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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 7.1k 1.3k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 77.9k 9.4k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 21.5k 3k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.5k 1.6k

  5. csharp-sdk csharp-sdk Public

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

    C# 3.9k 616

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 8.5k 1.1k

Repositories

Showing 10 of 35 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 11,485 1,591 187 (9 issues need help) 95 Updated Feb 3, 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# 3,856 616 132 14 Updated Feb 3, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 8,528 1,128 112 (1 issue needs help) 46 Updated Feb 3, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access’s past year of commit activity
    TypeScript 28 33 0 3 Updated Feb 3, 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 3,755 343 46 (4 issues need help) 17 Updated Feb 3, 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
    5 Apache-2.0 1 0 0 Updated Feb 3, 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 21,497 MIT 3,049 246 (1 issue needs help) 97 Updated Feb 3, 2026
  • 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 1,298 145 47 47 Updated Feb 4, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 7,093 1,280 195 82 Updated Feb 3, 2026
  • dns Public

    Infrastructure as Code for MCP domains / DNS management

    modelcontextprotocol/dns’s past year of commit activity
    TypeScript 5 2 0 1 Updated Feb 3, 2026