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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 hosted by The Linux Foundation 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 7.5k 1.4k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 81.2k 9.9k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 22.2k 3.2k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 11.9k 1.7k

  5. csharp-sdk csharp-sdk Public

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

    C# 4.1k 663

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 9.1k 1.2k

Repositories

Showing 10 of 38 repositories
  • 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 1,294 201 95 (3 issues need help) 25 Updated Mar 16, 2026
  • python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    modelcontextprotocol/python-sdk’s past year of commit activity
    Python 22,158 MIT 3,182 238 (1 issue needs help) 175 Updated Mar 16, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 7,514 1,379 159 77 Updated Mar 16, 2026
  • registry Public

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

    modelcontextprotocol/registry’s past year of commit activity
    Go 6,552 658 129 13 Updated Mar 16, 2026
  • 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# 4,092 663 109 (1 issue needs help) 36 Updated Mar 16, 2026
  • experimental-ext-skills Public

    Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Interest Group.

    modelcontextprotocol/experimental-ext-skills’s past year of commit activity
    53 Apache-2.0 8 17 (2 issues need help) 4 Updated Mar 16, 2026
  • typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    modelcontextprotocol/typescript-sdk’s past year of commit activity
    TypeScript 11,855 1,678 206 (10 issues need help) 145 Updated Mar 16, 2026
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers’s past year of commit activity
    TypeScript 81,215 9,924 300 210 Updated Mar 15, 2026
  • ruby-sdk Public

    The official Ruby SDK for the Model Context Protocol.

    modelcontextprotocol/ruby-sdk’s past year of commit activity
    Ruby 752 101 5 5 Updated Mar 15, 2026
  • mcpb Public

    Desktop Extensions: One-click local MCP server installation in desktop apps

    modelcontextprotocol/mcpb’s past year of commit activity
    TypeScript 1,772 168 39 18 Updated Mar 15, 2026