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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 9.4k 1.8k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 90.9k 11.7k

  3. python-sdk python-sdk Public

    The official Python SDK for Model Context Protocol servers and clients

    Python 24.4k 4k

  4. typescript-sdk typescript-sdk Public

    The official TypeScript SDK for Model Context Protocol servers and clients

    TypeScript 13.5k 2.2k

  5. csharp-sdk csharp-sdk Public

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

    C# 4.6k 817

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 11k 1.5k

Repositories

Showing 10 of 42 repositories
  • servers Public

    Model Context Protocol Servers

    modelcontextprotocol/servers's past year of commit activity
    TypeScript 90,856 11,729 240 328 Updated Oct 1, 2026
  • go-sdk Public

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

    modelcontextprotocol/go-sdk's past year of commit activity
    Go 5,173 560 60 (1 issue needs help) 55 Updated Oct 1, 2026
  • inspector Public

    Visual testing tool for MCP servers

    modelcontextprotocol/inspector's past year of commit activity
    TypeScript 10,994 1,535 56 3 Updated Oct 1, 2026
  • access Public

    Infrastructure as Code for MCP access management

    modelcontextprotocol/access's past year of commit activity
    TypeScript 48 66 0 0 Updated Oct 1, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol's past year of commit activity
    TypeScript 9,355 1,845 56 58 Updated Oct 1, 2026
  • quickstart-resources Public

    A repository of servers and clients from the Model Context Protocol tutorials

    modelcontextprotocol/quickstart-resources's past year of commit activity
    TypeScript 1,210 685 5 10 Updated Sep 30, 2026
  • registry Public

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

    modelcontextprotocol/registry's past year of commit activity
    Go 7,305 1,016 124 (2 issues need help) 51 Updated Sep 30, 2026
  • ext-tasks Public

    This repository provides a reference for the tasks extensions to the MCP protocol, allowing for long-running operations, such as Agent communication, in MCP.

    modelcontextprotocol/ext-tasks's past year of commit activity
    TypeScript 50 Apache-2.0 10 5 3 Updated Sep 30, 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 24,444 MIT 3,993 268 (1 issue needs help) 192 Updated Sep 30, 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 13,494 2,240 287 (7 issues need help) 314 Updated Sep 30, 2026