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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 hosted by The Linux Foundation 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 9.6k 1.9k

  2. servers servers Public

    Model Context Protocol Reference Servers

    TypeScript 91.8k 11.9k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 24.8k 4.1k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 13.7k 2.4k

  5. csharp-sdk csharp-sdk Public

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

    C# 4.6k 839

  6. inspector inspector Public

    Deterministic testing tools for MCP servers

    TypeScript 11.2k 1.6k

Repositories

Showing 10 of 45 repositories
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk's past year of commit activity
    Rust 4,092 696 28 (1 issue needs help) 37 Updated Nov 5, 2026
  • inspector Public

    Deterministic testing tools for MCP servers

    modelcontextprotocol/inspector's past year of commit activity
    TypeScript 11,238 1,556 23 0 Updated Nov 5, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,621 1,896 71 57 Updated Nov 5, 2026
  • typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    modelcontextprotocol/typescript-sdk's past year of commit activity
    TypeScript 13,713 2,367 285 (7 issues need help) 361 Updated Nov 5, 2026
  • 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 5,313 611 39 (1 issue needs help) 39 Updated Nov 5, 2026
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    modelcontextprotocol/python-sdk's past year of commit activity
    Python 24,771 MIT 4,101 286 (1 issue needs help) 109 Updated Nov 5, 2026
  • registry Public

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

    modelcontextprotocol/registry's past year of commit activity
  • experimental-ext-file-uploads Public

    Experimental MCP extension for uploading files to tools over MCP. Maintained by the File Uploads Working Group.

    modelcontextprotocol/experimental-ext-file-uploads's past year of commit activity
    1 Apache-2.0 1 0 1 Updated Nov 5, 2026
  • servers Public

    Model Context Protocol Reference Servers

    modelcontextprotocol/servers's past year of commit activity
    TypeScript 91,815 11,914 7 3 Updated Nov 5, 2026
  • 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 1,657 195 50 (2 issues need help) 20 Updated Nov 5, 2026