Skip to content
@modelcontextprotocol

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.

Pinned Loading

  1. modelcontextprotocol modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    TypeScript 7.6k 1.4k

  2. servers servers Public

    Model Context Protocol Servers

    TypeScript 81.7k 10k

  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 664

  6. inspector inspector Public

    Visual testing tool for MCP servers

    TypeScript 9.1k 1.2k

Repositories

Showing 10 of 39 repositories
  • 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# 4,119 664 115 (1 issue needs help) 36 Updated Mar 21, 2026
  • conformance Public

    Conformance Tests for MCP

    modelcontextprotocol/conformance’s past year of commit activity
    TypeScript 47 32 14 32 Updated Mar 21, 2026
  • modelcontextprotocol Public

    Specification and documentation for the Model Context Protocol

    modelcontextprotocol/modelcontextprotocol’s past year of commit activity
    TypeScript 7,572 1,394 155 73 Updated Mar 21, 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
    Go 1,034 599 11 3 Updated Mar 21, 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 11,911 1,693 207 (10 issues need help) 175 Updated Mar 21, 2026
  • registry Public

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

    modelcontextprotocol/registry’s past year of commit activity
    Go 6,576 677 136 15 Updated Mar 20, 2026
  • experimental-ext-variants Public

    Status: Experimental. This repository provides a multi-language reference implementation of the variants proposal for the Model Context Protocol (MCP), as described in SEP-2053.

    modelcontextprotocol/experimental-ext-variants’s past year of commit activity
    Go 5 Apache-2.0 2 0 2 Updated Mar 20, 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 22,242 MIT 3,192 236 (1 issue needs help) 170 Updated Mar 20, 2026
  • transports-wg Public

    Transports Working Group

    modelcontextprotocol/transports-wg’s past year of commit activity
    13 8 0 8 Updated Mar 20, 2026
  • 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 1,304 202 96 (3 issues need help) 24 Updated Mar 20, 2026