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@modelcontextprotocol

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 6.8k 1.2k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 75.8k 9.2k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 21k 3k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.2k 1.5k

  5. csharp-sdk csharp-sdk Public

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

    C# 3.8k 598

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 8.2k 1.1k

Repositories

Showing 10 of 32 repositories
  • ext-apps Public

    Official repo for SDK of upcoming Apps / UI extension

    modelcontextprotocol/ext-apps’s past year of commit activity
    TypeScript 339 MIT 54 28 26 Updated Jan 8, 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 11,245 MIT 1,548 183 (9 issues need help) 80 Updated Jan 8, 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# 3,760 MIT 598 125 13 Updated Jan 8, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 6,848 1,217 247 87 Updated Jan 8, 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 21,007 MIT 2,973 237 (1 issue needs help) 78 Updated Jan 8, 2026
  • transports-wg Public

    Transports Working Group

    modelcontextprotocol/transports-wg’s past year of commit activity
    1 MIT 0 0 0 Updated Jan 8, 2026
  • registry Public

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

    modelcontextprotocol/registry’s past year of commit activity
    Go 6,228 MIT 553 92 14 Updated Jan 8, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 8,212 MIT 1,084 108 (1 issue needs help) 42 Updated Jan 7, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 75,775 MIT 9,189 210 (1 issue needs help) 48 Updated Jan 8, 2026
  • ruby-sdk Public

    The official Ruby SDK for the Model Context Protocol. Maintained in collaboration with Shopify.

    modelcontextprotocol/ruby-sdk’s past year of commit activity
    Ruby 674 MIT 91 10 6 Updated Jan 8, 2026