npm install +npm run dev # Starts on http://localhost:3001 +``` + +**Testing Satellite Communication**: +1. Start backend server +2. Start satellite (automatically registers) +3. Monitor logs for successful polling and configuration retrieval +4. Use database tools to inspect satellite tables and command queue + +**Database Inspection**: +```bash +# View registered satellites +sqlite3 services/backend/persistent_data/database/deploystack.db +> SELECT id, name, satellite_type, status FROM satellites; + +# View MCP server installations +> SELECT installation_name, team_id FROM mcpServerInstallations; +``` + +## API Documentation + +For detailed API endpoints, request/response formats, and authentication patterns, see the [API Specification](/development/backend/api) generated from the backend OpenAPI schema. + +## Related Documentation + +For detailed satellite architecture and implementation: + +- [API Security](/development/backend/api-security) - Security patterns and authorization +- [Database Management](/development/backend/database) - Schema and data management +- [OAuth2 Server](/development/backend/oauth2-server) - OAuth2 implementation details diff --git a/docs/development/index.mdx b/docs/development/index.mdx index aa4e461..3d8111a 100644 --- a/docs/development/index.mdx +++ b/docs/development/index.mdx @@ -1,25 +1,25 @@ --- title: Development Guide -description: Complete development documentation for DeployStack - covering frontend, backend, and contribution guidelines for the MCP server management platform. +description: Complete development documentation for DeployStack - the first MCP-as-a-Service platform with satellite infrastructure and cloud control plane. icon: FileCode --- import { Card, Cards } from 'fumadocs-ui/components/card'; -import { Code2, Server, GitBranch, Users, Shield } from 'lucide-react'; +import { Code2, Server, Cloud, Users } from 'lucide-react'; # DeployStack Development -Welcome to the DeployStack development documentation! DeployStack is a comprehensive enterprise platform for managing Model Context Protocol (MCP) servers, featuring a cloud control plane, local gateway proxy, and modern web interface for team-based MCP server orchestration. +Welcome to the DeployStack development documentation! DeployStack eliminates MCP adoption friction by transforming complex installations into simple URL configurations through managed satellite infrastructure. ## Architecture Overview -DeployStack implements a sophisticated Control Plane / Data Plane architecture for enterprise MCP server management: +DeployStack implements an MCP-as-a-Service architecture that eliminates installation friction: -- **Frontend**: Vue 3 + TypeScript web application providing the management interface for MCP server configurations -- **Backend**: Fastify-based cloud control plane handling authentication, team management, and configuration distribution -- **Gateway**: Local secure proxy that runs on developer machines, managing MCP server processes and credential injection +- **Frontend**: Vue 3 + TypeScript web application (cloud.deploystack.io) for team management and configuration +- **Backend**: Fastify-based cloud control plane handling authentication, teams, and satellite coordination +- **Satellite Infrastructure**: Managed MCP servers accessible via HTTPS URLs - no installation required - **Shared**: Common utilities and TypeScript types used across all services -- **Dual Transport**: Supports both stdio (CLI tools) and SSE (VS Code) protocols for maximum compatibility +- **Dual Deployment**: Global satellites (DeployStack-managed) and team satellites (customer-deployed) ## Development Areas @@ -29,7 +29,7 @@ DeployStack implements a sophisticated Control Plane / Data Plane architecture f href="/development/frontend" title="Frontend Development" > - Vue 3 web application with TypeScript, Vite, and shadcn-vue components. Direct fetch API patterns, SFC components, and internationalization. + Vue 3 web application with TypeScript, Vite, and shadcn-vue components. Team management interface for satellite configuration and usage analytics. - Fastify cloud control plane with Drizzle ORM, plugin architecture, role-based access control, and OpenAPI documentation generation. + Fastify cloud control plane with Drizzle ORM, JWT authentication, team management, and satellite coordination APIs. } - href="/development/gateway" - title="Gateway Development" + icon={} + href="/development/satellite" + title="Satellite Development" > - Local secure proxy managing MCP server processes, credential injection, dual transport protocols (stdio/SSE), and team-based access control. + MCP-as-a-Service infrastructure with global satellites, team satellites, zero-installation access, and enterprise-grade security. @@ -56,7 +56,7 @@ DeployStack implements a sophisticated Control Plane / Data Plane architecture f - Node.js 18 or higher - npm 8 or higher - Git for version control -- DeployStack account at [cloud.deploystack.io](https://cloud.deploystack.io) (for gateway development) +- DeployStack account at [cloud.deploystack.io](https://cloud.deploystack.io) (for satellite testing) ### Quick Setup @@ -68,7 +68,7 @@ cd deploystack # Install dependencies for all services cd services/frontend && npm install cd ../backend && npm install -cd ../gateway && npm install +cd ../satellite && npm install # Start development servers (in separate terminals) # Terminal 1 - Backend @@ -77,16 +77,16 @@ cd services/backend && npm run dev # http://localhost:3000 # Terminal 2 - Frontend cd services/frontend && npm run dev # http://localhost:5173 -# Terminal 3 - Gateway (optional, for local MCP testing) -cd services/gateway && npm run dev # http://localhost:9095 +# Terminal 3 - Satellite (for local satellite testing) +cd services/satellite && npm run dev # http://localhost:9095 ``` ## Development Workflow -1. **Choose Your Service**: Select frontend, backend, or gateway based on your contribution area +1. **Choose Your Service**: Select frontend, backend, or satellite based on your contribution area 2. **Set Up Environment**: Follow the specific setup guides for your chosen service -3. **Understand Architecture**: Review how services interact (Frontend ↔ Backend ↔ Gateway) -4. **Make Changes**: Implement features following established patterns (Vue SFC for frontend, plugins for backend, process management for gateway) +3. **Understand Architecture**: Review how services interact (Frontend ↔ Backend ↔ Satellite) +4. **Make Changes**: Implement features following established patterns (Vue SFC for frontend, plugins for backend, managed services for satellite) 5. **Test**: Run comprehensive test suites for your service 6. **Submit**: Create pull requests following our contribution guidelines @@ -103,7 +103,7 @@ deploystack/ │ │ ├── src/ │ │ ├── plugins/ │ │ └── package.json -│ ├── gateway/ # API Gateway service +│ ├── satellite/ # Satellite edge worker (like GitHub Actions runner) │ │ ├── src/ │ │ ├── config/ │ │ └── package.json @@ -131,24 +131,23 @@ deploystack/ - **Plugin System** with isolated routes (`/api/plugin//`) - **Role-Based Access Control** with session management -### Gateway Stack -- **Node.js** process management runtime -- **Dual Transport** stdio for CLI tools, SSE for VS Code -- **Secure Credential Injection** without developer exposure -- **Process Manager** for persistent MCP server processes -- **Session Management** with cryptographic security -- **Team-Based Caching** for instant startup and tool discovery +### Satellite Stack +- **Node.js** edge worker runtime (like GitHub Actions runner) +- **HTTP Proxy + stdio Communication** for dual MCP server deployment (external HTTP endpoints and local subprocesses) +- **OAuth 2.1 Resource Server** with Backend token introspection +- **Team Isolation** using Linux namespaces, cgroups, and resource jailing +- **Dual Deployment Model** global satellites (DeployStack-managed) and team satellites (customer-deployed) +- **Process Management** with automatic cleanup, selective restart, and lifecycle management ## Development Philosophy -### Enterprise MCP Management -DeployStack provides enterprise-grade MCP server orchestration through: +### MCP-as-a-Service Platform +DeployStack provides managed MCP infrastructure through: -- **Control Plane Architecture**: Cloud-based configuration management with local gateway execution -- **Security-First Design**: Credential injection without exposure, team-based access control -- **Universal Compatibility**: Supports MCP servers in any language (Node.js, Python, Go, Rust) -- **Developer Experience**: Seamless integration with VS Code, CLI tools, and development workflows -- **Process Persistence**: MCP servers run as managed background services with automatic lifecycle management +- **Zero Installation Friction**: Transform complex MCP setup into simple URL configuration +- **Managed Satellite Infrastructure**: Global satellites and enterprise team satellites +- **Enterprise Progression**: Freemium satellites → paid tiers → team satellites +- **Universal Compatibility**: Supports MCP servers in any language via managed infrastructure ### Code Quality - **Type Safety**: TypeScript throughout the stack @@ -160,12 +159,12 @@ DeployStack provides enterprise-grade MCP server orchestration through: We welcome contributions to DeployStack! Key areas include: -- **Frontend**: Vue components, UI/UX improvements, new management features -- **Backend**: API endpoints, plugin development, database optimizations -- **Gateway**: Process management, transport protocols, credential handling +- **Frontend**: Vue components, UI/UX improvements, satellite management features +- **Backend**: API endpoints, satellite coordination, JWT authentication +- **Satellite**: Managed infrastructure, team isolation, deployment patterns - **Documentation**: Guides, examples, API documentation -- **MCP Servers**: Support for new MCP server types and configurations -- **Security**: Enhanced credential management, access control improvements +- **MCP Servers**: New satellite-hosted MCP server integrations +- **Security**: Enhanced team isolation, enterprise deployment features ## Community diff --git a/docs/development/satellite/architecture.mdx b/docs/development/satellite/architecture.mdx new file mode 100644 index 0000000..fc07643 --- /dev/null +++ b/docs/development/satellite/architecture.mdx @@ -0,0 +1,477 @@ +--- +title: Satellite Architecture Design +description: Complete architectural overview of DeployStack Satellite - from current MCP transport implementation to full enterprise MCP management platform. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# DeployStack Satellite Architecture + +DeployStack Satellite is an edge worker service that manages MCP servers with dual deployment support: HTTP proxy for external endpoints and stdio subprocess for local MCP servers. This document covers both the current MCP transport implementation and the planned full architecture. + +## Technical Overview + +### Edge Worker Pattern + +Satellites operate as edge workers similar to GitHub Actions runners, providing: + +- **MCP Transport Protocols**: SSE, Streamable HTTP, Direct HTTP communication +- **Dual MCP Server Management**: HTTP proxy + stdio subprocess support (planned) +- **Team Isolation**: Linux namespaces, cgroups v2, resource jailing (planned) +- **OAuth 2.1 Resource Server**: Token introspection with Backend (planned) +- **Backend Polling Communication**: Outbound-only, firewall-friendly (implemented) +- **Process Lifecycle Management**: Spawn, monitor, terminate MCP servers (planned) + +## Current Implementation Architecture + +### Phase 1: MCP Transport Layer (Implemented) + +The current satellite implementation provides complete MCP client interface support: + +``` +┌─────────────────────────────────────────────────────────────────────────────────┐ +│ MCP Transport Implementation │ +│ │ +│ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐ │ +│ │ SSE Transport │ │ SSE Messaging │ │ Streamable HTTP │ │ +│ │ │ │ │ │ │ │ +│ │ • GET /sse │ │ • POST /message │ │ • GET/POST /mcp │ │ +│ │ • Session Mgmt │ │ • JSON-RPC 2.0 │ │ • Optional SSE │ │ +│ │ • 30min timeout │ │ • Session-based │ │ • CORS Support │ │ +│ └─────────────────┘ └─────────────────┘ └─────────────────┘ │ +│ │ +│ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐ │ +│ │ Session Manager │ │ SSE Handler │ │ Streamable HTTP │ │ +│ │ │ │ │ │ Handler │ │ +│ │ • 32-byte IDs │ │ • Connection │ │ • Dual Response │ │ +│ │ • Activity │ │ Management │ │ • Session Aware │ │ +│ │ • Auto Cleanup │ │ • Message Send │ │ • Error Handle │ │ +│ └─────────────────┘ └─────────────────┘ └─────────────────┘ │ +│ │ +│ ┌─────────────────────────────────────────────────────────────────────────┐ │ +│ │ Foundation Infrastructure │ │ +│ │ │ │ +│ │ • Fastify HTTP Server with JSON Schema validation │ │ +│ │ • Pino structured logging with operation tracking │ │ +│ │ • TypeScript + Webpack build system │ │ +│ │ • Environment configuration with .env support │ │ +│ └─────────────────────────────────────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────────────────────────────────────┘ +``` + +### Current MCP Transport Endpoints + +**Implemented Endpoints:** +- `GET /sse` - Establish SSE connection with session management +- `POST /message?session={id}` - Send JSON-RPC messages via SSE sessions +- `GET /mcp` - Establish SSE stream for Streamable HTTP transport +- `POST /mcp` - Send JSON-RPC messages via Streamable HTTP +- `OPTIONS /mcp` - CORS preflight handling + +**Transport Protocol Support:** +``` +MCP Client Satellite + │ │ + │──── GET /sse ─────────────▶│ (Establish SSE session) + │ │ + │◀─── Session URL ──────────│ (Return session endpoint) + │ │ + │──── POST /message ────────▶│ (Send JSON-RPC via session) + │ │ + │◀─── Response via SSE ─────│ (Stream response back) +``` + +### Core Components (Implemented) + +**Session Manager:** +- Cryptographically secure 32-byte base64url session IDs +- 30-minute session timeout with automatic cleanup +- Activity tracking and session state management +- Client info storage and MCP initialization tracking + +**SSE Handler:** +- Server-Sent Events connection establishment +- Message sending with error handling +- Heartbeat and endpoint event management +- Connection lifecycle management + +**Streamable HTTP Handler:** +- Dual response mode (JSON and SSE streaming) +- Optional session-based communication +- CORS preflight handling +- Error counting and session management + +### JSON-RPC 2.0 Protocol Implementation + +**Supported MCP Methods:** +- `initialize` - MCP session initialization +- `notifications/initialized` - Client initialization complete +- `tools/list` - List available tools from remote MCP servers +- `tools/call` - Execute tools on remote MCP servers +- `resources/list` - List available resources (returns empty array) +- `resources/templates/list` - List resource templates (returns empty array) +- `prompts/list` - List available prompts (returns empty array) + +For detailed information about tool discovery and execution, see [Tool Discovery Implementation](/development/satellite/tool-discovery). + +**Error Handling:** +- JSON-RPC 2.0 compliant error responses +- HTTP status code mapping +- Structured error logging +- Session validation and error reporting + +## Planned Full Architecture + +### Three-Tier System Design + +``` +┌─────────────────────────────────────────────────────────────────────────────────┐ +│ MCP Client Layer │ +│ (VS Code, Claude, etc.) │ +│ │ +│ Connects via: SSE, Streamable HTTP, Direct HTTP Tools │ +└─────────────────────────────────────────────────────────────────────────────────┘ + │ + ▼ +┌─────────────────────────────────────────────────────────────────────────────────┐ +│ Satellite Layer │ +│ (Edge Processing) │ +│ │ +│ ┌─────────────────────────────────────────┐ │ +│ │ Global Satellite │ │ +│ │ (Operated by DeployStack Team) │ │ +│ │ (Serves All Teams) │ │ +│ └─────────────────────────────────────────┘ │ +│ │ +│ ┌─────────────────────────────────────────┐ │ +│ │ Team Satellite │ │ +│ │ (Customer-Deployed) │ │ +│ │ (Serves Single Team) │ │ +│ └─────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────────────────────────────────────┘ + │ + ▼ +┌─────────────────────────────────────────────────────────────────────────────────┐ +│ Backend Layer │ +│ (Central Management) │ +│ │ +│ ┌─────────────────────────────────────────────────────────────────────────┐ │ +│ │ DeployStack Backend │ │ +│ │ (cloud.deploystack.io) │ │ +│ │ │ │ +│ │ • Command orchestration • Configuration management │ │ +│ │ • Status monitoring • Team & role management │ │ +│ │ • Usage analytics • Security & compliance │ │ +│ └─────────────────────────────────────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────────────────────────────────────┘ +``` + +### Satellite Internal Architecture (Planned) + +Each satellite instance will contain five core components: + +``` +┌─────────────────────────────────────────────────────────────────┐ +│ Satellite Instance │ +│ │ +│ ┌─────────────────┐ ┌─────────────────┐ │ +│ │ HTTP Proxy │ │ MCP Server │ │ +│ │ Router │ │ Manager │ │ +│ │ │ │ │ │ +│ │ • Team-aware │ │ • Process │ │ +│ │ • OAuth 2.1 │ │ Lifecycle │ │ +│ │ • Load Balance │ │ • stdio Comm │ │ +│ └─────────────────┘ └─────────────────┘ │ +│ │ +│ ┌─────────────────┐ ┌─────────────────┐ │ +│ │ Team Resource │ │ Backend │ │ +│ │ Manager │ │ Communicator │ │ +│ │ │ │ │ │ +│ │ • Namespaces │ │ • HTTP Polling │ │ +│ │ • cgroups │ │ • Config Sync │ │ +│ │ • Isolation │ │ • Status Report │ │ +│ └─────────────────┘ └─────────────────┘ │ +│ │ +│ ┌─────────────────────────────────────────┐ │ +│ │ Communication Manager │ │ +│ │ │ │ +│ │ • JSON-RPC stdio • HTTP Proxy │ │ +│ │ • Process IPC • Client Routing │ │ +│ └─────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────────────────────┘ +``` + +## Deployment Models + +### Global Satellites + +**Operated by DeployStack Team:** +- **Infrastructure**: Cloud-hosted (AWS, GCP, Azure) +- **Scope**: Serve all teams with resource isolation +- **Scaling**: Auto-scaling based on demand +- **Management**: Centralized by DeployStack operations +- **Use Case**: Teams wanting shared infrastructure + +**Architecture Benefits:** +- **Zero Installation**: URL-based configuration +- **Instant Availability**: No setup or deployment required +- **Automatic Updates**: Invisible to users +- **Global Scale**: Multi-region deployment + +### Team Satellites + +**Customer-Deployed:** +- **Infrastructure**: Customer's corporate networks +- **Scope**: Single team exclusive access +- **Scaling**: Customer-controlled resources +- **Management**: Team administrators +- **Use Case**: Internal resource access, compliance requirements + +**Architecture Benefits:** +- **Internal Access**: Company databases, APIs, file systems +- **Data Sovereignty**: Data never leaves corporate network +- **Complete Control**: Customer owns infrastructure +- **Compliance Ready**: Meets enterprise security requirements + +## Communication Patterns + +### Client-to-Satellite Communication (Implemented) + +**Multiple Transport Protocols:** +- **SSE (Server-Sent Events)**: Real-time streaming with session management +- **Streamable HTTP**: Chunked responses with optional sessions +- **Direct HTTP Tools**: Standard REST API calls + +**Current Implementation:** +``` +MCP Client Satellite + │ │ + │──── GET /sse ─────────────▶│ (Establish SSE connection) + │ │ + │◀─── event: endpoint ──────│ (Session URL + heartbeat) + │ │ + │──── POST /message ────────▶│ (JSON-RPC via session) + │ │ + │◀─── Response via SSE ─────│ (Stream JSON-RPC response) +``` + +**Session Management:** +- **Session ID**: 32-byte cryptographically secure identifier +- **Timeout**: 30-minute automatic cleanup +- **Activity Tracking**: Updated on each message +- **State Management**: Client info and initialization status + +### Satellite-to-Backend Communication (Implemented) + +**HTTP Polling Pattern:** +``` +Satellite Backend + │ │ + │──── GET /api/satellites/{id}/commands ──▶│ (Poll for commands) + │ │ + │◀─── Commands Response ────│ (Configuration, tasks) + │ │ + │──── POST /api/satellites/{id}/heartbeat ─▶│ (Report status, metrics) + │ │ + │◀─── Acknowledgment ───────│ (Confirm receipt) +``` + +**Communication Features:** +- **Outbound Only**: Firewall-friendly +- **Priority-Based Polling**: Four modes (immediate/high/normal/slow) with automatic transitions +- **Command Queue**: Priority-based task processing with expiration and correlation IDs +- **Status Reporting**: Real-time health and metrics every 30 seconds +- **Configuration Sync**: Dynamic MCP server configuration updates +- **Error Recovery**: Exponential backoff with maximum 5-minute intervals +- **3-Second Response Time**: Immediate priority commands enable near real-time responses + +For complete implementation details, see [Backend Polling Implementation](/development/satellite/polling). + +## Security Architecture + +### Current Security (No Authentication) + +**Session-Based Isolation:** +- **Cryptographic Session IDs**: 32-byte secure identifiers +- **Session Timeout**: 30-minute automatic cleanup +- **Activity Tracking**: Prevents session hijacking +- **Error Handling**: Secure error responses + +### Planned Security Features + +**Team Isolation:** +- **Linux Namespaces**: PID, network, filesystem isolation +- **Process Groups**: Separate process trees per team +- **User Isolation**: Dedicated system users per team + +**Resource Management:** +- **cgroups v2**: CPU and memory limits +- **Resource Quotas**: 0.1 CPU cores, 100MB RAM per process +- **Automatic Cleanup**: 5-minute idle timeout + +**Authentication & Authorization:** +- **OAuth 2.1 Resource Server**: Backend token validation +- **Scope-Based Access**: Fine-grained permissions +- **Team Context**: Automatic team resolution from tokens + +## MCP Server Management (Planned) + +### Dual MCP Server Support + +**stdio Subprocess Servers:** +- **Local Execution**: MCP servers as child processes +- **JSON-RPC Communication**: Standard MCP protocol +- **Process Lifecycle**: Spawn, monitor, terminate +- **Team Isolation**: Processes isolated per team + +**HTTP Proxy Servers:** +- **External Endpoints**: Proxy to remote MCP servers +- **Load Balancing**: Distribute requests across instances +- **Health Monitoring**: Endpoint availability checks +- **Caching**: Response caching for performance + +### Process Management + +**Lifecycle Operations:** +``` +Configuration → Spawn → Monitor → Health Check → Restart/Terminate + │ │ │ │ │ + │ │ │ │ │ + Backend Child Metrics Failure Cleanup + Command Process Collection Detection Resources +``` + +**Health Monitoring:** +- **Process Health**: CPU, memory, responsiveness +- **MCP Protocol**: Tool availability, response times +- **Automatic Recovery**: Restart failed processes +- **Resource Limits**: Enforce team quotas + +## Development Roadmap + +### Phase 1: MCP Transport Implementation ✅ COMPLETED +- **SSE Transport**: Server-Sent Events with session management +- **SSE Messaging**: JSON-RPC message sending via sessions +- **Streamable HTTP**: Direct HTTP communication with optional streaming +- **Session Management**: Cryptographically secure session handling +- **JSON-RPC 2.0**: Full protocol compliance with error handling + +### Phase 2: MCP Server Process Management (Next) +- **Process Lifecycle**: Spawn, monitor, terminate MCP servers +- **stdio Communication**: JSON-RPC with local processes +- **Basic Health Monitoring**: Process health checks +- **Simple Configuration**: Static MCP server definitions + +### Phase 3: Team Isolation +- **Resource Boundaries**: CPU and memory limits +- **Process Isolation**: Namespaces and process groups +- **Filesystem Isolation**: Team-specific directories +- **Credential Management**: Secure environment injection + +### Phase 4: Backend Integration ✅ COMPLETED +- **HTTP Polling**: Communication with DeployStack Backend +- **Configuration Sync**: Dynamic configuration updates +- **Status Reporting**: Real-time metrics and health +- **Command Processing**: Execute Backend commands + +For detailed information about the polling implementation, see [Backend Polling Implementation](/development/satellite/polling). + +### Phase 5: Enterprise Features +- **OAuth 2.1 Authentication**: Full authentication server +- **HTTP Proxy**: External MCP server proxying +- **Advanced Monitoring**: Comprehensive observability +- **Multi-Region Support**: Global deployment + +## Technical Implementation Details + +### Current Implementation Specifications +- **Session ID Length**: 32 bytes base64url encoded +- **Session Timeout**: 30 minutes of inactivity +- **JSON-RPC Version**: 2.0 strict compliance +- **HTTP Framework**: Fastify with JSON Schema validation +- **Logging**: Pino structured logging with operation tracking +- **Error Handling**: Comprehensive HTTP status code mapping + +### Planned Resource Jailing Specifications +- **CPU Limit**: 0.1 cores per MCP server process +- **Memory Limit**: 100MB RAM per MCP server process +- **Process Timeout**: 5-minute idle timeout for automatic cleanup +- **Isolation Method**: Linux namespaces + cgroups v2 + +### Technology Stack +- **HTTP Framework**: Fastify with @fastify/http-proxy (planned) +- **Process Communication**: stdio JSON-RPC for local MCP servers (planned) +- **Authentication**: OAuth 2.1 Resource Server with token introspection (planned) +- **Logging**: Pino structured logging +- **Build System**: TypeScript + Webpack + +### Development Setup + +**Clone and Setup:** +```bash +git clone https://github.com/deploystackio/deploystack.git +cd deploystack/services/satellite +npm install +cp .env.example .env +npm run dev +``` + +**Test MCP Transport:** +```bash +# Test SSE connection +curl -N -H "Accept: text/event-stream" http://localhost:3001/sse + +# Send JSON-RPC message (replace SESSION_ID) +curl -X POST "http://localhost:3001/message?session=SESSION_ID" \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"initialize","params":{}}' + +# Direct HTTP transport +curl -X POST http://localhost:3001/mcp \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"tools/list","params":{}}' +``` + +**MCP Client Configuration:** +```json +{ + "mcpServers": { + "deploystack-satellite": { + "command": "npx", + "args": ["@modelcontextprotocol/server-fetch"], + "env": { + "MCP_SERVER_URL": "http://localhost:3001/sse" + } + } + } +} +``` + +## Implementation Status + +The satellite service has completed **Phase 1: MCP Transport Implementation** and **Phase 4: Backend Integration**. Current implementation provides: + +**Phase 1 - MCP Transport Layer:** +- **Complete MCP Transport Layer**: SSE, SSE Messaging, Streamable HTTP +- **Session Management**: Cryptographically secure with automatic cleanup +- **JSON-RPC 2.0 Compliance**: Full protocol support with error handling + +**Phase 4 - Backend Integration:** +- **Command Polling Service**: Adaptive polling with three modes (normal/immediate/error) +- **Dynamic Configuration Management**: Replaces hardcoded MCP server configurations +- **Command Processing**: HTTP MCP server management (spawn/kill/restart/health_check) +- **Heartbeat Service**: Process status reporting and system metrics +- **Configuration Sync**: Real-time MCP server configuration updates + +**Foundation Infrastructure:** +- **HTTP Server**: Fastify with Swagger documentation +- **Logging System**: Pino with structured logging +- **Build Pipeline**: TypeScript compilation and bundling +- **Development Workflow**: Hot reload and code quality tools + +Next milestone: **Phase 2 - MCP Server Process Management** with stdio JSON-RPC communication. + + +**Current Status**: The satellite service has completed Phase 1 (MCP Transport Implementation) and Phase 4 (Backend Integration). It provides full external client interface support and complete backend communication including command orchestration, configuration management, and status reporting. The next major milestone is implementing MCP server process management (Phase 2) to enable actual MCP server hosting. + diff --git a/docs/development/satellite/backend-communication.mdx b/docs/development/satellite/backend-communication.mdx new file mode 100644 index 0000000..5637c77 --- /dev/null +++ b/docs/development/satellite/backend-communication.mdx @@ -0,0 +1,419 @@ +--- +title: Backend Communication +description: How DeployStack Satellite communicates with the Backend from the satellite perspective - HTTP polling, command processing, and status reporting. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# Satellite Backend Communication + +DeployStack Satellite implements outbound-only HTTP polling communication with the Backend, following the GitHub Actions runner pattern for enterprise firewall compatibility. This document describes the communication implementation from the satellite perspective. + +## Communication Pattern + +### HTTP Polling Architecture + +Satellites initiate all communication using outbound HTTPS requests: + +``` +Satellite Backend + │ │ + │──── GET /commands ────────▶│ (Poll for pending commands) + │ │ + │◀─── Commands Response ────│ (MCP server tasks) + │ │ + │──── POST /heartbeat ──────▶│ (Report status, metrics) + │ │ + │◀─── Acknowledgment ───────│ (Confirm receipt) +``` + +**Firewall Benefits:** +- Works through corporate firewalls without inbound rules +- Functions behind network address translation (NAT) +- Supports corporate HTTP proxies +- No exposed satellite endpoints required + +### Adaptive Polling Strategy + +Satellites adjust polling frequency based on Backend guidance: + +- **Immediate Mode**: 2-second intervals when urgent commands pending +- **Normal Mode**: 30-second intervals for routine operations +- **Backoff Mode**: Exponential backoff up to 5 minutes on errors +- **Maintenance Mode**: Reduced polling during maintenance windows + +## Current Implementation + +### Phase 1: Basic Connection Testing ✅ + +The satellite currently implements basic Backend connectivity: + +**Environment Configuration:** +```bash +# .env file +DEPLOYSTACK_BACKEND_URL=http://localhost:3000 +``` + +**Backend Client Service:** +- Connection testing with 5-second timeout +- Health endpoint validation at `/api/health` +- Structured error responses with timing metrics +- Last connection status and response time tracking + +**Fail-Fast Startup Logic:** +```typescript +const connectionStatus = await backendClient.testConnection(); +if (connectionStatus.connection_status === 'connected') { + server.log.info('✅ Backend connection verified'); +} else { + server.log.error('❌ Backend unreachable - satellite cannot start'); + process.exit(1); +} +``` + +**Debug Endpoint:** +- `GET /api/status/backend` - Returns connection status for troubleshooting + +### Phase 2: Satellite Registration ✅ + +Satellite registration is now fully implemented with automatic startup registration and upsert logic for restarts. + +For complete registration documentation, see [Satellite Registration](/development/satellite/registration). + +### Phase 3: Heartbeat Authentication ✅ + +**API Key Authentication:** +- Bearer token authentication implemented for heartbeat requests +- API key validation using argon2 hash verification +- Automatic key rotation on satellite re-registration + +**Heartbeat Implementation:** +- 30-second interval heartbeat reporting +- System metrics collection (CPU, memory, uptime) +- Process status reporting (empty array for now) +- Authenticated communication with Backend + +### Phase 4: Command Polling ✅ + +**Command Polling Implementation:** +- Adaptive polling intervals based on command priorities +- Command queue processing with immediate, high, and normal priorities +- Status reporting and acknowledgment system +- Automatic polling mode switching based on pending commands + +**Priority-Based Polling:** +- `immediate` priority commands trigger 2-second polling intervals +- `high` priority commands trigger 10-second polling intervals +- `normal` priority commands trigger 30-second polling intervals +- No pending commands default to 60-second polling intervals + +**Command Processing:** +- MCP installation commands trigger configuration refresh +- MCP deletion commands trigger process cleanup +- System update commands trigger component updates +- Command completion reporting with correlation IDs + +## Communication Components + +### Command Polling + +**Scope-Aware Endpoints:** +- Global Satellites: `/api/satellites/global/{satelliteId}/commands` +- Team Satellites: `/api/teams/{teamId}/satellites/{satelliteId}/commands` + +**Polling Optimization:** +- `X-Last-Poll` header for incremental updates +- Backend-guided polling intervals +- Command priority handling +- Automatic retry with exponential backoff + +### Status Reporting + +**Heartbeat Communication:** +- System metrics (CPU, memory, disk usage) +- Process status for all running MCP servers +- Network information and connectivity status +- Performance metrics and error counts + +**Command Result Reporting:** +- Execution status and timing +- Process spawn results +- Error logs and diagnostics +- Correlation ID tracking for user feedback + +## Resource Management + +### System Resource Limits + +**Per-Process Limits:** +- **0.1 CPU cores** maximum per MCP server process +- **100MB RAM** maximum per MCP server process +- **5-minute idle timeout** for automatic cleanup +- Maximum 50 concurrent processes per satellite + +**Enforcement Methods:** +- Linux cgroups v2 for CPU and memory limits +- Process monitoring with automatic termination +- Resource usage reporting to Backend +- Early warning at 80% resource utilization + +### Team Isolation + +**Process-Level Isolation:** +- Dedicated system users per team (`satellite-team-123`) +- Separate process groups for complete isolation +- Team-specific directories and permissions +- Network namespace isolation (optional) + +**Resource Boundaries:** +- Team-scoped resource quotas +- Isolated credential management +- Separate logging and audit trails +- Team-aware command filtering + +## MCP Server Management + +### Dual MCP Server Support + +**stdio Subprocess Servers:** +- Local MCP servers as child processes +- JSON-RPC communication over stdio +- Process lifecycle management (spawn, monitor, terminate) +- Team isolation with dedicated system users + +**HTTP Proxy Servers:** +- External MCP server endpoints +- Reverse proxy with load balancing +- Health monitoring and failover +- Request/response caching + +### Process Lifecycle + +**Spawn Process:** +1. Receive spawn command from Backend +2. Validate team permissions and resource limits +3. Create isolated process environment +4. Start MCP server with stdio communication +5. Report process status to Backend + +**Monitor Process:** +- Continuous health checking +- Resource usage monitoring +- Automatic restart on failure +- Performance metrics collection + +**Terminate Process:** +- Graceful shutdown with SIGTERM +- Force kill with SIGKILL after timeout +- Resource cleanup and deallocation +- Final status report to Backend + +## Internal Architecture + +### Five Core Components + +**1. HTTP Proxy Router** +- Team-aware request routing +- OAuth 2.1 Resource Server integration +- Load balancing across MCP server instances +- Request/response logging for audit + +**2. MCP Server Manager** +- Process lifecycle management +- stdio JSON-RPC communication +- Health monitoring and restart logic +- Resource limit enforcement + +**3. Team Resource Manager** +- Linux namespaces and cgroups setup +- Team-specific user and directory creation +- Resource quota enforcement +- Credential injection and isolation + +**4. Backend Communicator** +- HTTP polling with adaptive intervals +- Command queue processing +- Status and metrics reporting +- Configuration synchronization + +**5. Communication Manager** +- stdio JSON-RPC protocol handling +- HTTP proxy request routing +- Session management and cleanup +- Error handling and recovery + +## Technology Stack + +### Core Technologies + +**HTTP Framework:** +- Fastify with `@fastify/http-proxy` for reverse proxy +- JSON Schema validation for all requests +- Pino structured logging +- TypeScript with full type safety + +**Process Management:** +- Node.js `child_process` for MCP server spawning +- stdio JSON-RPC communication +- Process monitoring with health checks +- Graceful shutdown handling + +**Security:** +- OAuth 2.1 Resource Server for authentication +- Linux namespaces for process isolation +- cgroups v2 for resource limits +- Secure credential management + +## Development Setup + +### Local Development + +```bash +# Clone and setup +git clone https://github.com/deploystackio/deploystack.git +cd deploystack/services/satellite +npm install + +# Configure environment +cp .env.example .env +# Edit DEPLOYSTACK_BACKEND_URL as needed + +# Start development server +npm run dev +# Server runs on http://localhost:3001 +``` + +### Environment Configuration + +```bash +# Required environment variables +DEPLOYSTACK_BACKEND_URL=http://localhost:3000 +LOG_LEVEL=debug +PORT=3001 + +# Optional configuration +NODE_ENV=development +SATELLITE_ID=dev-satellite-01 +``` + +### Testing Backend Communication + +```bash +# Test current connection +curl http://localhost:3001/api/status/backend + +# Expected response +{ + "backend_url": "http://localhost:3000", + "connection_status": "connected", + "response_time_ms": 45, + "last_check": "2025-01-05T10:30:00Z" +} +``` + +## Database Integration + +The Backend maintains satellite state in five tables: + +- `satellites` - Satellite registry and configuration +- `satelliteCommands` - Command queue management +- `satelliteProcesses` - Process status tracking +- `satelliteUsageLogs` - Usage analytics and audit +- `satelliteHeartbeats` - Health monitoring data + +See `services/backend/src/db/schema.sqlite.ts` for complete schema definitions. + +## Security Implementation + +### Authentication Flow + +**Registration Phase:** +1. Generate temporary registration token +2. Satellite registers with token +3. Backend validates and issues permanent API key +4. Satellite stores API key securely + +**Operational Phase:** +1. All requests include `Authorization: Bearer {api_key}` +2. Backend validates API key and satellite scope +3. Team context extracted from satellite registration +4. Commands filtered based on team permissions + +### Team Isolation Security + +**Process Security:** +- Each team gets dedicated system user +- Process trees isolated with Linux namespaces +- File system permissions prevent cross-team access +- Network isolation optional for enhanced security + +**Credential Management:** +- Team credentials injected into process environment +- No credential sharing between teams +- Secure credential storage and rotation +- Audit logging for all credential access + +## Monitoring and Observability + +### Structured Logging + +**Log Context:** +```typescript +server.log.info({ + satelliteId: 'satellite-01', + teamId: 'team-123', + operation: 'mcp_server_spawn', + serverId: 'filesystem-server', + duration: '2.3s' +}, 'MCP server spawned successfully'); +``` + +**Log Levels:** +- `trace`: Detailed communication flows +- `debug`: Development debugging +- `info`: Normal operations +- `warn`: Resource limits, restarts +- `error`: Process failures, communication errors +- `fatal`: Satellite crashes + +### Metrics Collection + +**System Metrics:** +- CPU, memory, disk usage per satellite +- Process count and resource utilization +- Network connectivity and latency +- Error rates and failure patterns + +**Business Metrics:** +- MCP tool usage per team +- Process spawn/termination rates +- Resource efficiency metrics +- User activity patterns + +## Implementation Status + +**Current Status:** +- ✅ Basic Backend connection testing +- ✅ Fail-fast startup logic +- ✅ Debug endpoint for troubleshooting +- ✅ Environment configuration +- ✅ Satellite registration with upsert logic +- ✅ API key generation and management +- ✅ Bearer token authentication for requests +- ✅ Command polling loop with adaptive intervals +- ✅ Backend command creation system +- 🚧 Satellite command processing (in progress) +- 🚧 Process management (planned) +- 🚧 Team isolation (planned) + +**Next Milestones:** +1. Complete satellite command processing implementation +2. Build MCP server process management +3. Implement team isolation and resource limits +4. Add comprehensive monitoring and alerting +5. End-to-end testing and performance validation + + +The satellite communication system is designed for enterprise deployment with complete team isolation, resource management, and audit logging while maintaining the developer experience that defines the DeployStack platform. + diff --git a/docs/development/satellite/commands.mdx b/docs/development/satellite/commands.mdx new file mode 100644 index 0000000..29b25b3 --- /dev/null +++ b/docs/development/satellite/commands.mdx @@ -0,0 +1,193 @@ +--- +title: Satellite Commands Reference +description: Complete reference of satellite command types, priorities, and their purposes in the DeployStack satellite system. +sidebar: Commands +--- + +# Satellite Commands Reference + +The satellite command system enables real-time communication between the backend and distributed satellites. Commands are stored in the `satelliteCommands` database table and processed by satellites through polling mechanisms. + +## Command Architecture + +### Command Structure + +Each satellite command contains: + +- **Command Type**: Defines the action to be performed +- **Priority Level**: Determines polling frequency and execution urgency +- **Target Satellite**: Specific satellite ID or all global satellites +- **Payload**: JSON data containing command-specific parameters +- **Expiration**: Commands expire after a defined time period + +### Priority Levels + +| Priority | Polling Interval | Use Case | +|----------|------------------|----------| +| `immediate` | 2 seconds | MCP installations, critical updates | +| `high` | 10 seconds | MCP deletions, configuration changes | +| `normal` | 30 seconds | Routine maintenance, non-urgent tasks | + +## Command Types + +### configure + +**Purpose**: Triggers MCP server configuration refresh and spawning + +**Priority**: `immediate` (installations/updates) or `high` (general config changes) + +**Triggered By**: +- MCP server installations +- MCP server updates +- MCP server deletions +- MCP server argument modifications +- MCP server environment variable changes + +**Payload Structure**: +```json +{ + "event": "mcp_installation_created|mcp_installation_updated", + "installation_id": "installation-uuid", + "team_id": "team-uuid" +} +``` + +**Satellite Actions**: +1. Fetch updated MCP server configurations from backend +2. Compare with existing configurations using hash-based change detection +3. Spawn new MCP server processes for added/modified servers +4. Terminate MCP server processes for deleted installations +5. Update HTTP proxy routes for new/removed MCP servers +6. Perform tool discovery on newly spawned servers + +### restart + +**Purpose**: Restarts specific MCP server processes + +**Priority**: `high` + +**Triggered By**: +- Manual restart requests +- Error recovery procedures +- Configuration reload requirements + +**Payload Structure**: +```json +{ + "installation_id": "installation-uuid", + "reason": "error_recovery|manual_restart|config_reload" +} +``` + +**Satellite Actions**: +1. Gracefully terminate existing MCP server process +2. Clear process state and temporary resources +3. Respawn MCP server with current configuration +4. Re-establish HTTP proxy routes +5. Perform health checks on restarted process + +### update + +**Purpose**: Updates satellite system components or configurations + +**Priority**: `normal` + +**Triggered By**: +- Satellite software updates +- System configuration changes +- Maintenance procedures + +**Payload Structure**: +```json +{ + "component": "satellite|proxy|discovery", + "version": "1.2.3", + "config_changes": {} +} +``` + +**Satellite Actions**: +1. Download and validate update packages +2. Perform backup of current state +3. Apply updates with rollback capability +4. Restart affected components +5. Verify system integrity post-update + +## Command Lifecycle + +### Creation + +Commands are created by the `SatelliteCommandService` in the backend: + +**File**: `services/backend/src/services/satelliteCommandService.ts` + +**Methods**: +- `createCommandForAllGlobalSatellites()` - Broadcasts to all global satellites +- `createCommandForSpecificSatellite()` - Targets specific satellite +- `createCommandForTeamSatellites()` - Targets team-specific satellites + +### Processing + +Commands are processed by satellites through the command polling service: + +**File**: `services/satellite/src/services/command-polling-service.ts` + +**Process**: +1. Poll backend for pending commands +2. Determine polling frequency based on command priorities +3. Execute command-specific actions +4. Mark commands as completed or failed +5. Report execution results to backend + +### Expiration + +Commands automatically expire to prevent stale command execution: + +- **Default Expiration**: 5 minutes for most commands +- **Cleanup Expiration**: 10 minutes for deletion commands +- **Update Expiration**: 30 minutes for system updates + +Expired commands are ignored during processing and cleaned up by background tasks. + +## Integration Points + +### Backend Integration + +The satellite command system integrates with MCP installation routes: + +- `services/backend/src/routes/mcp/installations/create.ts` +- `services/backend/src/routes/mcp/installations/update.ts` +- `services/backend/src/routes/mcp/installations/delete.ts` +- `services/backend/src/routes/mcp/installations/updateArgs.ts` +- `services/backend/src/routes/mcp/installations/updateEnvironmentVars.ts` + +### Satellite Integration + +Satellites process commands through dedicated service components: + +- **Command Polling**: Fetches and prioritizes commands +- **Dynamic Config Manager**: Handles configuration updates +- **HTTP Proxy Manager**: Manages proxy route changes +- **Remote Tool Discovery**: Discovers tools on new MCP servers + +## Performance Characteristics + +### Response Times + +- **Immediate Commands**: 2-3 second end-to-end response time +- **High Priority Commands**: 10-15 second response time +- **Normal Commands**: 30-60 second response time + +### Scalability + +- Commands scale horizontally across multiple satellites +- Global satellites receive broadcast commands automatically +- Team-specific satellites receive targeted commands only +- Command processing is asynchronous and non-blocking + +### Reliability + +- Commands include retry mechanisms with configurable limits +- Failed commands are logged with detailed error information +- Command expiration prevents indefinite retry loops +- Correlation IDs enable command tracking across system boundaries diff --git a/docs/development/satellite/index.mdx b/docs/development/satellite/index.mdx new file mode 100644 index 0000000..3c48e48 --- /dev/null +++ b/docs/development/satellite/index.mdx @@ -0,0 +1,303 @@ +--- +title: Satellite Development +description: Complete guide to developing and contributing to DeployStack Satellite - edge workers that manage MCP servers with team isolation and enterprise security. +sidebar: Getting Started +--- + +import { Card, Cards } from 'fumadocs-ui/components/card'; +import { Cloud, Shield, Plug, Settings, Network, TestTube, Wrench, BookOpen, Terminal, Users } from 'lucide-react'; + +# DeployStack Satellite Development + +DeployStack Satellites are **edge workers** (similar to GitHub Actions runners) that manage MCP servers with enterprise-grade team isolation and security. This service represents DeployStack's strategic pivot from local CLI gateway to cloud-native MCP-as-a-Service platform. + +## Current Implementation Status + +The satellite service has completed **Phase 1: MCP Transport Implementation** with working external client interfaces: + +- ✅ **Fastify HTTP Server** with Swagger API documentation +- ✅ **Pino Logging System** identical to backend configuration +- ✅ **MCP Transport Protocols** - SSE, SSE Messaging, Streamable HTTP +- ✅ **Session Management** with cryptographically secure session IDs +- ✅ **JSON-RPC 2.0 Protocol** compliance for MCP communication +- ✅ **TypeScript + Webpack** build system with full type safety +- ✅ **Development Workflow** with hot reload and linting +- 🚧 **MCP Server Process Management** (planned) +- 🚧 **Team Isolation** (planned) +- 🚧 **Backend Communication** (planned) + +## Architecture Vision + +Satellites implement a hybrid edge worker pattern with five core internal components: + +- **HTTP Proxy Router**: Team-aware request routing with OAuth 2.1 authentication +- **Dual MCP Server Manager**: Manages both external HTTP endpoints and stdio subprocess MCP servers +- **Team Resource Manager**: Linux namespaces, cgroups, and resource jailing (0.1 CPU, 100MB RAM per process) +- **Communication Manager**: Handles stdio JSON-RPC and HTTP proxy communication +- **Backend Communicator**: Integration with DeployStack Backend for configuration and monitoring + +## Deployment Models (Planned) + +Satellites will support two deployment patterns: + +- **Global Satellites**: DeployStack-operated cloud infrastructure serving all teams with resource isolation +- **Team Satellites**: Customer-deployed within corporate networks for internal resource access +- **Dual MCP Server Support**: Both HTTP proxy (external endpoints) and stdio subprocess (local) MCP servers + +## Technology Stack + +- **Runtime**: Node.js with TypeScript +- **HTTP Framework**: Fastify with native JSON Schema validation +- **Logging**: Pino logger with structured logging +- **MCP Transport**: SSE, Streamable HTTP, Direct HTTP protocols +- **Session Management**: Cryptographically secure 32-byte session IDs +- **Authentication**: OAuth 2.1 Resource Server (planned) +- **Process Management**: stdio subprocess management (planned) +- **Team Isolation**: Linux namespaces and cgroups (planned) +- **Build System**: TypeScript + Webpack +- **Development**: Nodemon with hot reload + +## Quick Start + +### Current Development Setup + +```bash +# Clone and setup +cd services/satellite +npm install + +# Configure environment +cp .env.example .env +# Edit LOG_LEVEL, PORT as needed + +# Start development server +npm run dev +# Server runs on http://localhost:3001 +# API docs: http://localhost:3001/documentation +``` + +### Available Scripts + +```bash +npm run dev # Development server with hot reload +npm run build # Production build +npm run start # Start production server +npm run lint # ESLint with auto-fix +npm run release # Release management +``` + +### Current MCP Transport Endpoints + +- **GET** `/sse` - Establish SSE connection with session management +- **POST** `/message?session={id}` - Send JSON-RPC messages via SSE sessions +- **GET/POST** `/mcp` - Streamable HTTP transport with optional sessions +- **OPTIONS** `/mcp` - CORS preflight handling + +### Testing MCP Transport + +```bash +# Test SSE connection +curl -N -H "Accept: text/event-stream" http://localhost:3001/sse + +# Send JSON-RPC message (replace SESSION_ID) +curl -X POST "http://localhost:3001/message?session=SESSION_ID" \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"initialize","params":{}}' + +# Direct HTTP transport +curl -X POST http://localhost:3001/mcp \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"tools/list","params":{}}' +``` + +## Development Guides + + + } + href="/development/satellite/architecture" + title="Architecture Design" + > + Learn the satellite system architecture, current implementation, and planned features. + + + } + href="/development/satellite/mcp-transport" + title="MCP Transport Protocols" + > + External communication endpoints for MCP client integration - SSE, Streamable HTTP, and Direct HTTP. + + + } + href="/development/satellite/logging" + title="Logging & Configuration" + > + Pino logging setup, log levels, environment configuration, and development patterns. + + + } + href="/development/satellite/global-satellites" + title="Global Satellites" + > + Managed satellite infrastructure, auto-scaling, multi-region deployment, and freemium model. + + + } + href="/development/satellite/team-satellites" + title="Team Satellites" + > + Enterprise on-premise deployment, internal resource access, and complete team isolation. + + + } + href="/development/satellite/security" + title="Security & Isolation" + > + Resource jailing, team isolation, credential management, and enterprise security features. + + + } + href="/development/satellite/mcp-servers" + title="MCP Server Management" + > + Satellite-hosted MCP servers, process management, and tool availability. + + + } + href="/development/satellite/configuration" + title="Configuration Management" + > + Satellite configuration, team settings, and deployment parameters. + + + } + href="/development/satellite/testing" + title="Testing Strategy" + > + Testing satellite infrastructure, deployment validation, and integration testing. + + + } + href="/development/satellite/deployment" + title="Deployment & Operations" + > + Satellite deployment patterns, monitoring, scaling, and operational considerations. + + + +## Current Features + +### MCP Transport Layer (Implemented) +- **SSE Transport**: Server-Sent Events with session management +- **SSE Messaging**: JSON-RPC message sending via established sessions +- **Streamable HTTP**: Direct HTTP communication with optional streaming +- **Session Management**: 32-byte cryptographically secure session IDs +- **JSON-RPC 2.0**: Full protocol compliance with error handling +- **CORS Support**: Cross-origin request handling + +### Foundation Infrastructure +- **Fastify HTTP Server**: High-performance server with automatic request validation +- **Swagger Documentation**: Auto-generated API documentation at `/documentation` +- **Environment Configuration**: `.env` file support with LOG_LEVEL control +- **Structured Logging**: Pino logger with development and production modes +- **TypeScript Support**: Full type safety with hot reload development + +### Development Workflow +- **Hot Reload**: Automatic server restart on code changes +- **Linting**: ESLint with auto-fix for code quality +- **Build System**: TypeScript compilation with Webpack bundling +- **Release Management**: Conventional changelog with release-it + +## Planned Features (Roadmap) + +### Phase 2: MCP Server Process Management +- **Process Lifecycle**: Spawn, monitor, and terminate MCP server processes +- **stdio Communication**: JSON-RPC communication with local MCP servers +- **HTTP Proxy**: Reverse proxy for external MCP server endpoints +- **Health Monitoring**: Process health checks and automatic restart + +### Phase 3: Team Isolation +- **Resource Boundaries**: CPU and memory limits per team +- **Process Isolation**: Separate process groups and namespaces +- **Filesystem Isolation**: Team-specific directories and permissions +- **Credential Management**: Secure team credential injection + +### Phase 4: Backend Integration +- **HTTP Polling**: Outbound communication with DeployStack Backend +- **Configuration Sync**: Dynamic configuration updates from Backend +- **Status Reporting**: Real-time satellite health and usage metrics +- **Command Processing**: Execute Backend commands with acknowledgment + +### Phase 5: Enterprise Features +- **OAuth 2.1 Authentication**: Resource server with token introspection +- **Audit Logging**: Complete audit trails for compliance +- **Multi-Region Support**: Global satellite deployment +- **Auto-Scaling**: Dynamic resource allocation based on demand + +## Development Patterns + +### MCP Transport Development +Follow established patterns when working with MCP transport: + +1. Use manual JSON serialization with `JSON.stringify()` +2. Implement comprehensive error handling with proper HTTP status codes +3. Include structured logging with operation tracking +4. Handle session management and activity tracking +5. Support both streaming and standard response modes + +### API Route Development +Follow established patterns when adding new routes: + +1. Create route files in `src/routes/` directories +2. Use reusable JSON Schema constants for validation +3. Implement TypeScript interfaces for type safety +4. Use manual JSON serialization with `JSON.stringify()` +5. Register routes in `src/routes/index.ts` + +### Logging Best Practices +- Use structured logging with context objects +- Pass logger instances as parameters to services +- Include operation identifiers for traceability +- Use appropriate log levels (debug, info, warn, error) +- Avoid console.log statements in favor of Pino logger + +### Configuration Management +- Use environment variables for configuration +- Provide sensible defaults for development +- Document all configuration options +- Support both development and production modes + +## Strategic Context + +The satellite service represents DeployStack's evolution from a developer tool into a comprehensive enterprise MCP management platform. This strategic pivot addresses: + +- **Adoption Friction**: Eliminates CLI installation barriers (12x better conversion) +- **Market Differentiation**: Creates new "MCP-as-a-Service" category +- **Enterprise Requirements**: Provides team isolation and compliance features +- **Scalability**: Enables horizontal scaling and global deployment + +## Contributing + +When contributing to satellite development: + +1. **Follow Backend Patterns**: Use identical logging, validation, and error handling +2. **Maintain Type Safety**: Leverage TypeScript for compile-time validation +3. **Document Changes**: Update relevant documentation for new features +4. **Test Thoroughly**: Ensure changes work in both development and production +5. **Consider Enterprise**: Design features with team isolation and security in mind +6. **MCP Compliance**: Ensure JSON-RPC 2.0 protocol compliance + +## Next Steps + +The satellite service has completed Phase 1 (MCP Transport Implementation) and is ready for Phase 2 development. The next major milestone is implementing MCP server process management, which will enable the core satellite functionality of managing MCP servers on behalf of teams. + +For detailed implementation guidance, see the architecture and MCP transport documentation linked above. diff --git a/docs/development/satellite/logging.mdx b/docs/development/satellite/logging.mdx new file mode 100644 index 0000000..00f6cfd --- /dev/null +++ b/docs/development/satellite/logging.mdx @@ -0,0 +1,509 @@ +--- +title: Satellite Logging & Log Level Configuration +description: Complete guide to configuring and using log levels in the DeployStack Satellite for development and production environments. +sidebar: Logging +--- + +import { Callout } from 'fumadocs-ui/components/callout'; +import { CodeBlock } from 'fumadocs-ui/components/codeblock'; + +# Satellite Log Level Configuration + +The DeployStack Satellite uses **Pino** logger with **Fastify** for high-performance, structured logging. This guide covers everything you need to know about configuring and using log levels effectively in the satellite service. + +## Overview + +The Satellite logging system is identical to the backend implementation, built on industry best practices: + +- **Pino Logger**: Ultra-fast JSON logger for Node.js +- **Fastify Integration**: Native logging support with request correlation +- **Environment-based Configuration**: Automatic log level adjustment based on NODE_ENV +- **Structured Logging**: JSON output for production, pretty-printed for development + +## Available Log Levels + +Log levels are ordered by severity (lowest to highest): + +| Level | Numeric Value | Description | When to Use | +|-------|---------------|-------------|-------------| +| `trace` | 10 | Very detailed debugging | MCP server process tracing, detailed communication flows | +| `debug` | 20 | Debugging information | Development debugging, MCP server lifecycle events | +| `info` | 30 | General information | Satellite startup, team operations, successful MCP calls | +| `warn` | 40 | Warning messages | Resource limits approached, MCP server restarts | +| `error` | 50 | Error conditions | MCP server failures, team isolation violations | +| `fatal` | 60 | Fatal errors | Satellite crashes, critical system failures | + +## Configuration + +### Environment Variables + +Set the log level using the `LOG_LEVEL` environment variable in your `.env` file: + +```bash +# Development - show debug information +LOG_LEVEL=debug npm run dev + +# Production - show info and above +LOG_LEVEL=info npm run start + +# Troubleshooting - show everything +LOG_LEVEL=trace npm run dev + +# Quiet mode - only errors and fatal +LOG_LEVEL=error npm run start +``` + +### Default Behavior + +The logger automatically adjusts based on your environment: + +```typescript +// From src/fastify/config/logger.ts +export const loggerConfig: FastifyServerOptions['logger'] = { + level: process.env.LOG_LEVEL || (process.env.NODE_ENV === 'production' ? 'info' : 'debug'), + transport: process.env.NODE_ENV !== 'production' + ? { + target: 'pino-pretty', + options: { + colorize: true, + translateTime: 'SYS:standard', + ignore: 'pid,hostname' + } + } + : undefined +} +``` + +**Default Levels:** +- **Development**: `debug` (shows debug, info, warn, error, fatal) +- **Production**: `info` (shows info, warn, error, fatal) + +## Log Output Formats + +### Development Format (Pretty-printed) + +``` +[2025-09-09 13:34:50.836 +0200] INFO: 🚀 DeployStack Satellite running on http://0.0.0.0:3001 +[2025-09-09 13:34:50.836 +0200] DEBUG: 🔄 Starting MCP server process manager... +[2025-09-09 13:35:13.499 +0200] INFO: Hello world endpoint accessed + operation: "hello_world" + endpoint: "/health/hello" +``` + +### Production Format (JSON) + +```json +{"level":30,"time":"2025-09-09T11:34:50.836Z","pid":1234,"hostname":"satellite-01","msg":"DeployStack Satellite running on http://0.0.0.0:3001"} +{"level":20,"time":"2025-09-09T11:34:50.836Z","pid":1234,"hostname":"satellite-01","msg":"Starting MCP server process manager..."} +{"level":30,"time":"2025-09-09T11:35:13.499Z","pid":1234,"hostname":"satellite-01","operation":"hello_world","endpoint":"/health/hello","msg":"Hello world endpoint accessed"} +``` + +## Satellite-Specific Logging Patterns + +### MCP Server Management + +```typescript +// MCP server lifecycle +server.log.debug({ + operation: 'mcp_server_spawn', + serverId: 'filesystem-server', + teamId: 'team-123', + command: 'npx @modelcontextprotocol/server-filesystem' +}, 'Spawning MCP server process'); + +server.log.info({ + operation: 'mcp_server_ready', + serverId: 'filesystem-server', + teamId: 'team-123', + pid: 5678, + startupTime: '2.3s' +}, 'MCP server process ready'); + +server.log.warn({ + operation: 'mcp_server_restart', + serverId: 'filesystem-server', + teamId: 'team-123', + reason: 'health_check_failed', + restartCount: 2 +}, 'Restarting MCP server process'); +``` + +### Team Isolation Operations + +```typescript +// Team resource management +server.log.debug({ + operation: 'team_isolation_setup', + teamId: 'team-123', + namespace: 'satellite-team-123', + cpuLimit: '0.1', + memoryLimit: '100MB' +}, 'Setting up team resource isolation'); + +server.log.warn({ + operation: 'resource_limit_approached', + teamId: 'team-123', + resourceType: 'memory', + currentUsage: '85MB', + limit: '100MB' +}, 'Team approaching resource limit'); +``` + +### Backend Communication + +```typescript +// Backend polling and communication +server.log.debug({ + operation: 'backend_poll', + backendUrl: 'https://api.deploystack.io', + satelliteId: 'satellite-01', + responseTime: '150ms' +}, 'Backend polling completed'); + +server.log.info({ + operation: 'configuration_update', + satelliteId: 'satellite-01', + configVersion: 'v1.2.3', + changedKeys: ['teams', 'mcpServers'] +}, 'Configuration updated from backend'); +``` + +### HTTP Proxy Operations + +```typescript +// MCP client requests +server.log.debug({ + operation: 'mcp_request_proxy', + clientId: 'vscode-client', + teamId: 'team-123', + mcpServer: 'filesystem-server', + method: 'tools/list', + responseTime: '45ms' +}, 'MCP request proxied successfully'); + +server.log.error({ + operation: 'mcp_request_failed', + clientId: 'vscode-client', + teamId: 'team-123', + mcpServer: 'filesystem-server', + method: 'tools/call', + error: 'Server process not responding', + statusCode: 503 +}, 'MCP request failed'); +``` + +## Logger Parameter Injection Pattern + +The Satellite follows the same logger injection pattern as the backend: + +### ✅ DO: Pass Logger as Parameter to Services + +```typescript +// ✅ Good - MCP server manager accepts logger +class McpServerManager { + static async spawnServer(config: McpServerConfig, logger: FastifyBaseLogger): Promise { + logger.debug({ + operation: 'mcp_server_spawn', + serverId: config.id, + teamId: config.teamId, + command: config.command + }, 'Spawning MCP server process'); + + try { + const process = await this.createProcess(config); + + logger.info({ + operation: 'mcp_server_spawned', + serverId: config.id, + teamId: config.teamId, + pid: process.pid + }, 'MCP server process spawned successfully'); + + return process; + } catch (error) { + logger.error({ + operation: 'mcp_server_spawn_failed', + serverId: config.id, + teamId: config.teamId, + error + }, 'Failed to spawn MCP server process'); + throw error; + } + } +} + +// ✅ Good - Team isolation service accepts logger +export async function setupTeamIsolation(teamId: string, logger: FastifyBaseLogger): Promise { + logger.info({ + operation: 'team_isolation_setup', + teamId + }, 'Setting up team isolation'); + + try { + // ... isolation setup logic + logger.info({ + operation: 'team_isolation_ready', + teamId + }, 'Team isolation setup completed'); + return true; + } catch (error) { + logger.error({ + operation: 'team_isolation_failed', + teamId, + error + }, 'Failed to setup team isolation'); + return false; + } +} +``` + +### ✅ DO: Use Child Loggers for Persistent Context + +```typescript +// ✅ Good - Create child logger with satellite context +class SatelliteManager { + private logger: FastifyBaseLogger; + + constructor(baseLogger: FastifyBaseLogger, satelliteId: string) { + this.logger = baseLogger.child({ + satelliteId, + component: 'SatelliteManager' + }); + } + + async processTeamCommand(teamId: string, command: string) { + const teamLogger = this.logger.child({ teamId }); + + teamLogger.debug('Processing team command', { command }); + teamLogger.info('Team command completed'); + } +} +``` + +## Satellite-Specific Context Objects + +Always include relevant context that helps identify satellite operations: + +```typescript +// ✅ Good - Satellite-specific structured logging +server.log.info({ + satelliteId: 'satellite-01', + satelliteType: 'global', // or 'team' + operation: 'satellite_startup', + port: 3001, + version: '0.1.0' +}, 'Satellite service started'); + +// ✅ Good - Team-aware logging +server.log.debug({ + satelliteId: 'satellite-01', + teamId: 'team-123', + operation: 'mcp_tool_call', + toolName: 'read_file', + serverId: 'filesystem-server', + userId: 'user-456', + duration: '120ms' +}, 'MCP tool call completed'); + +// ✅ Good - Resource monitoring +server.log.warn({ + satelliteId: 'satellite-01', + teamId: 'team-123', + operation: 'resource_monitoring', + cpuUsage: '0.08', + memoryUsage: '78MB', + processCount: 3, + activeConnections: 12 +}, 'Team resource usage update'); +``` + +**Best Practices for Satellite Context Objects:** + +- **Always include `satelliteId`**: Identifies which satellite instance +- **Include `teamId`** for team-specific operations +- **Add `operation`**: Consistent field describing the operation +- **Include `serverId`** for MCP server operations +- **Add performance metrics**: Duration, resource usage, counts +- **Use consistent naming**: camelCase and standard field names + +## Environment-Specific Configuration + +### Development Environment + +```bash +# .env file for development +NODE_ENV=development +LOG_LEVEL=debug +PORT=3001 +``` + +**Features:** +- Pretty-printed, colorized output +- Shows debug and trace information +- Includes timestamps and context +- Easier to read during development + +### Production Environment + +```bash +# Production environment variables +NODE_ENV=production +LOG_LEVEL=info +PORT=3001 +``` + +**Features:** +- Structured JSON output +- Optimized for log aggregation +- Excludes debug information +- Better performance + +### Testing Environment + +```bash +# Testing environment +NODE_ENV=test +LOG_LEVEL=error +PORT=3002 +``` + +**Features:** +- Minimal log output during tests +- Only shows errors and fatal messages +- Reduces test noise + +## Common Satellite Logging Patterns + +### Satellite Lifecycle + +```typescript +// Satellite startup +server.log.info({ + operation: 'satellite_startup', + satelliteId: 'satellite-01', + port: 3001, + version: '0.1.0' +}, '🚀 DeployStack Satellite starting'); + +server.log.info({ + operation: 'satellite_ready', + satelliteId: 'satellite-01', + endpoints: ['/api/health/hello', '/documentation'] +}, '✅ Satellite service ready'); +``` + +### MCP Server Operations + +```typescript +// MCP server management +server.log.debug({ + operation: 'mcp_servers_discovery', + teamId: 'team-123', + availableServers: ['filesystem', 'web-search', 'calculator'] +}, 'Discovering available MCP servers'); + +server.log.info({ + operation: 'mcp_server_health_check', + serverId: 'filesystem-server', + teamId: 'team-123', + status: 'healthy', + responseTime: '25ms' +}, 'MCP server health check passed'); +``` + +### Team Management + +```typescript +// Team operations +server.log.info({ + operation: 'team_registration', + teamId: 'team-123', + teamName: 'Engineering Team', + memberCount: 5 +}, 'Team registered with satellite'); + +server.log.warn({ + operation: 'team_quota_exceeded', + teamId: 'team-123', + quotaType: 'mcp_requests', + currentUsage: 1050, + limit: 1000 +}, 'Team exceeded MCP request quota'); +``` + +## Troubleshooting + +### Debug Mode Not Working + +If debug logs aren't showing: + +1. **Check LOG_LEVEL**: Ensure it's set to `debug` or `trace` in `.env` +2. **Check NODE_ENV**: Development mode enables debug by default +3. **Restart Satellite**: Environment changes require restart + +```bash +# Force debug mode +LOG_LEVEL=debug npm run dev +``` + +### Performance Issues + +If logging is impacting satellite performance: + +1. **Increase Log Level**: Use `info` or `warn` in production +2. **Remove Excessive Debug Logs**: Clean up verbose debug statements +3. **Use Async Logging**: Pino handles this automatically + +### Log Aggregation + +For production satellite monitoring: + +```typescript +// Add correlation IDs for request tracking +server.addHook('onRequest', async (request) => { + request.log = request.log.child({ + requestId: request.id, + satelliteId: process.env.SATELLITE_ID || 'unknown', + userAgent: request.headers['user-agent'] + }); +}); +``` + +## Migration from Console.log + + +**Important**: Replace all `console.log` statements with proper Pino logger calls to ensure consistent formatting and log level filtering. + + +### Problem: Inconsistent Log Output + +```typescript +// ❌ Problem - Mixed logging approaches +console.log('✅ [McpServerManager] Server spawned'); // No timestamp or context +server.log.info('✅ MCP server ready'); // With timestamp and context +``` + +### Solution: Use Proper Logger + +```typescript +// ✅ Solution - Consistent logging +class McpServerManager { + private static logger = server.log.child({ component: 'McpServerManager' }); + + static async spawnServer(config: McpServerConfig) { + this.logger.debug('Spawning MCP server', { serverId: config.id }); + this.logger.info('MCP server spawned successfully', { serverId: config.id }); + } +} +``` + +## Summary + +- **Use proper log levels** for satellite operations +- **Include satellite-specific context** (satelliteId, teamId, serverId) +- **Follow backend logging patterns** for consistency +- **Configure LOG_LEVEL** via environment variables +- **Use child loggers** for persistent context +- **Avoid console.log** statements in favor of Pino logger + +With proper log level configuration, the satellite service will have production-ready logging that scales from development to enterprise deployments, providing the observability needed for managing MCP servers and team isolation. diff --git a/docs/development/satellite/mcp-transport.mdx b/docs/development/satellite/mcp-transport.mdx new file mode 100644 index 0000000..2472f2d --- /dev/null +++ b/docs/development/satellite/mcp-transport.mdx @@ -0,0 +1,249 @@ +--- +title: MCP Transport Protocols +description: External communication endpoints for MCP client integration +--- + +# MCP Transport Protocols + +Satellite implements three MCP transport protocols for external client communication. Each protocol serves different use cases and client requirements. + +## Transport Overview + +| Protocol | Endpoint | Method | Use Case | +|----------|----------|--------|---------| +| SSE Transport | `/sse` | GET | Persistent connections with session management | +| SSE Messaging | `/message` | POST | JSON-RPC message sending via established sessions | +| Streamable HTTP | `/mcp` | GET/POST | Direct HTTP communication with optional streaming | + +## SSE Transport + +### Connection Establishment + +**Endpoint:** `GET /sse` + +**Headers:** +- `Accept: text/event-stream` (required) +- `Cache-Control: no-cache` +- `Connection: keep-alive` + +**Response:** +- Content-Type: `text/event-stream` +- Session ID and endpoint URL sent as SSE events +- 30-minute session timeout with automatic cleanup + +**Example:** +```bash +curl -N -H "Accept: text/event-stream" http://localhost:3001/sse +``` + +**SSE Events:** +``` +event: endpoint +data: {"url": "http://localhost:3001/message?session=abc123..."} + +event: heartbeat +data: {"timestamp": "2025-01-09T13:30:00.000Z"} +``` + +### Session Management + +- **Session ID:** 32-byte cryptographically secure base64url identifier +- **Timeout:** 30 minutes of inactivity +- **Activity Tracking:** Updated on each message received +- **Cleanup:** Automatic removal of expired sessions + +## SSE Messaging + +**Endpoint:** `POST /message?session={sessionId}` + +**Headers:** +- `Content-Type: application/json` (required) + +**Request Body:** JSON-RPC 2.0 message +```json +{ + "jsonrpc": "2.0", + "id": "req-1", + "method": "initialize", + "params": { + "clientInfo": { + "name": "my-client", + "version": "1.0.0" + } + } +} +``` + +**Response:** Message processing status +```json +{ + "status": "sent", + "messageId": "req-1" +} +``` + +**Status Codes:** +- `200` - Message sent successfully +- `202` - Message accepted (for notifications) +- `400` - Invalid JSON-RPC or missing session +- `404` - Session not found +- `500` - Internal server error + +## Streamable HTTP Transport + +### GET Endpoint + +**Endpoint:** `GET /mcp` + +**Headers:** +- `Accept: text/event-stream` (required for SSE stream) +- `Mcp-Session-Id: {sessionId}` (optional) + +**Response:** SSE stream with heartbeat messages + +### POST Endpoint + +**Endpoint:** `POST /mcp` + +**Headers:** +- `Content-Type: application/json` (required) +- `Accept: application/json` (default) or `text/event-stream` (streaming) +- `Mcp-Session-Id: {sessionId}` (optional) + +**Request Body:** JSON-RPC 2.0 message + +**Response Modes:** +1. **Standard JSON:** Direct JSON-RPC response +2. **SSE Streaming:** Response sent via Server-Sent Events + +## Supported MCP Methods + +### Core Protocol +- `initialize` - Initialize MCP session +- `notifications/initialized` - Client initialization complete + +### Tools +- `tools/list` - List available tools from remote MCP servers +- `tools/call` - Execute tools on remote MCP servers + +For detailed information about tool discovery and execution, see [Tool Discovery Implementation](/development/satellite/tool-discovery). + +### Resources +- `resources/list` - List available resources (returns empty array) +- `resources/templates/list` - List resource templates (returns empty array) + +### Prompts +- `prompts/list` - List available prompts (returns empty array) + +## Error Handling + +### JSON-RPC Errors +```json +{ + "jsonrpc": "2.0", + "error": { + "code": -32601, + "message": "Method not found: unknown_method" + }, + "id": "req-1" +} +``` + +### HTTP Errors +```json +{ + "success": false, + "error": "Session not found" +} +``` + +### Common Error Codes +- `-32600` - Invalid Request +- `-32601` - Method not found +- `-32603` - Internal error +- `-32001` - Session not found (custom) + +## Client Integration + +### MCP Client Configuration + +**SSE Transport Example:** +```json +{ + "mcpServers": { + "satellite": { + "command": "npx", + "args": ["@modelcontextprotocol/server-fetch"], + "env": { + "MCP_SERVER_URL": "http://localhost:3001/sse" + } + } + } +} +``` + +**Direct HTTP Example:** +```json +{ + "mcpServers": { + "satellite": { + "command": "npx", + "args": ["@modelcontextprotocol/server-fetch"], + "env": { + "MCP_SERVER_URL": "http://localhost:3001/mcp" + } + } + } +} +``` + +## Development Setup + +### Local Testing + +1. **Start Satellite:** + ```bash + cd services/satellite + npm run dev + ``` + +2. **Test SSE Connection:** + ```bash + curl -N -H "Accept: text/event-stream" http://localhost:3001/sse + ``` + +3. **Send JSON-RPC Message:** + ```bash + curl -X POST "http://localhost:3001/message?session=YOUR_SESSION_ID" \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"initialize","params":{}}' + ``` + +### Protocol Selection + +**Use SSE Transport when:** +- Long-lived connections needed +- Session state management required +- Real-time bidirectional communication + +**Use Streamable HTTP when:** +- Stateless request/response patterns +- Standard HTTP client libraries +- Optional streaming responses + +## Security Considerations + +- **No Authentication:** Current implementation has no security layer +- **Session Isolation:** Sessions are isolated by cryptographic session IDs +- **Resource Limits:** 30-minute session timeout prevents resource exhaustion +- **CORS Support:** Cross-origin requests supported via preflight handling + +## Logging and Monitoring + +All transport protocols generate structured logs with: +- Operation tracking +- Session management events +- Error conditions +- Performance metrics + +See [Logging Documentation](/development/satellite/logging) for detailed log format specifications. diff --git a/docs/development/satellite/oauth-authentication.mdx b/docs/development/satellite/oauth-authentication.mdx new file mode 100644 index 0000000..c056942 --- /dev/null +++ b/docs/development/satellite/oauth-authentication.mdx @@ -0,0 +1,812 @@ +--- +title: OAuth Authentication Implementation +description: Technical implementation of multi-team OAuth 2.1 Resource Server functionality in DeployStack Satellite for MCP client authentication. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# OAuth Authentication Implementation + +DeployStack Satellite implements OAuth 2.1 Resource Server functionality to authenticate MCP clients with team-aware access control. This document covers the technical implementation, integration patterns, and development setup for the OAuth authentication layer. + +## Technical Overview + +### OAuth 2.1 Resource Server Architecture + +The satellite operates as a multi-team OAuth 2.1 Resource Server that validates Bearer tokens via Backend introspection. The backend now uses database-backed storage for dynamic client registration, enabling persistent MCP client authentication: + +``` +MCP Client Satellite Backend + │ │ │ + │──── GET /sse ─────────────▶│ │ + │ │ │ + │◀─── 401 + WWW-Auth ──────│ │ + │ │ │ + │──── Dynamic Registration ─────────────────────────────▶│ + │◀─── Client ID ───────────────────────────────────────│ + │ │ │ + │──── OAuth Flow ──────────────────────────────────────▶│ + │◀─── Bearer Token ────────────────────────────────────│ + │ │ │ + │──── GET /sse + Token ────▶│ │ + │ │──── POST /introspect ─────▶│ + │ │◀─── Team Context ─────────│ + │ │ │ + │◀─── SSE Stream ──────────│ │ +``` + +### Core Components + +**Token Introspection Service:** +- Validates Bearer tokens via Backend introspection endpoint +- Implements 5-minute token caching for performance +- Supports multi-team authentication (any valid team) +- Extracts team context from token validation response +- Handles both static and dynamic client tokens + +**Authentication Middleware:** +- `requireAuthentication()` - Validates Bearer tokens for any team +- `requireScope()` - Enforces OAuth scope requirements +- Proper WWW-Authenticate headers with OAuth 2.1 compliance +- JSON-RPC 2.0 compliant error responses +- Dynamic client registration guidance in error responses + +**Team-Aware MCP Handler:** +- Filters tools based on team's MCP server installations +- Team-aware `tools/list` - only shows tools from team's allowed servers +- Team-aware `tools/call` - validates team access before execution +- Integrates with existing tool discovery and configuration systems + +For detailed team isolation implementation, see [Team Isolation Implementation](/development/satellite/team-isolation). + +**Dynamic Client Support:** +- Supports RFC 7591 dynamically registered clients +- Handles VS Code MCP extension client caching +- Supports Cursor, Claude.ai, and other MCP clients +- Persistent client storage survives backend restarts + +## Implementation Files + +### Core OAuth Services + +**Token Introspection Service:** +- File: `services/satellite/src/services/token-introspection-service.ts` +- Purpose: Backend token validation with 5-minute caching +- Dependencies: BackendClient for introspection calls + +**Authentication Middleware:** +- File: `services/satellite/src/middleware/auth-middleware.ts` +- Purpose: Bearer token validation and scope enforcement +- Integration: Fastify preValidation hooks + +**Team-Aware MCP Handler:** +- File: `services/satellite/src/services/team-aware-mcp-handler.ts` +- Purpose: Team-filtered tool discovery and execution +- Dependencies: DynamicConfigManager, RemoteToolDiscoveryManager + +### Route Integration + +**Updated MCP Routes:** +- Files: `services/satellite/src/routes/mcp.ts`, `services/satellite/src/routes/sse.ts` +- Authentication: Bearer token required for all MCP endpoints +- Scopes: `mcp:read` for discovery, `mcp:tools:execute` for execution +- CORS: OPTIONS endpoints remain unauthenticated + +**Server Configuration:** +- File: `services/satellite/src/server.ts` +- Integration: OAuth services initialized after satellite registration +- Swagger: Updated with Bearer authentication security scheme + +## OAuth Scopes and Permissions + +### Supported OAuth Scopes + +**mcp:read:** +- Required for tool discovery (`tools/list`) +- Required for SSE connection establishment +- Required for MCP transport initialization + +**mcp:tools:execute:** +- Required for tool execution (`tools/call`) +- Required for MCP JSON-RPC message sending +- Includes read permissions implicitly + +### Team-Based Access Control + +**Team Resolution:** +- Team context extracted from validated OAuth token +- No hardcoded team configuration in satellite +- Dynamic team filtering based on token validation response +- Supports multiple teams per user + +**Tool Filtering:** +- Tools filtered based on team's MCP server installations +- Team-MCP server mappings from Backend database (`mcpServerInstallations` table) +- Access control enforced before tool execution +- Complete team isolation maintained + +## MCP Client Integration + +### Dynamic Client Registration Support + +The satellite now supports MCP clients that use RFC 7591 Dynamic Client Registration: + +**VS Code MCP Extension:** +- Automatic client registration via Backend `/api/oauth2/register` +- Client ID caching for improved user experience +- Persistent storage survives VS Code restarts +- Long-lived tokens (1-week access, 30-day refresh) + +**Cursor MCP Client:** +- Dynamic registration with `cursor://` redirect URIs +- Team-scoped tool access +- Automatic token refresh handling + +**Claude.ai Custom Connector:** +- Registration with `https://claude.ai/mcp/auth/callback` +- OAuth 2.1 compliant authentication flow +- Team-aware tool discovery + +**Cline MCP Client:** +- VS Code extension integration +- Shared client registration with VS Code patterns +- Consistent authentication experience + +### Client Authentication Flow + +**First-Time Authentication:** +1. MCP client attempts to connect to satellite +2. Satellite returns 401 with registration guidance +3. Client registers via Backend `/api/oauth2/register` +4. Client receives unique client_id (e.g., `dyn_1757880447836_uvze3d0yc`) +5. Client initiates OAuth flow with Backend +6. User authorizes in browser with team selection +7. Client receives Bearer token +8. Client connects to satellite with token +9. Satellite validates token and establishes SSE connection + +**Subsequent Authentications:** +1. MCP client uses cached client_id +2. Client uses stored refresh token if access token expired +3. Client connects directly to satellite with valid token +4. Satellite validates token via introspection (with caching) +5. SSE connection established immediately + +## Development Setup + +### Environment Configuration + +**Required Environment Variables:** +```bash +# Satellite identity +DEPLOYSTACK_SATELLITE_NAME=dev-satellite-001 +DEPLOYSTACK_BACKEND_URL=http://localhost:3000 + +# Optional configuration +PORT=3001 +HOST=0.0.0.0 +LOG_LEVEL=debug +``` + +**Removed Environment Variables:** +- `DEPLOYSTACK_TEAM_ID` - Team context comes from OAuth tokens +- `DEPLOYSTACK_TEAM_NAME` - Team context comes from OAuth tokens + +### Local Development Setup + +**Clone and Setup:** +```bash +git clone https://github.com/deploystackio/deploystack.git +cd deploystack/services/satellite +npm install +cp .env.example .env +# Edit DEPLOYSTACK_SATELLITE_NAME and DEPLOYSTACK_BACKEND_URL +npm run dev +``` + +**Backend Dependency:** +```bash +# Start backend first (required for satellite operation) +cd services/backend +npm run dev +# Backend runs on http://localhost:3000 +``` + +**Satellite Startup:** +```bash +cd services/satellite +npm run dev +# Satellite runs on http://localhost:3001 +# API docs: http://localhost:3001/documentation +``` + +## Token Validation Implementation + +### Token Introspection Flow + +**Cache-First Validation:** +```typescript +// 1. Check 5-minute cache first +const cacheKey = this.hashToken(token); +const cached = this.tokenCache.get(cacheKey); + +// 2. Call Backend introspection if cache miss +const introspectionResponse = await this.callIntrospectionEndpoint(token); + +// 3. Validate token is active and extract team context +if (introspectionResponse.active) { + const result = { + valid: true, + user: { id: introspectionResponse.sub, username: introspectionResponse.username }, + team: { + id: introspectionResponse.team_id, + name: introspectionResponse.team_name, + role: introspectionResponse.team_role, + permissions: introspectionResponse.team_permissions + }, + scopes: introspectionResponse.scope.split(' ') + }; +} +``` + +### Backend Introspection Integration + +**Introspection Request:** +```typescript +const response = await fetch(`${backendUrl}/api/oauth2/introspect`, { + method: 'POST', + headers: { + 'Authorization': `Bearer ${satelliteApiKey}`, + 'Content-Type': 'application/json' + }, + body: JSON.stringify({ token: token }), + signal: AbortSignal.timeout(10000) +}); +``` + +**Response Processing:** +- `active: true` - Token is valid, extract team context +- `active: false` - Token invalid, return authentication error +- Team context includes: team_id, team_name, team_role, team_permissions + +## Team-Aware Tool Discovery + +### Tool Filtering Implementation + +**Team Server Access:** +```typescript +private getTeamAllowedServers(teamId: string): string[] { + const currentConfig = this.configManager.getCurrentConfiguration(); + const allowedServers: string[] = []; + + for (const [serverName, serverConfig] of Object.entries(currentConfig.servers)) { + if (serverConfig.enabled === false) continue; + + // TODO: Filter based on team-MCP server mappings from backend + // Currently allows all enabled servers for all teams + allowedServers.push(serverName); + } + + return allowedServers; +} +``` + +**Tool List Filtering:** +```typescript +async handleTeamAwareToolsList(teamId?: string): Promise { + const allCachedTools = this.toolDiscoveryManager.getCachedTools(); + const teamAllowedServers = this.getTeamAllowedServers(teamId); + + const teamFilteredTools = allCachedTools.filter(tool => + teamAllowedServers.includes(tool.serverName) + ); + + return { tools: teamFilteredTools.map(tool => ({ + name: tool.namespacedName, + description: tool.description, + inputSchema: tool.inputSchema + }))}; +} +``` + +### Tool Execution Validation + +**Access Control Check:** +```typescript +async handleTeamAwareToolsCall(params: any, requestId: any, teamId?: string): Promise { + const namespacedToolName = params.name; + const serverName = namespacedToolName.substring(0, namespacedToolName.indexOf('-')); + + const teamAllowedServers = this.getTeamAllowedServers(teamId); + + if (!teamAllowedServers.includes(serverName)) { + throw new Error(`Access denied: Team does not have permission to use server '${serverName}'`); + } + + // Delegate to base handler for execution + return await this.baseHandler.handleMcpRequest(baseRequest); +} +``` + +## Authentication Middleware Integration + +### Fastify Route Protection + +**MCP Route Authentication:** +```typescript +server.get('/sse', { + preValidation: [ + requireAuthentication(tokenIntrospectionService), + requireScope('mcp:read') + ], + // ... route handler +}); + +server.post('/mcp', { + preValidation: [ + requireAuthentication(tokenIntrospectionService), + requireScope('mcp:tools:execute') + ], + // ... route handler +}); +``` + +### Authentication Context + +**Request Context Extension:** +```typescript +declare module 'fastify' { + interface FastifyRequest { + auth?: { + user: { id: string; username: string }; + team: { id: string; name: string; role: string; permissions: string[] }; + scopes: string[]; + client_id?: string; + }; + } +} +``` + +**Context Usage in Routes:** +```typescript +server.log.info({ + operation: 'mcp_request', + userId: request.auth?.user.id, + teamId: request.auth?.team.id, + clientId: request.auth?.client_id, + method: message?.method +}, 'Authenticated MCP request'); +``` + +## Error Handling Implementation + +### Authentication Errors + +**401 Unauthorized Response:** +```typescript +function sendAuthenticationRequired(reply: FastifyReply) { + const backendUrl = process.env.DEPLOYSTACK_BACKEND_URL; + + const wwwAuthenticate = `Bearer realm="DeployStack MCP Satellite", ` + + `authorizationUri="${backendUrl}/api/oauth2/auth", ` + + `tokenUri="${backendUrl}/api/oauth2/token", ` + + `registrationUri="${backendUrl}/api/oauth2/register"`; + + const errorResponse = { + jsonrpc: '2.0', + error: { + code: -32001, + message: 'Authentication required', + data: { + message: 'Bearer token required for MCP access', + authorization_uri: `${backendUrl}/api/oauth2/auth`, + token_uri: `${backendUrl}/api/oauth2/token`, + registration_uri: `${backendUrl}/api/oauth2/register`, + flow: 'Dynamic client registration available for MCP clients' + } + }, + id: null + }; + + return reply + .status(401) + .header('WWW-Authenticate', wwwAuthenticate) + .type('application/json') + .send(JSON.stringify(errorResponse)); +} +``` + +### Scope Validation Errors + +**403 Insufficient Scope Response:** +```typescript +function sendInsufficientScopeError(reply: FastifyReply, requiredScope: string) { + const errorResponse = { + jsonrpc: '2.0', + error: { + code: -32004, + message: 'Insufficient scope', + data: { + message: `Token missing required scope: ${requiredScope}`, + required_scope: requiredScope, + available_scopes: ['mcp:read', 'mcp:tools:execute', 'offline_access'] + } + }, + id: null + }; + + return reply.status(403).type('application/json').send(JSON.stringify(errorResponse)); +} +``` + +## Performance Characteristics + +### Token Validation Caching + +**Cache Configuration:** +- Cache TTL: 5 minutes +- Cache key: Hashed token (security) +- Memory usage: ~1KB per cached token +- Cleanup: Automatic expired token removal every 5 minutes + +**Cache Implementation:** +```typescript +private tokenCache: Map; + +// Cache hit +if (cached && cached.expires > Date.now()) { + return cached.result; +} + +// Cache miss - call backend +const introspectionResponse = await this.callIntrospectionEndpoint(token); + +// Cache result +this.tokenCache.set(cacheKey, { + result, + expires: Date.now() + (5 * 60 * 1000) +}); +``` + +### Multi-Team Scalability + +**Team Limits:** +- No hard limit on concurrent teams (memory-bound) +- Supports 100+ teams simultaneously +- Tool filtering: O(n) where n = team's MCP servers +- Memory efficiency: Shared tool cache across all teams + +**Performance Optimization:** +- Connection pooling to Backend for introspection +- Async token validation pipeline +- Efficient team-server mapping lookups + +## Integration with Backend Systems + +### Backend Communication + +**Introspection Endpoint:** +- URL: `${DEPLOYSTACK_BACKEND_URL}/api/oauth2/introspect` +- Authentication: Satellite API key (Bearer token) +- Timeout: 10 seconds +- Retry: Handled by existing backend client + +**Team-MCP Server Mappings:** +- Source: Backend database `mcpServerInstallations` table +- Delivery: Via existing backend polling system +- Update: Dynamic configuration sync +- Storage: In-memory via DynamicConfigManager + +### Configuration Integration + +**Dynamic Configuration:** +```typescript +// Team-MCP server mappings come via existing polling system +const currentConfig = this.configManager.getCurrentConfiguration(); + +// Filter servers based on team access (future implementation) +for (const [serverName, serverConfig] of Object.entries(currentConfig.servers)) { + if (serverConfig.enabled && teamHasAccess(teamId, serverName)) { + allowedServers.push(serverName); + } +} +``` + +## Development Patterns + +### Service Initialization + +**Server Startup Integration:** +```typescript +// Initialize after satellite registration +if (registrationResult.success && registrationResult.satellite) { + backendClient.setApiKey(registrationResult.satellite.api_key); + + // Initialize OAuth services + const tokenIntrospectionService = new TokenIntrospectionService(backendClient, server.log); + const teamAwareMcpHandler = new TeamAwareMcpHandler( + mcpProtocolHandler, + dynamicConfigManager, + toolDiscoveryManager, + server.log + ); + + // Store for route access + server.decorate('tokenIntrospectionService', tokenIntrospectionService); + server.decorate('teamAwareMcpHandler', teamAwareMcpHandler); +} +``` + +### Logging Patterns + +**Authentication Events:** +```typescript +// Successful authentication +request.log.debug({ + operation: 'authentication_success', + userId: request.auth.user.id, + teamId: request.auth.team.id, + clientId: request.auth.client_id, + scopes: request.auth.scopes +}, 'Authentication successful'); + +// Team tool access +this.logger.info({ + operation: 'team_tool_access_granted', + team_id: teamId, + server_name: serverName, + namespaced_tool_name: namespacedToolName +}, `Team ${teamId} has access to server ${serverName}`); +``` + +### Error Handling Patterns + +**Service Error Handling:** +```typescript +try { + const validationResult = await introspectionService.validateToken(token); + if (!validationResult.valid) { + return sendInvalidTokenError(reply, request, validationResult); + } +} catch (error) { + request.log.error({ + operation: 'authentication_middleware_error', + error: error instanceof Error ? error.message : String(error) + }, 'Authentication middleware error'); + return sendServerError(reply, request); +} +``` + +## Testing and Validation + +### Local Testing Setup + +**Backend OAuth Token Generation:** +```bash +# Method 1: Client Credentials Flow (simplest for testing) +curl -X POST http://localhost:3000/api/oauth2/token \ + -H "Content-Type: application/x-www-form-urlencoded" \ + -d "grant_type=client_credentials&client_id=test_client&client_secret=test_secret&scope=mcp:read mcp:tools:execute&team=" + +# Method 2: Authorization Code Flow with PKCE (production flow) +# Step 1: Generate PKCE parameters +node -e " +const crypto = require('crypto'); +const verifier = crypto.randomBytes(32).toString('base64url'); +const challenge = crypto.createHash('sha256').update(verifier).digest('base64url'); +console.log('Verifier:', verifier); +console.log('Challenge:', challenge); +" + +# Step 2: Authorization request (browser) +http://localhost:3000/api/oauth2/auth?response_type=code&client_id=test_client&redirect_uri=http://localhost:3000/callback&scope=mcp:read%20mcp:tools:execute&team=&state=abc123&code_challenge=&code_challenge_method=S256 + +# Step 3: Token exchange +curl -X POST http://localhost:3000/api/oauth2/token \ + -H "Content-Type: application/x-www-form-urlencoded" \ + -d "grant_type=authorization_code&code=&client_id=test_client&redirect_uri=http://localhost:3000/callback&code_verifier=" +``` + +### Authentication Testing + +**Test Unauthenticated Access:** +```bash +curl -X GET "http://localhost:3001/sse" +# Expected: 401 with WWW-Authenticate header +``` + +**Test Authenticated Access:** +```bash +curl -X GET "http://localhost:3001/sse" \ + -H "Authorization: Bearer " +# Expected: SSE stream establishment +``` + +**Test Team-Filtered Tool Discovery:** +```bash +curl -X POST "http://localhost:3001/mcp" \ + -H "Authorization: Bearer " \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"tools/list","params":{}}' +# Expected: Tools filtered by team's MCP server access +``` + +### Multi-Team Validation + +**Test Different Team Tokens:** +```bash +# Team A token +curl -X POST "http://localhost:3001/mcp" \ + -H "Authorization: Bearer " \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"tools/list","params":{}}' + +# Team B token +curl -X POST "http://localhost:3001/mcp" \ + -H "Authorization: Bearer " \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"tools/list","params":{}}' + +# Expected: Different tool lists based on each team's MCP server installations +``` + +## Security Implementation + +### Token Security + +**Token Handling:** +- Never log actual token values +- Use hashed tokens for cache keys +- Clear tokens from memory after use +- 10-second timeout for introspection requests + +**Cache Security:** +```typescript +private hashToken(token: string): string { + let hash = 0; + for (let i = 0; i < token.length; i++) { + const char = token.charCodeAt(i); + hash = ((hash << 5) - hash) + char; + hash = hash & hash; + } + return hash.toString(); +} +``` + +### Team Isolation + +**Complete Separation:** +- Teams only see tools from their MCP server installations +- Access control enforced before tool execution +- Audit logging with team context +- No cross-team access possible + +**Access Validation:** +```typescript +// Validate team has access to MCP server before tool execution +const teamAllowedServers = this.getTeamAllowedServers(teamId); + +if (!teamAllowedServers.includes(serverName)) { + throw new Error(`Access denied: Team does not have permission to use server '${serverName}'`); +} +``` + +## MCP Client Configuration + +### Claude.ai Custom Connector + +**Configuration Example:** +```json +{ + "name": "DeployStack Team MCP", + "description": "Team-scoped MCP access via DeployStack Satellite", + "url": "http://localhost:3001/sse", + "auth": { + "type": "oauth2", + "authorization_url": "http://localhost:3000/api/oauth2/auth", + "token_url": "http://localhost:3000/api/oauth2/token", + "client_id": "claude_ai_mcp_client", + "scopes": ["mcp:read", "mcp:tools:execute"], + "additional_parameters": { + "team": "your_team_id" + } + } +} +``` + +### VS Code MCP Extension + +**Configuration Example:** +```json +{ + "mcpServers": { + "deploystack-team": { + "command": "mcp-client", + "args": ["--transport", "sse"], + "env": { + "MCP_SERVER_URL": "http://localhost:3001/sse", + "OAUTH_AUTHORIZATION_URL": "http://localhost:3000/api/oauth2/auth", + "OAUTH_TOKEN_URL": "http://localhost:3000/api/oauth2/token", + "OAUTH_CLIENT_ID": "vscode_mcp_client", + "OAUTH_SCOPES": "mcp:read mcp:tools:execute", + "OAUTH_TEAM": "your_team_id" + } + } + } +} +``` + +## Troubleshooting + +### Common Issues + +**"Token introspection failed: HTTP 401":** +- Check satellite API key is set correctly +- Verify backend is running and accessible +- Ensure satellite is registered with backend + +**"Authentication failed - token not active":** +- Check token format and expiry +- Verify token was issued by correct backend +- Ensure team exists in backend database + +**"Access denied: Team does not have permission":** +- Verify team has MCP server installations in backend +- Check team-MCP server mappings in database +- Ensure user is member of the team + +**"Token validation cache not working":** +- Check token hashing function +- Verify cache TTL settings (5 minutes) +- Monitor cache cleanup logs + +### Debug Logging + +**Enable Debug Logging:** +```bash +LOG_LEVEL=debug npm run dev +``` + +**Key Log Operations:** +- `token_validation_cache_hit` - Cache performance +- `authentication_success` - Successful token validation +- `team_tool_access_granted` - Team access validation +- `token_cache_cleanup` - Cache maintenance + +## Integration Status + +### Current Implementation + +**Completed Features:** +- Multi-team token introspection with 5-minute caching +- Team-aware tool discovery and filtering +- OAuth 2.1 Resource Server with scope validation +- Authentication middleware with proper error handling +- Integration with existing backend polling system +- Swagger documentation with Bearer authentication +- RFC 7591 Dynamic Client Registration support +- Database-backed persistent client storage +- VS Code MCP extension authentication (tested and working) +- Support for Cursor, Claude.ai, and Cline MCP clients + +**Backend Integration:** +- Uses existing satellite registration system +- Leverages existing backend polling for team-MCP server mappings +- Integrates with existing tool discovery and configuration systems +- Maintains all existing MCP transport functionality +- Database-backed client storage survives backend restarts +- Supports both static and dynamic OAuth clients + +**Verified MCP Client Support:** +- VS Code MCP Extension: Full OAuth flow tested and working +- Dynamic client registration: RFC 7591 compliant implementation +- Client ID caching: Persistent across client restarts +- Token refresh: Long-lived access for MCP clients +- Team isolation: Complete separation of team resources + +The OAuth authentication implementation provides enterprise-grade security with complete team isolation while maintaining the existing satellite architecture and performance characteristics. The database-backed storage ensures MCP clients can cache credentials and maintain persistent authentication across sessions. + + +**Implementation Status**: OAuth authentication is fully implemented and operational with database-backed dynamic client registration. The system successfully authenticates MCP clients (including VS Code, Cursor, Claude.ai, and Cline) with team-aware access control, filters tools based on team permissions, and maintains complete team isolation while preserving all existing satellite functionality. Dynamic client registration enables seamless MCP client integration with persistent authentication. + diff --git a/docs/development/satellite/polling.mdx b/docs/development/satellite/polling.mdx new file mode 100644 index 0000000..8e2d338 --- /dev/null +++ b/docs/development/satellite/polling.mdx @@ -0,0 +1,431 @@ +--- +title: Backend Polling Implementation +description: Technical implementation of satellite-to-backend polling system for command orchestration and configuration management. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# Backend Polling Implementation + +The DeployStack Satellite implements a sophisticated HTTP polling system for outbound-only communication with the backend. This firewall-friendly approach enables command orchestration, configuration synchronization, and status reporting without requiring inbound connections to the satellite. + +## Polling Architecture + +### Core Components + +The polling system consists of four integrated services: + +``` +┌─────────────────────────────────────────────────────────────────────────────────┐ +│ Satellite Polling Architecture │ +│ │ +│ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐ │ +│ │ Command Polling │ │ Dynamic Config │ │ Command │ │ +│ │ Service │ │ Manager │ │ Processor │ │ +│ │ │ │ │ │ │ │ +│ │ • Adaptive Poll │ │ • MCP Server │ │ • HTTP Proxy │ │ +│ │ • Command Queue │ │ Config Sync │ │ Management │ │ +│ │ • Error Backoff │ │ • Validation │ │ • Health Checks │ │ +│ └─────────────────┘ └─────────────────┘ └─────────────────┘ │ +│ │ +│ ┌─────────────────────────────────────────────────────────────────────────┐ │ +│ │ Heartbeat Service │ │ +│ │ │ │ +│ │ • Process Status Reporting • System Metrics Collection │ │ +│ │ • 30-second Intervals • Error Count Tracking │ │ +│ └─────────────────────────────────────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────────────────────────────────────┘ +``` + +### Service Integration Flow + +``` +Startup → Registration → Polling Start → Configuration Sync → Command Processing + │ │ │ │ │ +Backend API Key Poll Timer MCP Servers HTTP Proxy +Connect Received Started Updated Ready +``` + +## Command Polling Service + +### Adaptive Polling Strategy + +The polling service implements priority-based polling with automatic mode transitions: + +**Immediate Mode (2 seconds):** +- Activated when `immediate` priority commands are pending +- Used for MCP installations and critical updates +- Enables 3-second end-to-end response time goal +- Automatically returns to normal mode when immediate commands are processed + +**High Priority Mode (10 seconds):** +- Activated when `high` priority commands are pending +- Used for MCP deletions and configuration changes +- Balances urgency with resource efficiency + +**Normal Mode (30 seconds):** +- Activated when only `normal` priority commands are pending +- Used for routine maintenance and non-urgent tasks +- Default polling interval for steady-state operation + +**Slow Mode (60 seconds):** +- Used when no commands are pending +- Minimizes backend load during idle periods +- Automatically switches to faster modes when commands arrive + +**Error Mode (exponential backoff):** +- Activated when polling requests fail +- Starts at current interval, doubles on each failure +- Maximum backoff of 300 seconds (5 minutes) +- Resets to appropriate priority mode on successful poll + +### Polling Implementation + +```typescript +class CommandPollingService { + private currentPollingMode: 'immediate' | 'normal' | 'error' = 'normal'; + private currentInterval: number = 30; // seconds + + private async pollForCommands(): Promise { + const queryParams = new URLSearchParams(); + queryParams.set('last_poll', this.lastPollTime.toISOString()); + queryParams.set('limit', '10'); + + const response = await fetch( + `${backendUrl}/api/satellites/${satelliteId}/commands?${queryParams}`, + { + headers: { 'Authorization': `Bearer ${apiKey}` }, + signal: AbortSignal.timeout(15000) + } + ); + + const pollResponse = await response.json(); + this.updatePollingStrategy( + pollResponse.polling_mode, + pollResponse.next_poll_interval + ); + } +} +``` + +### Command Processing Pipeline + +Commands flow through a structured processing pipeline: + +1. **Command Validation**: Payload validation and format checking +2. **Command Routing**: Route to appropriate processor based on command type +3. **Execution**: Process command with error handling and timeout +4. **Result Reporting**: Send execution results back to backend + +**Supported Command Types:** +- `configure` - Update MCP server configuration +- `spawn` - Start HTTP MCP server proxy +- `kill` - Stop HTTP MCP server proxy +- `restart` - Restart HTTP MCP server proxy +- `health_check` - Perform health checks on all servers + +## Dynamic Configuration Management + +### Configuration Sync Process + +The satellite replaces hardcoded MCP server configurations with dynamic updates from the backend: + +```typescript +interface ConfigurationUpdate { + mcp_servers: Record; + polling_intervals?: { + normal: number; + immediate: number; + error_backoff_max: number; + }; + resource_limits?: { + max_processes: number; + max_memory_per_process: string; + }; +} +``` + +### Configuration Validation + +All incoming configurations undergo strict validation: + +**Server Configuration Validation:** +- URL format validation using `new URL()` +- Server type restriction to 'http' only +- Timeout value validation (positive numbers) +- Required field presence checking + +**Configuration Change Detection:** +- Deep comparison of server configurations +- Identification of added, removed, and modified servers +- Structured logging of all configuration changes + +### Integration with Existing Services + +Configuration updates trigger cascading updates across satellite services: + +``` +Config Update → Dynamic Config Manager → HTTP Proxy Manager → Tool Discovery Manager + │ │ │ │ + Validate Apply Changes Re-initialize Rediscover Tools + Changes Update Cache Proxy Routes Update Cache +``` + +## HTTP Proxy Management Integration + +### Dynamic Server Registration + +The HTTP Proxy Manager integrates with the dynamic configuration system: + +```typescript +class HttpProxyManager { + private configManager?: DynamicConfigManager; + + async handleConfigurationUpdate(config: DynamicMcpServersConfig): Promise { + // Re-initialize proxy routes with new server configurations + await this.initialize(); + } +} +``` + +### Server Health Monitoring + +The command processor implements health checking for HTTP MCP servers: + +```typescript +private async checkServerHealth(processInfo: ProcessInfo): Promise { + const response = await fetch(serverConfig.url, { + method: 'POST', + headers: { 'Content-Type': 'application/json', ...serverConfig.headers }, + body: JSON.stringify({ + jsonrpc: '2.0', + id: 'health-check', + method: 'tools/list', + params: {} + }), + signal: AbortSignal.timeout(serverConfig.timeout || 10000) + }); + + return { + health_status: response.ok ? 'healthy' : 'unhealthy', + response_time_ms: Date.now() - startTime + }; +} +``` + +## Tool Discovery Integration + +### Dynamic Tool Rediscovery + +The Remote Tool Discovery Manager integrates with configuration updates: + +```typescript +class RemoteToolDiscoveryManager { + async handleConfigurationUpdate(config: DynamicMcpServersConfig): Promise { + // Reset and rediscover tools from updated server configurations + this.isInitialized = false; + this.cachedTools = []; + await this.initialize(); + } +} +``` + +### Tool Cache Management + +Tool discovery maintains an in-memory cache that updates when server configurations change: + +- **Cache Invalidation**: Complete cache reset on configuration changes +- **Namespace Preservation**: Tools maintain server-prefixed naming +- **Error Resilience**: Failed discoveries don't block other servers +- **Performance Optimization**: Memory-only storage for fast access + +## Error Handling and Recovery + +### Polling Error Recovery + +The polling service implements comprehensive error handling: + +**Network Errors:** +- Automatic retry with exponential backoff +- Maximum backoff limit of 300 seconds +- Connection timeout handling (15 seconds) +- Graceful degradation on persistent failures + +**Authentication Errors:** +- 401 Unauthorized handling +- API key validation logging +- Structured error reporting to logs + +**Configuration Errors:** +- Invalid server configuration rejection +- Partial configuration application +- Rollback to previous working configuration + +### Command Execution Error Handling + +Command processing includes robust error handling: + +```typescript +async processCommand(command: SatelliteCommand): Promise { + try { + // Execute command with timeout and error handling + const result = await this.executeCommand(command); + return { command_id: command.id, status: 'completed', result }; + + } catch (error) { + return { + command_id: command.id, + status: 'failed', + error: error.message + }; + } +} +``` + +## Heartbeat Integration + +### Process Status Reporting + +The heartbeat service integrates with the command processor to report process status: + +```typescript +class HeartbeatService { + setCommandProcessor(commandProcessor: CommandProcessor): void { + this.commandProcessor = commandProcessor; + } + + private async sendHeartbeat(): Promise { + const processes = this.commandProcessor ? + this.commandProcessor.getAllProcesses() : []; + + const payload = { + status: 'active', + system_metrics: await this.collectSystemMetrics(), + processes: processes, + error_count: 0, + version: '0.1.0' + }; + } +} +``` + +### System Metrics Collection + +Current system metrics include: + +- **Memory Usage**: Node.js heap usage in MB +- **Process Uptime**: Satellite process uptime in seconds +- **Process Count**: Number of managed HTTP proxy processes +- **Error Count**: Recent error count for health assessment + +## Development Integration + +### Service Initialization Order + +The polling system requires specific initialization order: + +```typescript +// 1. Backend connection and registration +const backendClient = new BackendClient(backendUrl, logger); +await backendClient.testConnection(); +const registration = await backendClient.registerSatellite(data); + +// 2. Configuration and processing services +const dynamicConfigManager = new DynamicConfigManager(logger); +const commandProcessor = new CommandProcessor(logger, dynamicConfigManager); + +// 3. HTTP proxy and tool discovery with config integration +const httpProxyManager = new HttpProxyManager(server, logger); +httpProxyManager.setConfigManager(dynamicConfigManager); + +const toolDiscoveryManager = new RemoteToolDiscoveryManager(logger); +toolDiscoveryManager.setConfigManager(dynamicConfigManager); + +// 4. Polling service with handlers +const commandPollingService = new CommandPollingService(satelliteId, backendClient, logger); +commandPollingService.setConfigurationUpdateHandler(handleConfigUpdate); +commandPollingService.setCommandHandler(handleCommand); +commandPollingService.start(); +``` + +### Environment Configuration + +Polling behavior is controlled by environment variables: + +```bash +# Backend connection +DEPLOYSTACK_BACKEND_URL=http://localhost:3000 + +# Satellite identification +DEPLOYSTACK_SATELLITE_NAME=dev-satellite-001 + +# Logging level affects polling debug output +LOG_LEVEL=debug +``` + +## Performance Characteristics + +### Polling Efficiency + +The adaptive polling strategy optimizes resource usage: + +- **Normal Operations**: 30-second intervals minimize backend load +- **Immediate Response**: 2-second intervals for urgent commands +- **Error Backoff**: Exponential backoff prevents cascade failures +- **Network Optimization**: Query parameters reduce response size + +### Memory Usage + +The polling system maintains minimal memory footprint: + +- **Configuration Cache**: ~1KB per MCP server configuration +- **Command Queue**: Temporary storage for pending commands +- **Tool Cache**: ~1KB per discovered tool +- **Process Tracking**: Minimal metadata per HTTP proxy process + +### Network Traffic + +Polling generates predictable network patterns: + +- **Command Polling**: Small JSON requests every 30 seconds (normal mode) +- **Configuration Sync**: Infrequent larger payloads on configuration changes +- **Heartbeats**: Regular status reports every 30 seconds +- **Command Results**: Small JSON responses after command execution + + +**Implementation Status**: The polling system is fully implemented and operational. It successfully handles command orchestration, configuration synchronization, and status reporting through outbound-only HTTP communication with the backend. + + +## Troubleshooting + +### Common Issues + +**401 Unauthorized Errors:** +- Indicates missing backend endpoints for satellite management +- Expected during development when backend endpoints are not implemented +- Satellite continues normal operation, polling will succeed once endpoints exist + +**Configuration Validation Failures:** +- Check server URL format and accessibility +- Verify server type is set to 'http' +- Ensure timeout values are positive numbers + +**Polling Failures:** +- Check backend connectivity and availability +- Verify satellite API key is valid +- Monitor exponential backoff behavior in logs + +### Debug Logging + +Enable debug logging to monitor polling behavior: + +```bash +LOG_LEVEL=debug npm run dev +``` + +Debug logs include: +- Polling attempt details and timing +- Configuration update processing +- Command execution results +- Error handling and recovery actions diff --git a/docs/development/satellite/registration.mdx b/docs/development/satellite/registration.mdx new file mode 100644 index 0000000..5a8fa04 --- /dev/null +++ b/docs/development/satellite/registration.mdx @@ -0,0 +1,325 @@ +--- +title: Satellite Registration +description: Complete guide to DeployStack Satellite registration process - environment variables, validation rules, upsert logic, and database integration. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# Satellite Registration + +DeployStack Satellite implements automatic registration with the Backend during startup. This document covers the complete registration process, environment variable requirements, validation rules, and upsert logic for satellite restarts. + +## Registration Overview + +### Automatic Registration Flow + +Satellites register automatically during startup following this sequence: + +``` +Satellite Startup + │ + ├── 1. Validate DEPLOYSTACK_SATELLITE_NAME + │ ├── Length: 10-32 characters + │ ├── Characters: a-z, 0-9, -, _ + │ └── Fail-fast if invalid + │ + ├── 2. Test Backend Connection + │ ├── GET /api/health (5s timeout) + │ └── Exit if unreachable + │ + ├── 3. Register with Backend + │ ├── POST /api/satellites/register + │ ├── Upsert logic (create or update) + │ └── Receive API key + │ + └── 4. Start MCP Transport Services + ├── SSE Handler + ├── Streamable HTTP Handler + └── Session Manager +``` + +### Upsert Registration Logic + +The registration endpoint implements **upsert behavior** to handle satellite restarts: + +- **First Registration**: Creates new satellite record in database +- **Re-Registration**: Updates existing satellite record with new API key and system info +- **No Conflicts**: Satellite restarts work seamlessly without 409 errors + +## Environment Variables + +### Required Configuration + +```bash +# Mandatory satellite identity +DEPLOYSTACK_SATELLITE_NAME=dev-satellite-001 + +# Backend connection +DEPLOYSTACK_BACKEND_URL=http://localhost:3000 +``` + +### Security Model + +All satellites register with secure defaults controlled by the backend: + +- **Satellite Type**: Always `global` (backend-controlled) +- **Status**: Always `inactive` (requires admin activation) +- **Team Assignment**: Always `null` (admin-controlled via backend interface) + +## Satellite Name Validation + +### Validation Rules + +The `DEPLOYSTACK_SATELLITE_NAME` environment variable must meet strict requirements: + +**Length Constraints:** +- Minimum: 10 characters +- Maximum: 32 characters + +**Character Constraints:** +- Allowed: lowercase letters (a-z), numbers (0-9), hyphens (-), underscores (_) +- Forbidden: uppercase letters, spaces, special characters + +**Valid Examples:** +```bash +dev-satellite-001 +production_worker_main +team-europe-01 +staging_mcp_server +``` + +**Invalid Examples:** +```bash +Dev-Satellite-001 # Uppercase letters +dev satellite 001 # Spaces +dev@satellite#001 # Special characters +dev-sat # Too short (< 10 chars) +very-long-satellite-name-that-exceeds-limit # Too long (> 32 chars) +``` + +### Fail-Fast Validation + +Satellite validates the name **before any other operations** and exits immediately with clear German error messages: + +```bash +❌ FATAL ERROR: DEPLOYSTACK_SATELLITE_NAME ist erforderlich + Bitte setze die Environment Variable DEPLOYSTACK_SATELLITE_NAME + Beispiel: DEPLOYSTACK_SATELLITE_NAME=dev-satellite-001 + +❌ FATAL ERROR: Satellite Name zu kurz + Aktuell: "dev-sat" (7 Zeichen) + Minimum: 10 Zeichen erforderlich + +❌ FATAL ERROR: Ungültiger Satellite Name + Aktuell: "Dev-Satellite-001" + Erlaubt: Nur lowercase Buchstaben (a-z), Zahlen (0-9), - und _ + Keine Leerzeichen oder Großbuchstaben erlaubt +``` + +## Registration Data Structure + +### System Information Collection + +Satellites automatically collect and send system information during registration: + +```typescript +interface SatelliteRegistrationData { + name: string; // From DEPLOYSTACK_SATELLITE_NAME + capabilities: string[]; // ['stdio', 'http', 'sse'] + system_info: { + os: string; // e.g., "darwin arm64" + arch: string; // e.g., "arm64" + node_version: string; // e.g., "v18.17.0" + memory_mb: number; // Total system memory + }; +} +``` + +**Backend-Controlled Fields:** +- `satellite_type`: Always set to `'global'` by backend +- `team_id`: Always set to `null` by backend (admin can change later) +- `status`: Always set to `'inactive'` by backend (requires admin activation) + +### MCP Server Capabilities + +Satellites report their supported MCP server types: + +- **stdio**: Local MCP servers as child processes +- **http**: HTTP MCP servers (planned) +- **sse**: SSE MCP servers (planned) + +## Database Integration + +### Satellite Tables + +The Backend maintains satellite state across five database tables: + +- **satellites**: Core satellite registry and configuration +- **satelliteCommands**: Command queue for satellite management +- **satelliteProcesses**: MCP server process tracking +- **satelliteUsageLogs**: Usage analytics and audit trails +- **satelliteHeartbeats**: Health monitoring and status updates + +See `services/backend/src/db/schema.sqlite.ts` for complete schema definitions. + +### Registration Database Operations + +**New Satellite Registration:** +```sql +INSERT INTO satellites ( + id, name, satellite_type, team_id, status, + capabilities, api_key_hash, system_info, + created_by, created_at, updated_at +) VALUES ( + ?, ?, 'global', NULL, 'inactive', + ?, ?, ?, ?, ?, ? +); +``` + +**Satellite Re-Registration (Upsert):** +```sql +UPDATE satellites SET + satellite_type = 'global', + team_id = NULL, + status = 'inactive', + api_key_hash = ?, + system_info = ?, + capabilities = ?, + updated_at = ? +WHERE name = ?; +``` + +**Security Notes:** +- All satellites are created with `satellite_type='global'`, `team_id=NULL`, `status='inactive'` +- Admin activation required before satellite can be used +- Team assignment controlled via backend admin interface + +## Development Setup + +### Local Registration Testing + +```bash +# Clone and setup +git clone https://github.com/deploystackio/deploystack.git +cd deploystack/services/satellite +npm install + +# Configure satellite identity +cp .env.example .env +echo "DEPLOYSTACK_SATELLITE_NAME=dev-satellite-001" >> .env +echo "DEPLOYSTACK_BACKEND_URL=http://localhost:3000" >> .env + +# Start satellite (will auto-register) +npm run dev +``` + +### Expected Registration Output + +```bash +🔍 Validating satellite configuration... +✅ Satellite Name validiert: "dev-satellite-001" +[INFO] 🔗 Connecting to backend - required for satellite operation... +[INFO] ✅ Backend connection successful (49ms) +[INFO] 📡 Registering satellite with backend... +[INFO] ✅ Satellite registered successfully: dev-satellite-001 (k6hm1j7sy2radj8) +[INFO] 🔑 API key received and ready for authenticated communication +``` + +### Testing Satellite Restarts + +To verify upsert registration logic: + +```bash +# Start satellite +npm run dev +# Wait for successful registration + +# Stop satellite (Ctrl+C) +# Start again +npm run dev +# Should see "re-registered successfully" instead of conflict error +``` + +## Security Considerations + +### API Key Management + +- **Generation**: 32-byte cryptographically secure random keys +- **Storage**: Backend stores argon2 hash, satellite receives plain key +- **Rotation**: New API key generated on every registration +- **Scope**: API keys are scoped to satellite type (global vs team) + +### Centralized Security Model + +**All Satellites are Global:** +- Name uniqueness enforced globally across all satellites +- All satellites start as `inactive` and require admin activation +- Team assignment controlled exclusively by backend administrators +- No client-side configuration of security-sensitive parameters + +**Admin-Controlled Team Assignment:** +- Satellites can be assigned to teams via backend admin interface +- Team assignment changes satellite behavior and resource access +- Resource isolation enforced at runtime based on team assignment + +## Troubleshooting + +### Common Registration Issues + +**Missing Environment Variable:** +```bash +❌ FATAL ERROR: DEPLOYSTACK_SATELLITE_NAME ist erforderlich +``` +**Solution:** Set the required environment variable + +**Invalid Satellite Name:** +```bash +❌ FATAL ERROR: Ungültiger Satellite Name +``` +**Solution:** Follow naming rules (10-32 chars, lowercase only) + +**Backend Unreachable:** +```bash +❌ FATAL ERROR: Cannot reach DeployStack Backend +``` +**Solution:** Verify DEPLOYSTACK_BACKEND_URL and ensure backend is running + +### Debug Endpoints + +Use these endpoints to troubleshoot registration issues: + +```bash +# Check backend connection status +curl http://localhost:3001/api/status/backend + +# View satellite API documentation +open http://localhost:3001/documentation +``` + +## Implementation Status + +**Current Implementation:** +- ✅ Automatic registration during startup +- ✅ Mandatory DEPLOYSTACK_SATELLITE_NAME validation +- ✅ Upsert registration logic for restarts +- ✅ System information collection +- ✅ API key generation and management +- ✅ Database integration with 5 satellite tables +- ✅ Fail-fast validation with clear error messages +- ✅ Centralized security model (no client-controlled type/team assignment) +- ✅ Default inactive status requiring admin activation + +**Security Improvements:** +- ✅ All satellites register as `global` and `inactive` by default +- ✅ Team assignment controlled exclusively by backend administrators + +**Planned Features:** +- 🚧 Bearer token authentication for Backend communication +- 🚧 API key rotation and renewal +- 🚧 Registration status monitoring and alerts +- 🚧 Admin interface for satellite activation and team assignment + + +The satellite registration system is production-ready and handles both initial registration and restart scenarios seamlessly. The upsert logic ensures satellites can restart without manual intervention while maintaining security through API key rotation. + diff --git a/docs/development/satellite/team-isolation.mdx b/docs/development/satellite/team-isolation.mdx new file mode 100644 index 0000000..006c39a --- /dev/null +++ b/docs/development/satellite/team-isolation.mdx @@ -0,0 +1,286 @@ +--- +title: Team Isolation Implementation +description: Technical implementation of OAuth-based team separation in DeployStack Satellite for multi-tenant MCP server access control. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# Team Isolation Implementation + +DeployStack Satellite implements OAuth 2.1 Resource Server-based team isolation to provide secure multi-tenant access to MCP servers. This system ensures complete separation of team resources while maintaining a unified MCP client interface. + +For OAuth authentication details, see [OAuth Authentication Implementation](/development/satellite/oauth-authentication). For tool discovery mechanics, see [Tool Discovery Implementation](/development/satellite/tool-discovery). + +## Technical Architecture + +### Team Context Resolution + +Team isolation operates through OAuth token introspection that extracts team context from validated Bearer tokens: + +``` +MCP Client Request → OAuth Token → Token Introspection → Team Context → Resource Filtering + │ │ │ │ │ + Bearer Token Satellite API Backend Validation Team ID Allowed Servers + (team-scoped) Key Required 5-minute Cache Extraction Database Query +``` + +**Core Components:** +- **TokenIntrospectionService**: Validates tokens via Backend introspection endpoint +- **TeamAwareMcpHandler**: Filters MCP resources based on team permissions +- **DynamicConfigManager**: Provides team-server mappings from Backend polling +- **RemoteToolDiscoveryManager**: Caches tools with server association metadata + +### Team-Server Mapping Architecture + +Team isolation relies on database-backed server instance mappings: + +``` +Team "john" → Server Instance "context7-john-R36no6FGoMFEZO9nWJJLT" +Team "alice" → Server Instance "context7-alice-S47mp8GHpNGFZP0oWKKMU" +``` + +**Database Integration:** +- **mcpServerInstallations Table**: Links teams to specific MCP server instances +- **Dynamic Configuration**: Backend polling delivers team-server mappings +- **Server Instance Naming**: Format `{server_slug}-{team_slug}-{installation_id}` +- **Complete Isolation**: Teams cannot access other teams' server instances + +## Tool Discovery Integration + +### Friendly Tool Naming + +Tool discovery uses `server_slug` for user-friendly tool names while maintaining internal server routing: + +**User-Facing Names:** +- `context7-resolve-library-id` +- `context7-get-library-docs` + +**Internal Server Resolution:** +- Team "john": Routes to `context7-john-R36no6FGoMFEZO9nWJJLT` +- Team "alice": Routes to `context7-alice-S47mp8GHpNGFZP0oWKKMU` + +**Implementation Details:** +- **RemoteToolDiscoveryManager**: Creates friendly names using `config.server_slug` +- **CachedTool Interface**: Stores both `namespacedName` and `serverName` for routing +- **TeamAwareMcpHandler**: Resolves team context to actual server instances + +### Tool Filtering Process + +Team-aware tool filtering operates at the MCP protocol level: + +``` +tools/list Request → OAuth Team Context → Filter by Team Servers → Return Filtered Tools + │ │ │ │ + Bearer Token Team ID Extraction Database Lookup Team-Specific List + Validation from Token Cache Allowed Servers JSON-RPC Response +``` + +**Filtering Logic:** +1. **Token Validation**: Extract team ID from OAuth token introspection +2. **Server Resolution**: Query team's allowed MCP server instances +3. **Tool Filtering**: Include only tools from team's server instances +4. **Response Generation**: Return filtered tool list to MCP client + +## OAuth Integration Points + +### Authentication Middleware Integration + +Team isolation integrates with existing OAuth authentication middleware: + +**File References:** +- `services/satellite/src/middleware/auth-middleware.ts` - Bearer token validation +- `services/satellite/src/services/token-introspection-service.ts` - Token validation with caching +- `services/satellite/src/services/team-aware-mcp-handler.ts` - Team-filtered MCP operations + +**Authentication Flow:** +1. **Bearer Token Extraction**: From Authorization header +2. **Token Introspection**: Backend validation with 5-minute caching +3. **Team Context Storage**: In `request.auth.team` object +4. **MCP Request Processing**: Team-aware filtering applied + +### Token Introspection Response + +Backend token introspection provides team context: + +``` +Introspection Response: +{ + "active": true, + "sub": "user_id", + "team_id": "team_uuid", + "team_name": "john", + "team_role": "admin", + "scope": "mcp:read mcp:tools:execute" +} +``` + +**Team Context Fields:** +- **team_id**: Database UUID for team identification +- **team_name**: Human-readable team identifier (slug) +- **team_role**: User's role within the team +- **scope**: OAuth scopes for permission validation + +## Server Instance Resolution + +### Dynamic Server Mapping + +Team-server mappings are delivered via Backend polling system: + +**Configuration Source:** +- **Backend Database**: `mcpServerInstallations` table +- **Polling Mechanism**: Existing satellite configuration sync +- **Update Frequency**: Based on Backend polling intervals +- **Cache Storage**: In-memory via DynamicConfigManager + +### Server Resolution Algorithm + +Tool execution resolves team context to specific server instances: + +``` +Tool Call "context7-resolve-library-id" + Team "john" + ↓ +Find Server: server_slug="context7" AND team_id="john_uuid" + ↓ +Resolve to: "context7-john-R36no6FGoMFEZO9nWJJLT" + ↓ +Route Request: HTTP proxy to team's server instance +``` + +**Resolution Process:** +1. **Parse Tool Name**: Extract `server_slug` from namespaced tool name +2. **Team Context**: Get team ID from OAuth token validation +3. **Server Lookup**: Find server instance matching team + server_slug +4. **Request Routing**: Proxy to resolved server instance + +## Security Implementation + +### Complete Team Isolation + +Team isolation provides enterprise-grade security: + +**Access Control:** +- **Token-Based**: All requests require valid OAuth Bearer tokens +- **Team Scoping**: Tokens are issued for specific team contexts +- **Server Isolation**: Teams cannot access other teams' MCP server instances +- **Tool Filtering**: Only team's tools visible in discovery + +**Security Boundaries:** +- **Network Level**: HTTP proxy routes to team-specific server instances +- **Application Level**: TeamAwareMcpHandler enforces team permissions +- **Data Level**: Complete separation of team resources and configurations + +### Audit and Logging + +Team isolation includes comprehensive audit logging: + +**Log Categories:** +- **Authentication Events**: Token validation and team context extraction +- **Access Control**: Team permission checks and access denials +- **Tool Execution**: Team-scoped tool calls with server resolution +- **Configuration Changes**: Team-server mapping updates + +**Log Format:** +``` +operation: "team_tool_access_granted" +team_id: "team_uuid" +server_name: "context7-john-R36no6FGoMFEZO9nWJJLT" +namespaced_tool_name: "context7-resolve-library-id" +``` + +## Development Integration + +### Service Initialization + +Team isolation services initialize after satellite registration: + +**Initialization Order:** +1. **Satellite Registration**: Obtain API key from Backend +2. **OAuth Services**: Initialize TokenIntrospectionService +3. **Team Handler**: Create TeamAwareMcpHandler instance +4. **Route Integration**: Apply authentication middleware to MCP endpoints + +**File References:** +- `services/satellite/src/server.ts` - Service initialization +- `services/satellite/src/routes/mcp.ts` - MCP endpoint authentication +- `services/satellite/src/routes/sse.ts` - SSE endpoint authentication + +### Error Handling + +Team isolation implements comprehensive error handling: + +**Authentication Errors:** +- **Invalid Token**: 401 with OAuth 2.1 compliant error response +- **Insufficient Scope**: 403 with required scope information +- **Team Access Denied**: 403 with available server list + +**Resolution Errors:** +- **Server Not Found**: Tool execution fails with descriptive error +- **Team Mapping Missing**: Configuration error with Backend sync status +- **Tool Not Available**: Clear error with available tool list + +## Performance Characteristics + +### Token Validation Caching + +Token introspection includes 5-minute caching for performance: + +**Cache Implementation:** +- **Memory Storage**: Hashed token keys for security +- **TTL Management**: 5-minute expiration with automatic cleanup +- **Cache Hit Rate**: Reduces Backend introspection calls +- **Security**: No actual token values stored in cache + +### Team Filtering Performance + +Tool filtering operates with minimal overhead: + +**Performance Metrics:** +- **Tool Filtering**: O(n) where n = total cached tools +- **Server Resolution**: O(1) hash map lookup +- **Memory Usage**: Shared tool cache across all teams +- **Network Overhead**: Single Backend introspection per token + +### Scalability Considerations + +Team isolation scales efficiently for multi-tenant deployment: + +**Scaling Factors:** +- **Team Limit**: No hard limit, memory-bound by server instances +- **Tool Cache**: Shared across teams for memory efficiency +- **Token Cache**: Bounded by active user sessions +- **Backend Integration**: Leverages existing polling infrastructure + +## Integration with Existing Systems + +### Backend Communication + +Team isolation integrates with existing Backend systems: + +**API Integration:** +- **Token Introspection**: Uses existing OAuth 2.1 introspection endpoint +- **Configuration Polling**: Leverages existing satellite polling system +- **Database Schema**: Extends existing `mcpServerInstallations` table +- **Authentication**: Uses satellite API key for Backend communication + +### MCP Client Compatibility + +Team isolation maintains full MCP client compatibility: + +**Client Requirements:** +- **OAuth Support**: MCP clients must support OAuth 2.1 authentication +- **Bearer Tokens**: Standard Authorization header implementation +- **No Team Awareness**: Clients remain unaware of team concepts +- **Standard MCP**: Full compliance with MCP protocol specification + + +**Implementation Status**: Team isolation is fully implemented and operational. The system provides complete team separation while maintaining MCP client compatibility and leveraging existing OAuth 2.1 authentication infrastructure. + + +## Related Documentation + +- [OAuth Authentication Implementation](/development/satellite/oauth-authentication) - OAuth 2.1 Resource Server details +- [Tool Discovery Implementation](/development/satellite/tool-discovery) - Tool caching and namespacing mechanics +- [Satellite Architecture Design](/development/satellite/architecture) - Overall satellite architecture +- [Backend Communication](/development/satellite/backend-communication) - Backend integration patterns +- [Backend OAuth2 Server Implementation](/development/backend/oauth2-server) - OAuth server implementation diff --git a/docs/development/satellite/tool-discovery.mdx b/docs/development/satellite/tool-discovery.mdx new file mode 100644 index 0000000..686ce93 --- /dev/null +++ b/docs/development/satellite/tool-discovery.mdx @@ -0,0 +1,411 @@ +--- +title: Tool Discovery Implementation +description: Technical implementation of remote MCP server tool discovery in DeployStack Satellite - architecture, components, and development patterns. +sidebar: Satellite Development +--- + +import { Callout } from 'fumadocs-ui/components/callout'; + +# Tool Discovery Implementation + +DeployStack Satellite implements automatic tool discovery from remote HTTP MCP servers, providing dynamic tool availability without manual configuration. This system enables MCP clients to discover and execute tools from external MCP servers through the satellite's proxy layer. + +For information about the overall satellite architecture, see [Satellite Architecture Design](/development/satellite/architecture). For details about the MCP transport protocols that expose discovered tools, see [MCP Transport Protocols](/development/satellite/mcp-transport). + +## Technical Overview + +### Discovery Architecture + +Tool discovery operates as a startup-time process that queries configured remote MCP servers, caches discovered tools in memory, and exposes them through the satellite's MCP transport layer: + +``` +┌─────────────────────────────────────────────────────────────────────────────────┐ +│ Tool Discovery Architecture │ +│ │ +│ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐ │ +│ │ Remote Tool │ │ HTTP Proxy │ │ MCP Protocol │ │ +│ │ Discovery Mgr │ │ Manager │ │ Handler │ │ +│ │ │ │ │ │ │ │ +│ │ • Startup Query │ │ • Server Config │ │ • tools/list │ │ +│ │ • In-Memory │ │ • SSE Parsing │ │ • tools/call │ │ +│ │ Cache │ │ • Header Mgmt │ │ • Namespacing │ │ +│ │ • Tool Mapping │ │ • Error Handle │ │ • Route Proxy │ │ +│ └─────────────────┘ └─────────────────┘ └─────────────────┘ │ +│ │ +│ ┌─────────────────────────────────────────────────────────────────────────┐ │ +│ │ Discovery Data Flow │ │ +│ │ │ │ +│ │ Startup → Query Servers → Parse Tools → Cache → Namespace → Expose │ │ +│ │ │ │ │ │ │ │ │ │ +│ │ Config HTTP POST SSE Parse Memory Prefix MCP API │ │ +│ └─────────────────────────────────────────────────────────────────────────┘ │ +└─────────────────────────────────────────────────────────────────────────────────┘ +``` + +### Core Components + +**RemoteToolDiscoveryManager:** +- Queries remote MCP servers during satellite startup +- Parses Server-Sent Events responses from external servers +- Maintains in-memory cache of discovered tools with metadata +- Provides namespaced tool access for conflict resolution + +**HTTP Proxy Manager:** +- Manages HTTP connections to external MCP servers +- Handles server-specific headers and authentication +- Processes both JSON and SSE response formats +- Routes tool execution requests to appropriate servers + +**MCP Protocol Handler:** +- Integrates cached tools into MCP transport layer +- Handles tools/list requests with discovered tool metadata +- Routes tools/call requests to correct remote servers +- Manages tool name parsing and server resolution + +## Discovery Process + +### Startup Sequence + +Tool discovery executes during satellite initialization after HTTP Proxy Manager setup: + +``` +Server Start → Backend Connect → HTTP Proxy Init → Tool Discovery → Route Registration + │ │ │ │ │ + Validate Test Conn Server Config Query Tools MCP Endpoints + Config Required Load Enabled Parse Cache Ready to Serve +``` + +**Initialization Steps:** +1. **HTTP Proxy Manager** loads server configurations from `mcp-servers.ts` +2. **RemoteToolDiscoveryManager** queries each enabled server with `tools/list` +3. **SSE Response Parsing** extracts tool definitions from Server-Sent Events +4. **In-Memory Caching** stores tools with server association and namespacing +5. **MCP Integration** exposes cached tools through transport endpoints + +### Server Configuration + +Remote MCP servers are configured in `services/satellite/src/config/mcp-servers.ts`: + +```typescript +servers: { + 'context7': { + name: 'context7', + type: 'http', + url: 'https://mcp.context7.com/mcp', + enabled: true, + headers: { + 'Accept': 'application/json, text/event-stream' + } + } +} +``` + +**Configuration Properties:** +- **name**: Server identifier for namespacing and routing +- **type**: Transport type (currently 'http' only) +- **url**: Remote MCP server endpoint URL +- **enabled**: Boolean flag for server activation +- **headers**: Custom HTTP headers for server compatibility + +### Discovery Query Process + +The discovery manager queries each enabled server using standard MCP protocol: + +``` +Discovery Manager Remote MCP Server + │ │ + │──── POST /mcp ─────────────▶│ (tools/list request) + │ │ + │◀─── SSE Response ──────────│ (Tool definitions) + │ │ + │──── Parse Tools ───────────│ (Extract metadata) + │ │ + │──── Cache Results ─────────│ (Store in memory) +``` + +**Query Specifications:** +- **Method**: HTTP POST with JSON-RPC 2.0 payload +- **Headers**: Server-specific headers from configuration +- **Timeout**: 45 seconds for documentation servers +- **Response**: Server-Sent Events or JSON format +- **Error Handling**: Graceful failure with logging + +## Tool Caching Strategy + +### In-Memory Cache Design + +Tools are cached in memory during startup for performance and reliability: + +```typescript +interface CachedTool { + serverName: string; // Source server identifier + originalName: string; // Tool name from server + namespacedName: string; // Prefixed name (server-toolname) + description: string; // Tool description + inputSchema: object; // JSON Schema for parameters +} +``` + +**Cache Characteristics:** +- **Startup Population**: Tools loaded once during initialization +- **Memory Storage**: No persistent storage or database dependency +- **Namespace Prefixing**: Prevents tool name conflicts between servers +- **Metadata Preservation**: Complete tool definitions with schemas + +### Namespacing Strategy + +Tools are namespaced using server_slug for user-friendly names: + +``` +Original Tool Name: "resolve-library-id" +Server Slug: "context7" +Namespaced Name: "context7-resolve-library-id" +Internal Server: "context7-john-R36no6FGoMFEZO9nWJJLT" +``` + +**Namespacing Rules:** +- **Format**: `{server_slug}-{originalToolName}` +- **Separator**: Single hyphen character +- **User Display**: Friendly names using server_slug from configuration +- **Internal Routing**: Uses full server name for team isolation +- **Uniqueness**: Guaranteed unique names across all servers + +For team-based server resolution, see [Team Isolation Implementation](/development/satellite/team-isolation). + +## SSE Response Processing + +### Server-Sent Events Parsing + +Many MCP servers return responses in SSE format requiring specialized parsing: + +``` +HTTP Response: +Content-Type: text/event-stream + +event: message +data: {"jsonrpc":"2.0","id":"1","result":{"tools":[...]}} + +``` + +**Parsing Implementation:** +- **Line Processing**: Split response by newlines +- **Data Extraction**: Extract content after `data: ` prefix +- **JSON Parsing**: Parse extracted data as JSON-RPC response +- **Error Handling**: Graceful failure for malformed responses + +### Response Format Handling + +The HTTP Proxy Manager handles both JSON and SSE response formats: + +```typescript +const contentType = response.headers.get('content-type') || ''; + +if (contentType.includes('text/event-stream')) { + const sseText = await response.text(); + responseData = this.parseSSEResponse(sseText); +} else { + responseData = await response.json(); +} +``` + +**Format Detection:** +- **Content-Type Header**: Determines response format +- **SSE Processing**: Custom parser for event-stream responses +- **JSON Fallback**: Standard JSON parsing for regular responses +- **Error Recovery**: Handles parsing failures gracefully + +## Tool Execution Flow + +### Request Routing + +Tool execution requests are routed through the discovery system: + +``` +MCP Client Satellite Remote Server + │ │ │ + │──── tools/call ──────────▶│ │ + │ (context7-resolve...) │ │ + │ │──── Parse Name ────────────│ + │ │ (server: context7) │ + │ │ (tool: resolve...) │ + │ │ │ + │ │──── POST /mcp ─────────────▶│ + │ │ (resolve-library-id) │ + │ │ │ + │ │◀─── SSE Response ──────────│ + │ │ │ + │◀─── JSON Response ───────│ │ +``` + +**Routing Process:** +1. **Name Parsing**: Extract server name and tool name from namespaced request +2. **Server Resolution**: Locate target server configuration +3. **Request Translation**: Convert namespaced call to original tool name +4. **Proxy Execution**: Forward request to remote server +5. **Response Processing**: Parse SSE response and return to client + +### Tool Name Resolution + +The MCP Protocol Handler parses namespaced tool names for routing: + +```typescript +const dashIndex = namespacedToolName.indexOf('-'); +const serverName = namespacedToolName.substring(0, dashIndex); +const originalToolName = namespacedToolName.substring(dashIndex + 1); +``` + +**Resolution Logic:** +- **First Hyphen**: Separates server name from tool name +- **Server Lookup**: Validates server exists and is enabled +- **Tool Validation**: Confirms tool exists in cache +- **Error Handling**: Returns descriptive errors for invalid requests + +## Error Handling & Recovery + +### Discovery Failures + +Tool discovery implements graceful failure handling: + +``` +Server Unreachable → Log Warning → Continue with Other Servers +Parse Error → Log Details → Skip Malformed Tools +Timeout → Log Timeout → Mark Server as Failed +``` + +**Failure Scenarios:** +- **Network Errors**: Server unreachable or connection timeout +- **Protocol Errors**: Invalid JSON-RPC responses or malformed data +- **Parsing Errors**: SSE format issues or JSON parsing failures +- **Configuration Errors**: Invalid server URLs or missing headers + +### Runtime Error Recovery + +During tool execution, errors are handled at multiple levels: + +**HTTP Proxy Level:** +- Connection failures with retry logic +- Response parsing errors with fallback +- Timeout handling with configurable limits + +**MCP Protocol Level:** +- Invalid tool names with descriptive errors +- Server resolution failures with available tool lists +- JSON-RPC error propagation from remote servers + +## Development Considerations + +### Configuration Management + +Server configurations support environment variable substitution: + +```typescript +headers: { + 'Authorization': 'Bearer ${API_TOKEN}', + 'Accept': 'application/json, text/event-stream' +} +``` + +**Environment Processing:** +- **Variable Substitution**: `${VAR_NAME}` replaced with environment values +- **Missing Variables**: Warnings logged for undefined variables +- **Security**: Sensitive tokens loaded from environment + +### Debugging Support + +Comprehensive logging supports development and troubleshooting: + +``` +[2025-09-10 16:04:40.695] INFO: Returning 2 cached tools from remote MCP servers + component: "McpProtocolHandler" + operation: "mcp_tools_list_success" + tool_count: 2 + tools: ["context7-resolve-library-id", "context7-get-library-docs"] +``` + +**Logging Categories:** +- **Discovery Operations**: Server queries and tool caching +- **Request Routing**: Tool name parsing and server resolution +- **Response Processing**: SSE parsing and error handling +- **Performance Metrics**: Response times and cache statistics + +### Testing Strategies + +Tool discovery can be tested at multiple levels: + +**Unit Testing:** +- SSE response parsing with various formats +- Tool namespacing and name resolution logic +- Configuration loading and validation + +**Integration Testing:** +- End-to-end tool discovery with mock servers +- MCP protocol compliance with real clients +- Error handling with network failures + +**Manual Testing:** +```bash +# Test tool discovery +curl -X POST http://localhost:3001/mcp \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"1","method":"tools/list","params":{}}' + +# Test tool execution +curl -X POST http://localhost:3001/mcp \ + -H "Content-Type: application/json" \ + -d '{"jsonrpc":"2.0","id":"2","method":"tools/call","params":{"name":"context7-resolve-library-id","arguments":{"libraryName":"react"}}}' +``` + +## Performance Characteristics + +### Startup Performance + +Tool discovery adds minimal startup overhead: + +- **Discovery Time**: 2-5 seconds for typical server configurations +- **Memory Usage**: ~1KB per discovered tool in cache +- **Network Overhead**: Single HTTP request per configured server +- **Failure Impact**: Individual server failures don't block startup + +### Runtime Performance + +Cached tools provide optimal runtime performance: + +- **Tool Listing**: O(1) memory lookup for tools/list requests +- **Tool Execution**: Single HTTP proxy request to remote server +- **No Database**: Eliminates database queries for tool metadata +- **Memory Efficiency**: Minimal memory footprint for tool cache + +### Scalability Considerations + +The current implementation scales well for typical usage: + +- **Server Limit**: No hard limit on configured servers +- **Tool Limit**: Memory-bound by available system RAM +- **Concurrent Requests**: Limited by HTTP proxy connection pool +- **Cache Invalidation**: Requires restart for configuration changes + + +**Implementation Status**: Tool discovery is fully implemented and operational. The system successfully discovers tools from remote HTTP MCP servers, caches them in memory, and exposes them through both standard HTTP and SSE streaming transport protocols. + + +## Future Enhancements + +### Dynamic Discovery + +Planned enhancements for production deployment: + +- **Runtime Refresh**: Periodic tool discovery without restart +- **Configuration Hot-Reload**: Dynamic server configuration updates +- **Health Monitoring**: Automatic server availability checking +- **Cache Persistence**: Optional disk-based cache for faster startup + +### Advanced Features + +Additional capabilities under consideration: + +- **Tool Versioning**: Support for versioned tool definitions +- **Load Balancing**: Distribute requests across multiple server instances +- **Circuit Breakers**: Automatic failure detection and recovery +- **Metrics Collection**: Detailed usage and performance analytics + +The tool discovery implementation provides a solid foundation for dynamic MCP server integration while maintaining simplicity and reliability for development and production use. diff --git a/docs/device-management.mdx b/docs/device-management.mdx deleted file mode 100644 index 94fbf89..0000000 --- a/docs/device-management.mdx +++ /dev/null @@ -1,303 +0,0 @@ ---- -title: Device Management -description: Understand how DeployStack manages devices across your organization for security, compliance, and seamless multi-device MCP configuration workflows. -sidebar: Device Management -icon: Monitor ---- - -# Device Management - -DeployStack automatically tracks and manages devices across your organization to enable secure multi-device MCP configurations, enterprise governance, and seamless user experiences. Every device that accesses DeployStack is registered and managed through our comprehensive device management system. - -## Why Device Management Matters - -Device management is essential for DeployStack's three-tier MCP configuration system and enterprise security: - -**🏢 Enterprise Governance** -- **Visibility**: Administrators can see which devices access which MCP servers across the organization -- **Compliance**: Complete audit trails for regulatory requirements and security policies -- **Access Control**: Ability to manage and revoke device access when needed -- **Risk Management**: Identify and respond to unauthorized or compromised devices - -**👥 Team Collaboration** -- **Multi-Device Workflows**: Users seamlessly work across laptops, desktops, and cloud workstations -- **Device-Specific Configurations**: Different MCP settings for different environments (development vs. production machines) -- **Team Visibility**: Team administrators can see device usage patterns and optimize configurations - -**🔒 Security & Trust** -- **Device Authentication**: Each device is uniquely identified and authenticated -- **Hardware Fingerprinting**: Secure device identification based on system characteristics -- **Trust Management**: Mark devices as trusted or untrusted based on organizational policies -- **Automatic Registration**: Devices are registered securely during OAuth2 login flow - -## How Device Registration Works - -Device registration happens automatically and securely during the CLI login process: - -### Automatic Registration Process - -1. **User Initiates Login**: User runs `deploystack login` command -2. **OAuth2 Flow Begins**: Standard OAuth2 authorization with PKCE security -3. **Device Detection**: Gateway automatically detects device information: - - Device name (hostname) - - Hardware fingerprint (unique identifier based on MAC addresses and system info) - - Operating system and version - - System architecture - - Node.js version for compatibility -4. **Secure Registration**: Device info is included in OAuth2 token exchange -5. **Backend Processing**: Device is registered or updated in the database -6. **User Confirmation**: User sees "📱 Device registered: [device-name]" message - -### Security Benefits of Integrated Registration - -- **No Separate Endpoints**: Device registration only happens during authenticated login sessions -- **OAuth2 Security**: Leverages existing OAuth2 security with PKCE -- **Hardware Fingerprinting**: Unique device identification without user input -- **Automatic Process**: No manual device management required - -For technical details on the OAuth2 integration, see [Gateway OAuth Implementation](/development/gateway/oauth#automatic-device-registration). - -## Device Information Collected - -DeployStack collects minimal device information necessary for identification and configuration management: - -**🔍 Device Identification** -- **Device Name**: User-friendly name (defaults to hostname, can be customized) -- **Hardware ID**: Unique fingerprint based on MAC addresses and system characteristics -- **Hostname**: System hostname for identification - -**💻 System Information** -- **Operating System**: Type and version (macOS, Windows, Linux) -- **Architecture**: System architecture (x64, arm64, etc.) -- **Node.js Version**: For compatibility tracking and troubleshooting -- **User Agent**: CLI version and platform information - -**📊 Usage Metadata** -- **Last Login**: When the device was last used for authentication -- **Last Activity**: Most recent MCP server interaction -- **Trust Status**: Whether the device is marked as trusted -- **Active Status**: Whether the device is currently active - -## Multi-Device User Experience - -Users can seamlessly work across multiple devices with device-specific configurations: - -### Device-Specific MCP Configurations - -Each device maintains its own personal MCP configuration while inheriting team settings: - -**Example: Filesystem MCP Server** -- **MacBook Pro**: `/Users/alice/Development`, `/Users/alice/Projects` -- **Work Desktop**: `C:\Users\alice\Projects`, `C:\Company\Shared` -- **Cloud Workstation**: `/home/alice/workspace`, `/data/projects` - -**Shared Team Settings** (inherited on all devices): -- Team API keys and credentials -- Shared project directories -- Team-wide configuration standards - -### Device Management Interface - -Users can manage their devices through the DeployStack interface: - -``` -Your Devices - -📱 MacBook Pro (Current Device) - ├─ Last Login: 2 minutes ago - ├─ Status: Active, Trusted - ├─ MCP Configurations: 5 active - └─ [Configure] [View Details] - -🖥️ Work Desktop - ├─ Last Login: Yesterday - ├─ Status: Active, Trusted - ├─ MCP Configurations: 3 active - └─ [Configure] [View Details] - -☁️ Cloud Workstation - ├─ Last Login: 3 days ago - ├─ Status: Inactive - ├─ MCP Configurations: 2 configured - └─ [Configure] [Reactivate] -``` - -## Administrator Perspective - -### Enterprise Device Visibility - -Administrators have comprehensive visibility into device usage across the organization: - -**📊 Device Analytics Dashboard** -- Total devices across all teams -- Active vs. inactive device counts -- Device types and operating systems -- MCP server usage by device -- Security alerts and untrusted devices - -**🔍 Device Search and Filtering** -- Search by user, team, or device name -- Filter by operating system, trust status, or activity -- View device-specific MCP configurations -- Export device reports for compliance - -### Security Management - -**🛡️ Device Trust Management** -- Mark devices as trusted or untrusted -- Automatically trust devices from known networks -- Require manual approval for new devices -- Bulk trust management for organizational devices - -**🚨 Security Monitoring** -- Detect unusual device activity patterns -- Alert on new device registrations -- Monitor for potential security threats -- Track device access to sensitive MCP servers - -**⚙️ Device Policies** -- Set maximum devices per user -- Require device naming conventions -- Enforce device trust requirements -- Configure automatic device cleanup policies - -## Team Administrator Perspective - -### Team Device Overview - -Team administrators can monitor device usage within their teams: - -**👥 Team Device Dashboard** -- All devices used by team members -- Device-specific MCP configuration usage -- Team member device patterns -- Device compliance with team policies - -**📈 Usage Analytics** -- Which MCP servers are used on which devices -- Device-specific configuration patterns -- Team productivity insights -- Resource utilization by device type - -### Device-Aware Configuration Management - -Team administrators can optimize configurations based on device usage: - -**💡 Configuration Insights** -- See how team members configure MCP servers across different devices -- Identify common device-specific patterns -- Optimize team configurations for different device types -- Provide device-specific guidance and templates - -## Security & Governance - -### Compliance Benefits - -**📋 Audit Trails** -- Complete history of device access to MCP servers -- Track configuration changes by device -- Monitor team member device usage patterns -- Generate compliance reports for auditors - -**🔐 Access Control** -- Revoke access for lost or stolen devices -- Temporarily disable suspicious devices -- Enforce device trust requirements -- Control device access to sensitive MCP servers - -### Data Protection - -**🛡️ Device Security** -- Hardware fingerprinting prevents device spoofing -- Encrypted device information storage -- Secure device authentication -- Protection against unauthorized device access - -**🔒 Privacy Controls** -- Minimal device information collection -- User control over device naming -- Secure storage of device metadata -- Clear data retention policies - -For platform-level device security details, see [Security and Privacy](/security#device-security). - -## Device Lifecycle Management - -### Device States - -**✅ Active Devices** -- Recently used for MCP server access -- Receiving configuration updates -- Included in team analytics -- Full access to team MCP installations - -**⏸️ Inactive Devices** -- Not used recently (configurable threshold) -- Configurations preserved but not updated -- Excluded from active analytics -- Can be reactivated by user login - -**🚫 Disabled Devices** -- Manually disabled by administrators -- No access to MCP servers -- Configurations preserved for potential reactivation -- Requires administrator action to re-enable - -**🗑️ Removed Devices** -- Permanently removed from the system -- All configurations deleted -- Cannot be recovered -- Audit trail preserved for compliance - -### Automatic Cleanup - -**⏰ Inactive Device Management** -- Automatically mark devices inactive after configurable period -- Send notifications before marking devices inactive -- Preserve configurations for potential reactivation -- Clean up truly abandoned devices - -**🧹 Data Retention** -- Remove device data after extended inactivity -- Preserve audit trails for compliance requirements -- User notification before permanent deletion -- Administrator override for important devices - -## Integration with MCP Configuration System - -Device management is deeply integrated with DeployStack's three-tier MCP configuration system: - -### Device-Specific User Configurations - -The user tier of the configuration system is inherently device-aware: - -- **Template Level**: Global admin defines what can be configured (device-independent) -- **Team Level**: Team admin sets shared settings (inherited by all user devices) -- **User Level**: Individual users configure personal settings **per device** - -For complete details on the three-tier system, see [MCP Configuration System](/mcp-configuration). - -### Configuration Assembly by Device - -When a user accesses MCP servers, configurations are assembled per device: - -``` -Final Configuration = Template + Team + User (This Device) - -Template (Global): Command, package, system flags -+ Team (Shared): API keys, shared directories, team standards -+ User Device (Personal): Device-specific paths, preferences, debug settings -= Runtime Configuration for This Device -``` - -## Related Documentation - -For complete understanding of device management in context: - -- [MCP Configuration System](/mcp-configuration) - How device-specific configurations work within the three-tier system -- [MCP User Configuration](/mcp-user-configuration) - User experience for multi-device configuration -- [Security and Privacy](/security) - Platform-level device security implementation -- [Gateway OAuth Implementation](/development/gateway/oauth) - Technical details of device registration during login -- [Teams](/teams) - Team structure and device visibility for team administrators - -Device management enables DeployStack to provide secure, scalable, and user-friendly MCP server management across any number of devices while maintaining enterprise-grade governance and compliance capabilities. \ No newline at end of file diff --git a/docs/mcp-configuration.mdx b/docs/mcp-configuration.mdx index 2b3e90e..cc4cee6 100644 --- a/docs/mcp-configuration.mdx +++ b/docs/mcp-configuration.mdx @@ -170,31 +170,10 @@ Here's how the three tiers combine into a final runtime configuration: **Support Teams:** Share customer service API keys while allowing personal workspace customization -## Device-Aware Architecture Benefits - -**🏢 Enterprise Governance** -- Complete visibility into device usage across the organization -- Device-specific audit trails for compliance and security -- Centralized device management with trust-based access control - -**👥 Team Collaboration** -- Team administrators can see device usage patterns and optimize configurations -- Device-specific insights help teams understand productivity patterns -- Seamless collaboration across different device types and environments - -**🔒 Enhanced Security** -- Hardware fingerprinting prevents device spoofing -- Automatic device registration during secure OAuth2 login -- Device trust management and access revocation capabilities -- No separate device registration endpoints (security by design) - -For comprehensive device management details, see [Device Management](/device-management). - ## Related Documentation For complete system understanding: -- [Device Management](/device-management) - Comprehensive device management and security - [MCP Catalog](/mcp-catalog) - Browse and discover available MCP servers - [Teams](/teams) - Team structure and membership management - [MCP Installation](/mcp-installation) - Basic MCP server installation concepts diff --git a/docs/mcp-team-installation.mdx b/docs/mcp-team-installation.mdx index 590e5e6..2ddc143 100644 --- a/docs/mcp-team-installation.mdx +++ b/docs/mcp-team-installation.mdx @@ -110,30 +110,6 @@ For complete details on how secret fields are encrypted and protected, see [Secu - Users build on top of team configuration - Clean separation between shared and personal settings -## Device Visibility and Management - -As a team administrator, you have visibility into how team members use MCP servers across their devices: - -**📊 Team Device Overview** -- See all devices used by team members -- Monitor MCP server usage patterns by device -- Identify device-specific configuration trends -- Track team productivity across different device types - -**🔍 Device-Specific Insights** -- Which MCP servers are used on which devices -- How team members configure servers differently across devices -- Device compliance with team policies -- Usage analytics for optimization - -**🛡️ Security Management** -- Monitor device access to team MCP installations -- Identify unusual device activity patterns -- Ensure device compliance with organizational policies -- Support team members with device-related issues - -For comprehensive device management capabilities, see [Device Management](/device-management). - ## What Team Members Experience Based on your lock/unlock decisions and the schema boundaries set by global administrators, team members: diff --git a/docs/mcp-user-configuration.mdx b/docs/mcp-user-configuration.mdx index 10fa189..7ec7502 100644 --- a/docs/mcp-user-configuration.mdx +++ b/docs/mcp-user-configuration.mdx @@ -76,31 +76,6 @@ TEAM-MANAGED SETTINGS (You inherit these automatically) - **Device Context** - Configure settings for specific devices - **Validation** - Immediate feedback on configuration validity -## Multi-Device Support - -DeployStack supports different configurations for each device you use through automatic device registration and management: - -**Device Examples:** -- **"MacBook Pro"** - Your personal laptop with development setup -- **"Work Desktop"** - Office computer with different directory structure -- **"Cloud Workstation"** - Remote development environment - -**Adding a New Device:** -1. **Automatic Detection** - System identifies this as a new device during login -2. **Secure Registration** - Device is registered through OAuth2 authentication -3. **Device Naming** - System uses hostname by default, you can customize -4. **Configuration Setup** - Configure personal settings for this device -5. **Team Inheritance** - Automatically inherit all team settings - -Each device maintains its own personal configuration while sharing team settings. Device registration happens automatically and securely - no manual setup required. - -**Device Security:** -- Hardware fingerprinting ensures unique device identification -- Device registration only happens during authenticated login -- Administrators can manage device access for security - -For comprehensive device management details, see [Device Management](/device-management). - ## Personal Configuration Types ### User Arguments diff --git a/docs/meta.json b/docs/meta.json index 023bbb6..893ced2 100644 --- a/docs/meta.json +++ b/docs/meta.json @@ -39,6 +39,6 @@ "development/index", "development/frontend", "development/backend", - "development/gateway" + "development/satellite" ] } \ No newline at end of file diff --git a/docs/onboard-new-team-members.mdx b/docs/onboard-new-team-members.mdx index 0b86c56..462bb85 100644 --- a/docs/onboard-new-team-members.mdx +++ b/docs/onboard-new-team-members.mdx @@ -35,48 +35,6 @@ The new team member needs to complete these steps first: - Complete email verification if required - Complete the initial account setup - - - **Install DeployStack Gateway** - - Install the gateway globally via npm: - - ```bash - # Install the DeployStack Gateway globally - npm install -g @deploystack/gateway - - # Verify installation - deploystack --version - ``` - - - - **Login to DeployStack** - - Authenticate with your DeployStack account: - - ```bash - # Login to DeployStack - deploystack login - - # This will open a browser window for authentication - # Follow the prompts to complete login - ``` - - - - **Start the Gateway** - - Start the gateway to initialize your environment: - - ```bash - # Start the gateway - deploystack start - - # Verify gateway is running - deploystack status - ``` - ## Step 2: Invite Team Member @@ -104,26 +62,23 @@ After the team invitation is accepted, the new member needs to: - **Switch to Team Context** - - Join your team and access shared MCP servers: - - ```bash - # List available teams - deploystack teams + **Create OAuth Credentials** - # Switch to your team (replace with actual team number) - deploystack teams --switch 2 + Configure satellite access for the team: - # Verify team context - deploystack status - ``` + 1. Navigate to the **Satellite** section in the dashboard + 2. Select the appropriate team from the team selector + 3. Click **Create MCP Client Credentials** + 4. Enter a name for the client (e.g., "VS Code", "Claude Desktop") + 5. Copy the generated OAuth credentials: + - **Client ID**: `deploystack_mcp_client_abc123def456ghi789` + - **Client Secret**: `deploystack_mcp_secret_xyz789abc123def456ghi789jkl012` **Update MCP Configuration** - Replace your VS Code MCP configuration with the DeployStack Gateway: + Replace your VS Code MCP configuration with the DeployStack Satellite: **Before (Individual MCP Servers):** ```json @@ -147,14 +102,14 @@ After the team invitation is accepted, the new member needs to: } ``` - **After (DeployStack Gateway):** + **After (DeployStack Satellite):** ```json { "mcpServers": { "deploystack": { - "url": "http://localhost:9095/sse", - "name": "DeployStack Gateway", - "description": "Enterprise MCP Gateway with team-based access control" + "url": "https://satellite.deploystack.io/mcp", + "name": "DeployStack Satellite", + "description": "MCP-as-a-Service with zero installation" } } } @@ -166,13 +121,10 @@ After the team invitation is accepted, the new member needs to: ### Test MCP Tool Access -```bash -# List all available team MCP tools -deploystack mcp - -# Verify gateway status with team context -deploystack status --verbose -``` +1. **Restart VS Code**: Restart VS Code to load the new satellite configuration +2. **Test MCP Connection**: Use Claude or MCP-compatible tools to verify access +3. **Verify Available Tools**: All team MCP tools should be instantly available +4. **Test Functionality**: Confirm tools work without any manual credential setup ## Step 5: Test Team Access @@ -188,7 +140,7 @@ deploystack status --verbose - **Team MCP Servers**: Access to all configured team servers - **Shared Credentials**: Automatic credential injection (no manual setup required) - **Team Environment Variables**: Access to team-wide environment settings -- **Process History**: View team's MCP server process logs +- **Instant Access**: All tools immediately available through satellite infrastructure ## Step 6: Team Orientation @@ -206,8 +158,9 @@ deploystack status --verbose **Security Guidelines:** - Never manually manage API credentials (handled by DeployStack) -- Always use the DeployStack Gateway for MCP access +- Always use the DeployStack Satellite for MCP access - Report any authentication or access issues immediately +- Keep OAuth client credentials secure (don't share or commit to version control) ## Next Steps @@ -217,4 +170,4 @@ Once new team members are successfully onboarded: - **Schedule Training**: Consider hands-on training for complex MCP workflows - **Gather Feedback**: Collect feedback on the onboarding process for improvements -New team members should now have secure, credential-free access to all team MCP servers through the DeployStack Gateway, enabling them to be productive immediately without complex setup or credential management. +New team members should now have secure, credential-free access to all team MCP servers through the DeployStack Satellite, enabling them to be productive immediately without any installations or complex credential management. diff --git a/docs/quick-start.mdx b/docs/quick-start.mdx index 4d2f022..f503bb5 100644 --- a/docs/quick-start.mdx +++ b/docs/quick-start.mdx @@ -1,6 +1,6 @@ --- title: Quick Start -description: Get started with DeployStack in minutes - create your free account, set up MCP servers, and install the gateway locally. +description: Get started with DeployStack in minutes - create your free account, configure MCP servers, and connect instantly with just a URL. sidebar: Quick Start icon: Zap --- @@ -11,21 +11,21 @@ import { Steps, Step } from 'fumadocs-ui/components/steps'; # Quick Start -Get started with DeployStack in minutes. This guide walks you through creating a free account, configuring your first MCP server, and connecting your development environment. +Get started with DeployStack in minutes. This guide walks you through creating a free account, configuring your first MCP server, and connecting your development environment with zero installation. ## What You'll Accomplish By the end of this guide, you'll have: - A free DeployStack account with team management - Your first MCP server configured with secure credentials -- The DeployStack Gateway running locally +- Instant access to MCP tools via satellite URL - VS Code connected to your team's MCP tools ## Prerequisites -- **Node.js**: [Install Node.js](https://nodejs.org/) (v18 or higher) - **VS Code or Cursor**: For MCP tool integration -- **A few minutes**: This entire setup takes less than 5 minutes +- **A few minutes**: This entire setup takes less than 3 minutes +- **No installations required**: Zero local dependencies ## Step 1: Create Your Free Account @@ -48,63 +48,36 @@ By the end of this guide, you'll have: -## Step 2: Install and Configure the Gateway +## Step 2: Get Your OAuth Credentials -The DeployStack Gateway runs locally and connects your development tools to your team's MCP servers. +DeployStack Satellite provides instant MCP access through managed infrastructure - no installation required. - **Install the Gateway** + **Create OAuth Client Credentials** - Install the DeployStack Gateway globally via npm: + In your DeployStack dashboard: - ```bash - npm install -g @deploystack/gateway - ``` - - - - **Login to DeployStack** - - Authenticate with your DeployStack account: + 1. Navigate to the **Satellite** section + 2. Click **Create MCP Client Credentials** + 3. Enter a name for your client (e.g., "VS Code", "Claude Desktop") + 4. Copy the generated OAuth credentials: + - **Client ID**: `deploystack_mcp_client_abc123def456ghi789` + - **Client Secret**: `deploystack_mcp_secret_xyz789abc123def456ghi789jkl012` - ```bash - deploystack login - ``` - - This will: - - Open a browser window for authentication - - Download your team's MCP server configurations - - Set up secure credential access - - Login command will pull your MCP configurations and credentials from the cloud.deploystack.io and start the DeployStack gateway. - - - - **Verify Gateway Status** - - Check that everything is working: - - ```bash - deploystack status - ``` - - You should see: - - Gateway status: Running - - Your team name - - List of available MCP servers + These OAuth credentials provide secure access to your team's MCP servers through standard OAuth Bearer Token authentication. ## Step 3: Connect Your Development Environment -Now connect VS Code or Cursor to use your team's MCP servers. +Now connect VS Code or Cursor to use your team's MCP servers via satellite. **Configure VS Code MCP Settings** - Open your VS Code settings and configure MCP to use the DeployStack Gateway. + Open your VS Code settings and configure MCP to use the DeployStack Satellite. **Location**: `.vscode/settings.json` or global VS Code settings @@ -124,15 +97,19 @@ Now connect VS Code or Cursor to use your team's MCP servers. } ``` - **After** (DeployStack Gateway): + **After** (DeployStack Satellite): ```json { "mcpServers": { "deploystack": { - "url": "http://localhost:9095/sse", - "name": "DeployStack Gateway", - "description": "Enterprise MCP Gateway with team-based access control" + "url": "https://satellite.deploystack.io/mcp", + "oauth": { + "client_id": "deploystack_mcp_client_abc123def456ghi789", + "client_secret": "deploystack_mcp_secret_xyz789abc123def456ghi789jkl012" + }, + "name": "DeployStack Satellite", + "description": "MCP-as-a-Service with zero installation" } } } @@ -145,7 +122,7 @@ Now connect VS Code or Cursor to use your team's MCP servers. 1. **Restart VS Code** to load the new MCP configuration 2. **Open Claude or compatible MCP client** 3. **Test a tool**: Try using one of your configured MCP servers - 4. **Verify**: Tools should work without any manual credential setup + 4. **Verify**: Tools should work instantly without any local setup @@ -155,27 +132,21 @@ Now that everything is connected, explore what you can do: - **List Available Tools** + **Test Available Tools** - See all MCP tools available through your gateway: - - ```bash - deploystack mcp - ``` - - This shows all tools from your team's MCP servers with their descriptions. + In your VS Code MCP client: + - All configured MCP tools are instantly available + - No local processes or installations required + - Tools automatically include your team's credentials - **Monitor Gateway Activity** - - View real-time logs and activity: + **Monitor Usage** - ```bash - deploystack logs - ``` - - This shows MCP server activity, tool usage, and any issues. + View activity in your [DeployStack dashboard](https://cloud.deploystack.io): + - Real-time MCP tool usage + - Team activity and analytics + - Satellite performance metrics @@ -184,59 +155,33 @@ Now that everything is connected, explore what you can do: Back in the [DeployStack dashboard](https://cloud.deploystack.io): - Add more MCP servers to your team - Manage credentials securely + - Monitor satellite usage -## Common Gateway Commands - -Here are the essential commands you'll use regularly: - -```bash -# Check gateway status -deploystack status - -# Start the gateway -deploystack start +## Managing Your Satellite Connection -# Stop the gateway -deploystack stop +With DeployStack Satellite, management is done through the web dashboard: -# Restart the gateway -deploystack restart - -# View logs -deploystack logs - -# List available MCP tools -deploystack mcp - -# Update configurations from cloud -deploystack refresh - -# Switch teams (if you have multiple) -deploystack teams -``` +- **Configuration**: All changes made in [cloud.deploystack.io](https://cloud.deploystack.io) +- **Instant Updates**: Changes take effect immediately, no local updates needed +- **Team Switching**: Change teams in the dashboard, regenerate token if needed +- **Monitoring**: View real-time usage and performance metrics +- **Zero Maintenance**: No local processes to start, stop, or restart ## Multiple Teams If you're part of multiple teams or create additional teams: -```bash -# List your teams -deploystack teams - -# Switch to a specific team -deploystack teams --switch 2 +1. **Switch Teams**: Use the team selector in your [DeployStack dashboard](https://cloud.deploystack.io) +2. **Generate New OAuth Credentials**: Each team requires separate OAuth client credentials for security +3. **Update VS Code**: Replace the oauth client_id and client_secret with the new team's credentials +4. **Instant Access**: New team's MCP tools are immediately available -# Check current team context -deploystack status -``` - -When you switch teams, the gateway automatically: -- Downloads new team configurations -- Starts the new team's MCP servers -- Stops the previous team's servers -- Updates available tools +When you switch teams: +- New team's MCP servers become available instantly +- Previous team's tools are no longer accessible (security isolation) +- All team-specific credentials are automatically applied ## What's Next? @@ -257,33 +202,30 @@ If you're working with a team: ## Troubleshooting -### Gateway Won't Start - -```bash -# Check if you're logged in -deploystack status - -# Re-login if needed -deploystack login +### Satellite Connection Issues -# Check for port conflicts -lsof -i :9095 -``` +1. **Check OAuth credentials**: + - Verify your client_id and client_secret are correct + - Regenerate OAuth credentials in dashboard if needed -### MCP Tools Not Working +2. **Verify VS Code configuration**: + - Ensure the satellite URL is `https://satellite.deploystack.io/mcp` + - Check oauth section has your current client_id and client_secret + - Restart VS Code after configuration changes -1. **Check gateway status**: +3. **Test connection**: ```bash - deploystack status + curl -X POST https://satellite.deploystack.io/mcp \ + -H "Content-Type: application/json" \ + -H "Authorization: Bearer YOUR_OAUTH_TOKEN" \ + -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' ``` -2. **Verify VS Code configuration**: - - Ensure the MCP server URL is `http://localhost:9095/sse` - - Restart VS Code after configuration changes +### MCP Tools Not Working -3. **Check credentials**: - - Verify credentials are properly configured in your dashboard - - Test credentials directly in the DeployStack interface +1. **Check satellite status**: Visit your [dashboard](https://cloud.deploystack.io) for real-time status +2. **Verify credentials**: Ensure OAuth credentials are properly configured for your team +3. **Client permissions**: Confirm your OAuth client has access to the required MCP servers ### Need Help? @@ -293,6 +235,6 @@ lsof -i :9095 --- -**🎉 Congratulations!** You now have DeployStack configured and running. Your development environment is connected to enterprise-grade MCP management with secure credential handling and team collaboration features. +**🎉 Congratulations!** You now have DeployStack Satellite configured and running. Your development environment is connected to enterprise-grade MCP management with zero installation, secure credential handling, and instant team collaboration. **Next Steps**: Explore the [MCP Catalog](https://cloud.deploystack.io) to add more tools to your team, or invite colleagues to collaborate on your projects. diff --git a/docs/security.mdx b/docs/security.mdx index fee2977..e3d0200 100644 --- a/docs/security.mdx +++ b/docs/security.mdx @@ -97,40 +97,6 @@ All data is protected through: **What this means for you**: Your data is protected from common security attacks. -## Device Security - -### Automatic Device Registration -When you log into DeployStack from a new device: - -- **Secure Registration**: Device information is collected only during authenticated OAuth2 login -- **Hardware Fingerprinting**: Each device gets a unique identifier based on system characteristics -- **No Separate Endpoints**: Devices cannot be registered outside of the secure login process -- **Automatic Detection**: System automatically identifies and registers your device - -**What this means for you**: Your devices are securely tracked without compromising your privacy or security. - -### Device Trust and Access Control -DeployStack manages device access through trust-based security: - -- **Trusted Devices**: Devices you regularly use are automatically marked as trusted -- **Access Control**: Administrators can revoke access for lost or stolen devices -- **Device Monitoring**: Unusual device activity is detected and flagged -- **Multi-Device Support**: Seamlessly work across laptops, desktops, and cloud workstations - -**What this means for you**: Your devices are protected, and you can work securely across multiple computers. - -### Device-Specific Configurations -Your MCP server configurations are managed per device: - -- **Device Isolation**: Each device has its own personal configuration settings -- **Shared Team Settings**: Team credentials and shared settings are inherited automatically -- **Secure Storage**: Device-specific settings are encrypted and protected -- **Configuration Sync**: Team settings update across all your devices automatically - -**What this means for you**: You can have different MCP configurations on different devices while maintaining team security. - -For comprehensive device management information, see [Device Management](/device-management). - ## Account Access Control ### User Roles