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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 9.4k 1.9k

  2. servers servers Public

    Model Context Protocol Servers

    JavaScript 91.2k 11.8k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 24.5k 4k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 13.6k 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 822

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 11.1k 1.5k

Repositories

Showing 10 of 43 repositories
  • typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    modelcontextprotocol/typescript-sdk's past year of commit activity
    TypeScript 13,557 2,278 246 (7 issues need help) 310 Updated Oct 12, 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 5,205 586 73 (1 issue needs help) 69 Updated Oct 12, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector's past year of commit activity
    TypeScript 11,057 1,542 47 1 Updated Oct 12, 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 24,548 MIT 4,030 247 (1 issue needs help) 108 Updated Oct 12, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,435 1,863 60 58 Updated Oct 12, 2026
  • conformance Public

    Conformance Tests for MCP

    modelcontextprotocol/conformance's past year of commit activity
    TypeScript 131 111 72 61 Updated Oct 12, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers's past year of commit activity
    JavaScript 91,168 11,779 207 282 Updated Oct 12, 2026
  • registry Public

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

    modelcontextprotocol/registry's past year of commit activity
    Go 7,342 1,028 127 (2 issues need help) 48 Updated Oct 11, 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 924 136 3 1 Updated Oct 11, 2026
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk's past year of commit activity
    Rust 4,004 662 27 (1 issue needs help) 40 Updated Oct 11, 2026