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WalkthroughThis update introduces a new sequential thinking processor module with associated classes, adds support for a new MCP endpoint and dynamic AI model selection in the agent route, and adjusts environment configuration for model usage. Additionally, a console log is removed from the mail component, and minor code cleanups are performed. Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant ZeroAgent
participant SequentialThinkingProcessor
participant AI_Model
User->>ZeroAgent: Initiate connection (onStart)
ZeroAgent->>SequentialThinkingProcessor: Register Thinking MCP
Note over ZeroAgent: Conditional model selection
ZeroAgent->>AI_Model: streamText (OpenAI or Anthropic)
AI_Model-->>ZeroAgent: Model response
ZeroAgent-->>User: Streamed response
Estimated code review effort3 (~40 minutes) Possibly related PRs
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Bug: Unintended Debug Code and Unused Tool Registration
The commit introduces two issues: a debug console.log('Here!'); statement and a large (93 lines) commented-out block for the sequentialthinking tool registration within the ThinkingMCP class. Both appear to be accidentally committed development code and should be either removed or properly implemented.
apps/server/src/lib/sequential-thinking.ts#L206-L301
Zero/apps/server/src/lib/sequential-thinking.ts
Lines 206 to 301 in e6bf8a4
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MrgSub
deleted the
ZEROAdd_sequential_thinking_processor_and_switch_to_OpenAI_model
branch
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cubic analysis
1 issue found across 4 files • Review in cubic
React with 👍 or 👎 to teach cubic. You can also tag @cubic-dev-ai to give feedback, ask questions, or re-run the review.
| "THREAD_SYNC_LOOP": "false", | ||
| "DISABLE_WORKFLOWS": "false", | ||
| "AUTORAG_ID": "", | ||
| "USE_OPENAI": "true", |
There was a problem hiding this comment.
USE_OPENAI is only defined for the local environment, so staging/production will silently fall back to the Anthropic model, leading to inconsistent behavior across environments.
Prompt for AI agents
Address the following comment on apps/server/wrangler.jsonc at line 119:
<comment>USE_OPENAI is only defined for the local environment, so staging/production will silently fall back to the Anthropic model, leading to inconsistent behavior across environments.</comment>
<file context>
@@ -116,6 +116,7 @@
"THREAD_SYNC_LOOP": "false",
"DISABLE_WORKFLOWS": "false",
"AUTORAG_ID": "",
+ "USE_OPENAI": "true",
},
"kv_namespaces": [
</file context>
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Actionable comments posted: 3
🧹 Nitpick comments (3)
apps/server/src/lib/sequential-thinking.ts (3)
118-176: Consider error handling improvements in processThought.While the error handling catches exceptions, consider logging errors for debugging purposes before returning the error response.
} catch (error) { + console.error('Error processing thought:', error); return { content: [ { type: 'text' as const, text: JSON.stringify( { error: error instanceof Error ? error.message : String(error), status: 'failed', }, null, 2, ), }, ], isError: true, }; }
207-207: Remove debug console.log statement.The debug
console.log('Here!')should be removed from production code.- console.log('Here!');
209-301: Address commented-out sequential thinking tool.The large commented-out section contains a detailed implementation plan for the
sequentialthinkingtool. Consider either implementing this tool or removing the commented code to reduce maintenance burden.Would you like me to help implement the commented-out
sequentialthinkingtool or create a separate issue to track this development task?
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (4)
apps/mail/components/party.tsx(0 hunks)apps/server/src/lib/sequential-thinking.ts(1 hunks)apps/server/src/routes/agent/index.ts(5 hunks)apps/server/wrangler.jsonc(1 hunks)
💤 Files with no reviewable changes (1)
- apps/mail/components/party.tsx
🧰 Additional context used
📓 Path-based instructions (3)
**/*.{js,jsx,ts,tsx}
📄 CodeRabbit Inference Engine (AGENT.md)
**/*.{js,jsx,ts,tsx}: Use 2-space indentation
Use single quotes
Limit lines to 100 characters in width
Semicolons are required
Files:
apps/server/src/lib/sequential-thinking.tsapps/server/src/routes/agent/index.ts
**/*.{js,jsx,ts,tsx,css}
📄 CodeRabbit Inference Engine (AGENT.md)
Use Prettier with sort-imports and Tailwind plugins
Files:
apps/server/src/lib/sequential-thinking.tsapps/server/src/routes/agent/index.ts
**/*.{ts,tsx}
📄 CodeRabbit Inference Engine (AGENT.md)
Enable TypeScript strict mode
Files:
apps/server/src/lib/sequential-thinking.tsapps/server/src/routes/agent/index.ts
🪛 GitHub Actions: autofix.ci
apps/server/src/lib/sequential-thinking.ts
[warning] 20-20: ESLint (no-unused-vars): Identifier 'z' is imported but never used. Consider removing this import.
apps/server/src/routes/agent/index.ts
[error] 53-54: Identifier openai has already been declared. The identifier is imported twice in this file, which is not allowed.
🪛 Biome (2.1.2)
apps/server/src/routes/agent/index.ts
[error] 54-54: Shouldn't redeclare 'openai'. Consider to delete it or rename it.
'openai' is defined here:
(lint/suspicious/noRedeclare)
⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)
- GitHub Check: cubic · AI code reviewer
- GitHub Check: Cursor Bugbot
🔇 Additional comments (9)
apps/server/src/lib/sequential-thinking.ts (4)
22-44: Well-structured interfaces for thought processing.The
ThoughtDataandSequentialThinkingParamsinterfaces are well-designed with clear optional fields for branching and revision capabilities. The structure supports the sequential thinking workflow effectively.
55-80: Robust input validation implementation.The validation logic properly checks required fields and types, providing clear error messages. The validation ensures data integrity before processing thoughts.
82-116: Creative formatting with visual presentation.The thought formatting creates a visually appealing bordered display with contextual headers. The use of emojis and dynamic border sizing enhances readability.
200-206: Simple initialization with placeholder tool.The current implementation registers only a basic "Test" tool. This appears to be a temporary implementation while the more comprehensive
sequentialthinkingtool remains commented out.apps/server/src/routes/agent/index.ts (5)
1069-1069: Updated MCP connection with explicit ID parameter.The connection URL now includes
mcpId=zero-mcpparameter and sets the OAuth client provider ID explicitly. This change aligns with the new MCP routing structure.
1080-1090: New ThinkingMCP integration method.The
registerThinkingMCPmethod follows the same pattern asregisterZeroMCPbut connects to the thinking-mcp endpoint. The implementation is consistent and well-structured.
1125-1128: Dynamic model selection implementation.The conditional model selection based on
USE_OPENAIenvironment variable provides flexibility between OpenAI and Anthropic models. The fallback model names are appropriate.
1093-1093: Confirm MCP registration strategy
TheregisterThinkingMCP()invocation inonStart()is currently commented out and you have no other calls to it. Please verify that this omission is intentional. If it’s only disabled for testing or staging, consider adding aTODO(with context and a link to any tracking ticket) explaining when and how it will be re-enabled.Locations to review:
- apps/server/src/routes/agent/index.ts, inside
onStart()(around line 1093):// this.registerThinkingMCP();
1108-1108: Verify MCP tools integration
It looks like the call tothis.mcp.unstable_getAITools()and its spread intorawToolsremain commented out in apps/server/src/routes/agent/index.ts (around line 1108). Please confirm whether this was intentional—if you intend to wire in MCP’s AI tools as part of the thinking-processor, you should:
- Uncomment the instantiation:
const mcpTools = this.mcp.unstable_getAITools();- Re-include them when building
rawTools:const rawTools = { ...(await authTools(connectionId)), + ...mcpTools, };If MCP integration is deprecated or postponed, consider removing these commented lines altogether to keep the code clean.
| import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js'; | ||
| import type { env } from 'cloudflare:workers'; | ||
| import { McpAgent } from 'agents/mcp'; | ||
| import { z } from 'zod'; |
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Remove unused import.
The z import from 'zod' is not used in the active code and should be removed to avoid linting errors.
-import { z } from 'zod';📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| import { z } from 'zod'; |
🧰 Tools
🪛 GitHub Actions: autofix.ci
[warning] 20-20: ESLint (no-unused-vars): Identifier 'z' is imported but never used. Consider removing this import.
🤖 Prompt for AI Agents
In apps/server/src/lib/sequential-thinking.ts at line 20, the import of 'z' from
'zod' is unused and causes linting errors. Remove this import statement entirely
to clean up the code and resolve the lint issue.
| import { env } from 'cloudflare:workers'; | ||
| import type { Connection } from 'agents'; | ||
| import { openai } from '@ai-sdk/openai'; | ||
| import { openai } from '@ai-sdk/openai'; |
There was a problem hiding this comment.
Remove duplicate import.
The openai import is declared twice (lines 53 and 54). Remove the duplicate import to fix the compilation error.
-import { openai } from '@ai-sdk/openai';📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| import { openai } from '@ai-sdk/openai'; | |
| import { openai } from '@ai-sdk/openai'; |
🧰 Tools
🪛 Biome (2.1.2)
[error] 54-54: Shouldn't redeclare 'openai'. Consider to delete it or rename it.
'openai' is defined here:
(lint/suspicious/noRedeclare)
🪛 GitHub Actions: autofix.ci
[error] 53-54: Identifier openai has already been declared. The identifier is imported twice in this file, which is not allowed.
🤖 Prompt for AI Agents
In apps/server/src/routes/agent/index.ts at line 54, there is a duplicate import
of `openai` from '@ai-sdk/openai' which causes a compilation error. Remove the
import statement on line 54 to eliminate the duplicate and fix the error.
| "THREAD_SYNC_LOOP": "false", | ||
| "DISABLE_WORKFLOWS": "false", | ||
| "AUTORAG_ID": "", | ||
| "USE_OPENAI": "true", |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Add USE_OPENAI to staging and production environments for consistency.
The USE_OPENAI environment variable is only configured for the local environment. Consider adding this variable to the staging and production environments to ensure consistent model selection behavior across all deployment environments.
# In staging environment vars section (around line 254)
"vars": {
"NODE_ENV": "development",
"COOKIE_DOMAIN": "0.email",
"VITE_PUBLIC_BACKEND_URL": "https://sapi.0.email",
"VITE_PUBLIC_APP_URL": "https://staging.0.email",
"DISABLE_CALLS": "",
"DROP_AGENT_TABLES": "false",
"THREAD_SYNC_MAX_COUNT": "20",
"THREAD_SYNC_LOOP": "true",
"DISABLE_WORKFLOWS": "true",
+ "USE_OPENAI": "true",
},
# In production environment vars section (around line 395)
"vars": {
"NODE_ENV": "production",
"COOKIE_DOMAIN": "0.email",
"VITE_PUBLIC_BACKEND_URL": "https://api.0.email",
"VITE_PUBLIC_APP_URL": "https://0.email",
"DISABLE_CALLS": "true",
"DROP_AGENT_TABLES": "false",
"THREAD_SYNC_MAX_COUNT": "10",
"THREAD_SYNC_LOOP": "true",
"DISABLE_WORKFLOWS": "true",
+ "USE_OPENAI": "true",
},🤖 Prompt for AI Agents
In apps/server/wrangler.jsonc at line 119, the USE_OPENAI environment variable
is set only for the local environment. To ensure consistent model selection
behavior, add the "USE_OPENAI": "true" setting to the staging and production
environment configurations as well.
1 participant
Description
This PR introduces a new sequential thinking processor for dynamic problem-solving and makes model configuration changes. It adds a
SequentialThinkingProcessorclass that enables step-by-step reasoning with support for thought revision and branching paths. The PR also configures the agent to use OpenAI models by default instead of Anthropic.Type of Change
Areas Affected
Testing Done
Checklist
Additional Notes
The PR removes a console.log statement from the mail notification provider and adds a new environment variable
USE_OPENAIset to "true" by default. The sequential thinking processor provides a structured way to handle complex reasoning tasks with features like thought revision, branching, and dynamic adjustment of the thinking process.By submitting this pull request, I confirm that my contribution is made under the terms of the project's license.