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.

🎨 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.

Basecamp CLI and Agent Skills

Native Delphi Server implementation of the Model Context Protocol (MCP)

Algorand Local Model Context Protocol (Server & Client)

A unified Model Context Protocol server implementation that aggregates multiple MCP servers into one.

MCP server for TouchDesigner — build, wire, and debug networks with AI. Plus git-diffable externalization.

The python library for research and development in NLP, multimodal LLMs, Agents, ML, Knowledge Graphs, and more.

Open-source control plane for your AI agents. Connect tools, hire agents, track every token and dollar

🐬DeepChat - A smart assistant that connects powerful AI to your personal world

Rails Engine with MCP compliant Spec.

Code, Build and Evaluate agents - excellent Model and Skills/MCP/ACP/A2A Support

Klavis AI: MCP integration platforms that let AI agents use tools reliably at any scale

Source control for agents. Use multiple coding agents, track their changes and query them in one place

Multi-Agent + Automation: Workflows, Automation, Self-Improving Agents

Open-source governed, local-first memory control plane for AI agents and teams. arXiv:2608.08253

A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.

MCP server for Basecamp 3 with OAuth, FastMCP, and 75 tools for projects, todos, messages, card tables, docs, uploads, and search.

Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.

Natural Context Provider (NCP). Your MCPs, supercharged. Find any tool instantly, load on demand, run on schedule, ready for any client. Smart loading saves tokens and energy.

MCP Server for Bear note taking app available as Claude Desktop extension or standalone server for any other AI tool

Give your AI assistant superpowers for Zotero plugin development. 28 tools for screenshots, DOM inspection, JavaScript execution, build integration, and debugging via Model Context Protocol.

Lightweight Agent Workstation for Codex CLI + Claude Code — with task scheduler, git worktree & remote control