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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 26.3k 2.7k

  2. specification specification Public

    The specification of the Model Context Protocol

    TypeScript 1.1k 122

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 6k 577

  4. typescript-sdk typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 3.5k 363

  5. csharp-sdk csharp-sdk Public

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

    C# 777 90

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 1.1k 159

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 319 MIT 49 18 9 Updated Mar 27, 2025
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    JavaScript 26,304 MIT 2,710 211 (1 issue needs help) 161 Updated Mar 27, 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# 777 MIT 90 36 3 Updated Mar 27, 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 6,014 MIT 577 97 (5 issues need help) 26 Updated Mar 27, 2025
  • docs Public

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

    modelcontextprotocol/docs’s past year of commit activity
    MDX 303 CC-BY-4.0 193 21 19 Updated Mar 27, 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 199 MIT 8 4 2 Updated Mar 27, 2025
  • java-sdk Public

    The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

    modelcontextprotocol/java-sdk’s past year of commit activity
    Java 579 MIT 112 13 5 Updated Mar 27, 2025
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 1,137 MIT 159 23 10 Updated Mar 26, 2025
  • specification Public

    The specification of the Model Context Protocol

    modelcontextprotocol/specification’s past year of commit activity
    TypeScript 1,109 MIT 122 43 (1 issue needs help) 13 Updated Mar 26, 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 369 MIT 37 15 (6 issues need help) 2 Updated Mar 26, 2025