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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. modelcontextprotocol modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 3.9k 616

  2. servers servers Public

    Model Context Protocol Servers

    Python 53.7k 6.1k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 14.4k 1.8k

  4. typescript-sdk typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 7.6k 917

  5. csharp-sdk csharp-sdk Public

    The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

    C# 2.5k 351

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 4k 523

Repositories

Showing 10 of 19 repositories
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 3,885 MIT 616 155 (1 issue needs help) 107 Updated Jun 14, 2025
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 4,015 MIT 523 63 24 Updated Jun 14, 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 7,634 MIT 917 209 72 Updated Jun 14, 2025
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    Python 53,712 MIT 6,117 216 (1 issue needs help) 275 Updated Jun 14, 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 701 MIT 75 25 11 Updated Jun 14, 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 1,827 MIT 461 95 60 Updated Jun 14, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 1,418 MIT 213 34 (1 issue needs help) 13 Updated Jun 14, 2025
  • registry Public

    A community driven registry service for Model Context Protocol (MCP) servers.

    modelcontextprotocol/registry’s past year of commit activity
    Go 1,477 MIT 104 48 11 Updated Jun 13, 2025
  • ruby-sdk Public

    The official Ruby SDK for the Model Context Protocol. Maintained in collaboration with Shopify.

    modelcontextprotocol/ruby-sdk’s past year of commit activity
    Ruby 220 MIT 26 8 9 Updated Jun 13, 2025
  • modelcontextprotocol/example-remote-client’s past year of commit activity
    TypeScript 4 1 0 0 Updated Jun 13, 2025

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