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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 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 9.5k 1.9k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 91.6k 11.9k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 24.7k 4.1k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 13.7k 2.3k

  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

    Visual testing tool for MCP servers

    TypeScript 11.2k 1.6k

Repositories

Showing 10 of 45 repositories
  • ext-apps Public

    Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers

    modelcontextprotocol/ext-apps's past year of commit activity
    TypeScript 3,010 420 133 106 Updated Oct 27, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers's past year of commit activity
    TypeScript 91,597 11,871 101 29 Updated Oct 27, 2026
  • csharp-sdk Public

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

    modelcontextprotocol/csharp-sdk's past year of commit activity
    C# 4,601 838 140 (13 issues need help) 75 Updated Oct 27, 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 13,661 2,343 271 (7 issues need help) 345 Updated Oct 27, 2026
  • ruby-sdk Public

    The official Ruby SDK for the Model Context Protocol servers and clients.

    modelcontextprotocol/ruby-sdk's past year of commit activity
    Ruby 938 139 3 0 Updated Oct 27, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,540 1,885 63 52 Updated Oct 26, 2026
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk's past year of commit activity
    Rust 4,055 681 28 (1 issue needs help) 40 Updated Oct 26, 2026
  • experimental-ext-triggers-events Public

    Incubation space for the MCP Triggers & Events Working Group

    modelcontextprotocol/experimental-ext-triggers-events's past year of commit activity
    38 Apache-2.0 10 4 6 Updated Oct 26, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access's past year of commit activity
    TypeScript 53 73 0 1 Updated Oct 26, 2026
  • registry Public

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

    modelcontextprotocol/registry's past year of commit activity
    Go 7,410 1,040 78 (1 issue needs help) 31 Updated Oct 26, 2026