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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 run by Anthropic, PBC. 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 5.9k 1k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 70.7k 8.4k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 19.4k 2.6k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 10.3k 1.3k

  5. csharp-sdk csharp-sdk Public

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

    C# 3.4k 544

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 7.1k 901

Repositories

Showing 10 of 27 repositories
  • 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# 3,428 MIT 544 126 13 Updated Oct 17, 2025
  • 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 1,100 MIT 162 61 (4 issues need help) 14 Updated Oct 17, 2025
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 70,666 MIT 8,417 197 65 Updated Oct 17, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    modelcontextprotocol/python-sdk’s past year of commit activity
    Python 19,414 MIT 2,634 230 (2 issues need help) 63 Updated Oct 17, 2025
  • registry Public

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

    modelcontextprotocol/registry’s past year of commit activity
    Go 5,681 MIT 432 63 16 Updated Oct 17, 2025
  • 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 40 MIT 9 2 2 Updated Oct 17, 2025
  • static Public

    want a static file hosted somewhere? static.modelcontextprotocol.io is somewhere!

    modelcontextprotocol/static’s past year of commit activity
    2 MIT 3 0 0 Updated Oct 16, 2025
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector’s past year of commit activity
    TypeScript 7,060 MIT 901 122 (1 issue needs help) 35 Updated Oct 17, 2025
  • typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    modelcontextprotocol/typescript-sdk’s past year of commit activity
    TypeScript 10,340 MIT 1,347 304 (4 issues need help) 78 Updated Oct 16, 2025
  • 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 569 MIT 75 15 7 Updated Oct 16, 2025