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Model Context Protocol

An open protocol that enables seamless integration between LLM applications and external data sources and tools.
README.md

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 4.8k 784

  2. servers Public

    Model Context Protocol Servers

    TypeScript 61.1k 7.1k

  3. python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 16.6k 2.1k

  4. typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 8.7k 1.1k

  5. csharp-sdk Public

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

    C# 2.9k 439

  6. inspector Public

    Visual testing tool for MCP servers

    TypeScript 5.1k 657

Repositories

Showing 10 of 22 repositories
  • csharp-sdk Public

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

    C# 2,868 MIT 439 71 9 Updated Jul 23, 2025
  • typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 8,725 MIT 1,090 256 34 Updated Jul 23, 2025
  • kotlin-sdk Public

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

    Kotlin 942 MIT 135 48 (5 issues need help) 9 Updated Jul 23, 2025
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 4,761 MIT 784 154 121 Updated Jul 23, 2025
  • go-sdk Public

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

    Go 1,084 MIT 80 28 (3 issues need help) 10 Updated Jul 23, 2025
  • use-mcp Public
    TypeScript 855 MIT 50 7 4 Updated Jul 23, 2025
  • ruby-sdk Public

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

    Ruby 332 MIT 50 5 8 Updated Jul 23, 2025
  • registry Public

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

    Go 1,948 MIT 154 54 14 Updated Jul 23, 2025
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 16,563 MIT 2,126 347 (5 issues need help) 65 Updated Jul 22, 2025
  • java-sdk Public

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

    Java 2,124 MIT 557 122 54 Updated Jul 22, 2025
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