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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 2.1k 270

  2. servers Public

    Model Context Protocol Servers

    JavaScript 38.1k 4.1k

  3. python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 9.8k 1k

  4. typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 5.4k 593

  5. csharp-sdk Public

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

    C# 1.7k 219

  6. inspector Public

    Visual testing tool for MCP servers

    TypeScript 2.1k 298

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# 1,663 MIT 219 41 6 Updated Apr 19, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 9,762 MIT 1,000 174 (5 issues need help) 63 Updated Apr 18, 2025
  • servers Public

    Model Context Protocol Servers

    JavaScript 38,065 MIT 4,120 280 (1 issue needs help) 369 Updated Apr 18, 2025
  • kotlin-sdk Public

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

    Kotlin 537 MIT 72 19 (5 issues need help) 10 Updated Apr 18, 2025
  • java-sdk Public

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

    Java 1,127 MIT 255 44 23 Updated Apr 18, 2025
  • typescript-sdk Public

    The official Typescript SDK for Model Context Protocol servers and clients

    TypeScript 5,370 MIT 593 110 34 Updated Apr 18, 2025
  • swift-sdk Public

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

    Swift 376 MIT 32 15 8 Updated Apr 18, 2025
  • rust-sdk Public

    The official Rust SDK for the Model Context Protocol

    Rust 754 MIT 112 21 (2 issues need help) 9 Updated Apr 17, 2025
  • inspector Public

    Visual testing tool for MCP servers

    TypeScript 2,122 MIT 298 35 10 Updated Apr 17, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 2,119 MIT 270 70 (1 issue needs help) 48 Updated Apr 17, 2025