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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 30k 3.1k

  2. specification specification Public

    The specification of the Model Context Protocol

    TypeScript 1.3k 154

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 7.3k 704

  4. typescript-sdk typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 4.1k 421

  5. csharp-sdk csharp-sdk Public

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

    C# 1.1k 134

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 1.4k 196

Repositories

Showing 10 of 15 repositories
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 445 MIT 70 17 (2 issues need help) 5 Updated Apr 3, 2025
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    JavaScript 29,951 MIT 3,128 232 (1 issue needs help) 222 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 4,128 MIT 421 72 32 Updated Apr 2, 2025
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 1,433 MIT 196 31 7 Updated Apr 3, 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# 1,149 MIT 134 41 9 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 7,344 MIT 704 112 (6 issues need help) 30 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 431 MIT 40 17 (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 333 MIT 224 25 35 Updated Apr 2, 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 268 MIT 16 8 0 Updated Mar 31, 2025
  • specification Public

    The specification of the Model Context Protocol

    modelcontextprotocol/specification’s past year of commit activity
    TypeScript 1,308 MIT 154 50 (1 issue needs help) 16 Updated Mar 31, 2025