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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 2.7k 389

  2. servers Public

    Model Context Protocol Servers

    JavaScript 43.7k 4.8k

  3. python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 11.4k 1.3k

  4. typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 6.2k 710

  5. csharp-sdk Public

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

    C# 1.9k 257

  6. inspector Public

    Visual testing tool for MCP servers

    TypeScript 2.7k 368

Repositories

Showing 10 of 15 repositories
  • csharp-sdk Public

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

    C# 1,920 MIT 257 50 4 Updated May 6, 2025
  • inspector Public

    Visual testing tool for MCP servers

    TypeScript 2,693 MIT 368 40 18 Updated May 5, 2025
  • servers Public

    Model Context Protocol Servers

    JavaScript 43,696 MIT 4,830 260 (1 issue needs help) 397 Updated May 5, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 2,731 MIT 389 94 (1 issue needs help) 64 Updated May 5, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 11,422 MIT 1,252 202 (5 issues need help) 82 Updated May 4, 2025
  • swift-sdk Public

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

    Swift 462 MIT 39 16 7 Updated May 2, 2025
  • kotlin-sdk Public

    The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

    Kotlin 622 MIT 84 25 (5 issues need help) 11 Updated May 2, 2025
  • typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 6,200 MIT 710 142 47 Updated May 1, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    Rust 978 MIT 137 24 (2 issues need help) 8 Updated Apr 29, 2025
  • java-sdk Public

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

    Java 1,384 MIT 326 61 36 Updated Apr 29, 2025