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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 Public

    Specification and documentation for the Model Context Protocol

    TypeScript 4.5k 717

  2. servers Public

    Model Context Protocol Servers

    TypeScript 58.5k 6.8k

  3. python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 15.9k 2k

  4. typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 8.4k 1k

  5. csharp-sdk Public

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

    C# 2.7k 411

  6. inspector Public

    Visual testing tool for MCP servers

    TypeScript 4.8k 608

Repositories

Showing 10 of 21 repositories
  • use-mcp Public
    TypeScript 810 MIT 44 4 3 Updated Jul 9, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 4,472 MIT 717 143 120 Updated Jul 8, 2025
  • registry Public

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

    Go 1,864 MIT 137 50 11 Updated Jul 9, 2025
  • inspector Public

    Visual testing tool for MCP servers

    TypeScript 4,753 MIT 608 89 26 Updated Jul 8, 2025
  • swift-sdk Public

    The official Swift SDK for Model Context Protocol servers and clients. Maintained in collaboration with @loopwork.

    Swift 794 MIT 83 27 14 Updated Jul 8, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 15,850 MIT 2,005 334 (5 issues need help) 80 Updated Jul 8, 2025
  • go-sdk Public

    The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.

    Go 692 MIT 46 32 (2 issues need help) 12 Updated Jul 8, 2025
  • java-sdk Public

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

    Java 2,021 MIT 531 111 68 Updated Jul 8, 2025
  • csharp-sdk Public

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

    C# 2,734 MIT 411 59 4 Updated Jul 8, 2025
  • typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 8,351 MIT 1,020 240 30 Updated Jul 8, 2025

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