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    • inspector

      Public
      Visual testing tool for MCP servers
      TypeScript
      Other
      1.3k9.7k15783Updated May 4, 2026May 4, 2026
    • java-sdk

      Public
      The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
      Java
      MIT License
      8723.4k154131Updated May 4, 2026May 4, 2026
    • csharp-sdk

      Public
      The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.
      C#
      Other
      6934.2k12750Updated May 4, 2026May 4, 2026
    • go-sdk

      Public
      The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.
      Go
      Other
      4194.5k3024Updated May 4, 2026May 4, 2026
    • access

      Public
      Infrastructure as Code for MCP access management
      TypeScript
      473601Updated May 4, 2026May 4, 2026
    • experimental-ext-skills

      Public
      Experimental exploration of skills discovery and distribution through MCP primitives. Maintained by the Skills Over MCP Working Group.
      Apache License 2.0
      15118184Updated May 4, 2026May 4, 2026
    • registry

      Public
      A community driven registry service for Model Context Protocol (MCP) servers.
      Go
      Other
      7936.8k7112Updated May 4, 2026May 4, 2026
    • ruby-sdk

      Public
      The official Ruby SDK for the Model Context Protocol.
      Ruby
      Other
      11080734Updated May 4, 2026May 4, 2026
    • Specification and documentation for the Model Context Protocol
      TypeScript
      Other
      1.5k8k127108Updated May 4, 2026May 4, 2026
    • kotlin-sdk

      Public
      The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains
      Kotlin
      Other
      2101.4k6128Updated May 4, 2026May 4, 2026
    • The official TypeScript SDK for Model Context Protocol servers and clients
      TypeScript
      Other
      1.8k12k188137Updated May 4, 2026May 4, 2026
    • python-sdk

      Public
      The official Python SDK for Model Context Protocol servers and clients
      Python
      MIT License
      3.4k23k240230Updated May 1, 2026May 1, 2026
    • experimental-ext-triggers-events

      Public
      Incubation space for the MCP Triggers & Events Working Group
      Apache License 2.0
      2501Updated May 1, 2026May 1, 2026
    • rust-sdk

      Public
      The official Rust SDK for the Model Context Protocol
      Rust
      Other
      5103.4k174Updated May 1, 2026May 1, 2026
    • Status: Experimental. This repository provides a multi-language reference implementation of the variants proposal for the Model Context Protocol (MCP), as descr…
      Go
      Apache License 2.0
      2601Updated May 1, 2026May 1, 2026
    • Status: Experimental. This repository provides a multi-language reference implementation of the proposed interceptor extension for the Model Context Protocol (M…
      C#
      Apache License 2.0
      71002Updated Apr 30, 2026Apr 30, 2026
    • ext-apps

      Public
      Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers
      TypeScript
      Other
      2682.2k7265Updated Apr 30, 2026Apr 30, 2026
    • Conformance Tests for MCP
      TypeScript
      Other
      41632421Updated Apr 30, 2026Apr 30, 2026
    • agents-wg

      Public
      Staging grounds for the Agents Working Group
      Apache License 2.0
      3401Updated Apr 29, 2026Apr 29, 2026
    • Status: Experimental. This repository provides a reference for the tasks extensions to the MCP protocol, allowing for long-running operations, such as Agent com…
      0000Updated Apr 29, 2026Apr 29, 2026
    • A hosted version of the Everything server - for demonstration and testing purposes, hosted at https://example-server.modelcontextprotocol.io/mcp
      TypeScript
      MIT License
      287244Updated Apr 29, 2026Apr 29, 2026
    • swift-sdk

      Public
      The official Swift SDK for Model Context Protocol servers and clients.
      Swift
      Other
      1871.4k3517Updated Apr 29, 2026Apr 29, 2026
    • TypeScript
      Apache License 2.0
      1101Updated Apr 28, 2026Apr 28, 2026
    • php-sdk

      Public
      The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.
      PHP
      Other
      1341.5k2414Updated Apr 26, 2026Apr 26, 2026
    • Transports Working Group
      Other
      71418Updated Apr 24, 2026Apr 24, 2026
    • A repository of servers and clients from the Model Context Protocol tutorials
      Go
      Other
      6111.1k91Updated Apr 24, 2026Apr 24, 2026
    • actions

      Public
      GitHub Actions relevant to the management of MCP repositories.
      JavaScript
      MIT License
      1200Updated Apr 24, 2026Apr 24, 2026
    • mcpb

      Public
      Desktop Extensions: One-click local MCP server installation in desktop apps
      TypeScript
      Other
      1861.9k3516Updated Apr 22, 2026Apr 22, 2026
    • servers

      Public
      Model Context Protocol Servers
      TypeScript
      Other
      11k85k249154Updated Apr 17, 2026Apr 17, 2026
    • dns

      Public
      Infrastructure as Code for MCP domains / DNS management
      TypeScript
      71001Updated Apr 17, 2026Apr 17, 2026
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