A macOS app for managing MCP servers and agent skills, with a headless stdio runner.
Unity MCP Server — 268 tools for AI-assisted game development. Connect Claude, Cursor, or any MCP client to Unity Editor & Unity Hub. Scene management, GameObjects, components, builds, profiling, Shader Graph, Amplify, terrain, physics, NavMesh, animation, MPPM multiplayer & more. Free & open source by AnkleBreaker Studio.
CLI & API for MCP management
OpenAPI specification MCP server.
🎨 Open-source design MCP server + shadcn/ui registry — AI design systems for Claude Code, Cursor, Codex, GitHub Copilot & any MCP client. 31 brand-grade themes (Linear, Stripe, Vercel, Notion, Apple, Supabase, Figma…) + design tokens, UI principles & WCAG rules. Install any component with one command.
Heimdall — MCP server for the Apple App Store Connect API and App Store Server API (StoreKit 2). 890 tools across 13 profiles, generated from Apple's OpenAPI spec, plus one-call macros for worldwide pricing, submission readiness and metadata diffs, and confirm-before-write safety. Works with Claude, Codex, Cursor and any MCP client.
The official Python SDK for Model Context Protocol servers and clients
The official Ruby SDK for the Model Context Protocol servers and clients.
Basecamp CLI and Agent Skills
MCP server for anki
The official TypeScript SDK for Model Context Protocol servers and clients
MCP server for Withings health data integration

A CLI tool for building Go applications.
A native desktop application for developing, testing, and debugging Model Context Protocol servers.
Model Context Protocol server enabling AI assistants to access transit information through standardized interfaces
Garmin Connect MCP
pentestMCP: AI-Powered Penetration Testing via MCP, an MCP designed for penetration testers.
ScaledMCP is a horizontally scalabled MCP and A2A Server. You know, for AI.

🚀 The fast, Pythonic way to build MCP servers and clients.
The official Go SDK for Model Context Protocol servers and clients. Maintained in collaboration with Google.
Native Delphi Server implementation of the Model Context Protocol (MCP)
The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation.

MCP Playbooks for AI agents

Fabric MCP Server: Seamlessly integrate Fabric AI capabilities into MCP-enabled tools like IDEs and chat interfaces.