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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

    TypeScript 91.1k 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 13.5k 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 820

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 11k 1.5k

Repositories

Showing 10 of 42 repositories
  • 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 5,188 571 63 (1 issue needs help) 58 Updated Oct 7, 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 1,621 179 60 (2 issues need help) 22 Updated Oct 7, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector's past year of commit activity
    TypeScript 11,033 1,541 45 4 Updated Oct 7, 2026
  • registry Public

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

    modelcontextprotocol/registry's past year of commit activity
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk's past year of commit activity
    Rust 3,982 652 21 (1 issue needs help) 35 Updated Oct 6, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,400 1,853 59 59 Updated Oct 6, 2026
  • java-sdk Public

    The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

    modelcontextprotocol/java-sdk's past year of commit activity
    Java 3,722 MIT 1,152 112 (2 issues need help) 168 Updated Oct 6, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access's past year of commit activity
    TypeScript 49 69 0 1 Updated Oct 6, 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 13,530 2,259 255 (7 issues need help) 301 Updated Oct 6, 2026
  • transports-wg Public

    Transports Working Group

    modelcontextprotocol/transports-wg's past year of commit activity
    24 12 2 13 Updated Oct 6, 2026