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@modelcontextprotocol

Model Context Protocol

An open protocol that enables seamless integration between LLM applications and external data sources and tools.

Model Context Protocol

MCP Logo

A protocol for seamless integration between LLM applications and external data sources

Documentation | Specification | Discussions

The Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need.

Getting Started

Project Structure

Contributing

We welcome contributions of all kinds! Whether you want to fix bugs, improve documentation, or propose new features, please see our contributing guide to get started.

Have questions? Join the discussion in our community forum.

About

The Model Context Protocol is an open source project run by Anthropic, PBC. and open to contributions from the entire community.

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  1. servers servers Public

    Model Context Protocol Servers

    JavaScript 30.6k 3.2k

  2. specification specification Public

    The specification of the Model Context Protocol

    TypeScript 1.3k 156

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 7.5k 734

  4. typescript-sdk typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 4.2k 430

  5. csharp-sdk csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients, maintained by Microsoft

    C# 1.2k 144

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 1.5k 205

Repositories

Showing 10 of 15 repositories
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    JavaScript 30,567 MIT 3,207 240 (1 issue needs help) 238 Updated Apr 4, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 473 MIT 73 19 (2 issues need help) 5 Updated Apr 4, 2025
  • csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients, maintained by Microsoft

    modelcontextprotocol/csharp-sdk’s past year of commit activity
    C# 1,204 MIT 144 42 6 Updated Apr 4, 2025
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 1,492 MIT 204 28 7 Updated Apr 4, 2025
  • swift-sdk Public

    The official Swift SDK for Model Context Protocol servers and clients. Maintained in collaboration with @loopwork-ai.

    modelcontextprotocol/swift-sdk’s past year of commit activity
    Swift 285 MIT 17 5 2 Updated Apr 3, 2025
  • typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    modelcontextprotocol/typescript-sdk’s past year of commit activity
    TypeScript 4,225 MIT 430 76 32 Updated Apr 2, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    modelcontextprotocol/python-sdk’s past year of commit activity
    Python 7,538 MIT 734 117 (5 issues need help) 32 Updated Apr 2, 2025
  • kotlin-sdk Public

    The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

    modelcontextprotocol/kotlin-sdk’s past year of commit activity
    Kotlin 443 MIT 42 16 (6 issues need help) 3 Updated Apr 2, 2025
  • docs Public

    The documentation and specification for the Model Context Protocol (MCP)

    modelcontextprotocol/docs’s past year of commit activity
    MDX 338 MIT 230 26 40 Updated Apr 2, 2025
  • specification Public

    The specification of the Model Context Protocol

    modelcontextprotocol/specification’s past year of commit activity
    TypeScript 1,336 MIT 156 50 (1 issue needs help) 17 Updated Mar 31, 2025