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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. modelcontextprotocol modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 6k 1.1k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 71.4k 8.5k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 19.7k 2.7k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 10.5k 1.4k

  5. csharp-sdk csharp-sdk Public

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

    C# 3.5k 548

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 7.2k 930

Repositories

Showing 10 of 27 repositories
  • ext-auth Public

    Extensions to authorization

    modelcontextprotocol/ext-auth’s past year of commit activity
    MDX 14 MIT 2 0 1 Updated Oct 28, 2025
  • php-sdk Public

    The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.

    modelcontextprotocol/php-sdk’s past year of commit activity
    PHP 1,141 MIT 74 18 10 Updated Oct 27, 2025
  • go-sdk Public

    The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.

    modelcontextprotocol/go-sdk’s past year of commit activity
    Go 2,606 MIT 239 34 (6 issues need help) 11 Updated Oct 28, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 2,483 MIT 387 61 7 Updated Oct 28, 2025
  • registry Public

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

    modelcontextprotocol/registry’s past year of commit activity
    Go 5,757 MIT 448 66 17 Updated Oct 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 19,651 MIT 2,683 236 (2 issues need help) 68 Updated Oct 27, 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 10,477 MIT 1,376 288 (6 issues need help) 83 Updated Oct 27, 2025
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 71,394 MIT 8,542 196 97 Updated Oct 27, 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 587 MIT 77 13 6 Updated Oct 27, 2025
  • example-remote-server Public

    A hosted version of the Everything server - for demonstration and testing purposes, hosted at https://example-server.modelcontextprotocol.io/mcp

    modelcontextprotocol/example-remote-server’s past year of commit activity
    TypeScript 45 MIT 11 2 2 Updated Oct 27, 2025