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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 7.5k 1.4k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 81.3k 9.9k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 22.2k 3.2k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.9k 1.7k

  5. csharp-sdk csharp-sdk Public

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

    C# 4.1k 663

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 9.1k 1.2k

Repositories

Showing 10 of 39 repositories
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    modelcontextprotocol/python-sdk’s past year of commit activity
    Python 22,186 MIT 3,183 237 (1 issue needs help) 176 Updated Mar 17, 2026
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    modelcontextprotocol/rust-sdk’s past year of commit activity
    Rust 3,184 479 17 (1 issue needs help) 6 Updated Mar 17, 2026
  • mcpb Public

    Desktop Extensions: One-click local MCP server installation in desktop apps

    modelcontextprotocol/mcpb’s past year of commit activity
    TypeScript 1,776 170 40 18 Updated Mar 17, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 7,523 1,383 159 77 Updated Mar 17, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 9,092 1,215 132 (2 issues need help) 67 Updated Mar 17, 2026
  • example-remote-server Public

    A hosted version of the Everything server - for demonstration and testing purposes, hosted at https://example-server.modelcontextprotocol.io/mcp

    modelcontextprotocol/example-remote-server’s past year of commit activity
    TypeScript 71 MIT 27 4 4 Updated Mar 17, 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 4,155 380 33 (2 issues need help) 14 Updated Mar 17, 2026
  • experimental-ext-skills Public

    Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Interest Group.

    modelcontextprotocol/experimental-ext-skills’s past year of commit activity
    55 Apache-2.0 9 20 (2 issues need help) 5 Updated Mar 17, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 81,333 9,942 302 217 Updated Mar 17, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access’s past year of commit activity
    TypeScript 32 39 0 0 Updated Mar 17, 2026