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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 1.8k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 90.9k 11.7k

  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 13.5k 2.2k

  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 818

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 11k 1.5k

Repositories

Showing 10 of 42 repositories
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,361 1,846 56 59 Updated Oct 2, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector's past year of commit activity
    TypeScript 11,002 1,536 58 4 Updated Oct 2, 2026
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk's past year of commit activity
    Rust 3,970 653 18 (1 issue needs help) 35 Updated Oct 1, 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 13,498 2,242 288 (7 issues need help) 314 Updated Oct 1, 2026
  • transports-wg Public

    Transports Working Group

    modelcontextprotocol/transports-wg's past year of commit activity
    24 12 2 11 Updated Oct 1, 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 921 135 3 4 Updated Oct 1, 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 24,452 MIT 4,000 257 (1 issue needs help) 194 Updated Oct 1, 2026
  • kotlin-sdk Public

    The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

    modelcontextprotocol/kotlin-sdk's past year of commit activity
    Kotlin 1,463 249 116 (2 issues need help) 9 Updated Oct 1, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers's past year of commit activity
    TypeScript 90,943 11,745 242 332 Updated Oct 1, 2026
  • conformance Public

    Conformance Tests for MCP

    modelcontextprotocol/conformance's past year of commit activity
    TypeScript 127 108 67 57 Updated Oct 1, 2026