The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Unity MCP
Unity MCP acts as a bridge between AI assistants and your Unity Editor. Give your LLM tools to manage assets, control scenes, edit scripts, and automate tasks within Unity.
Install
$
git clone https://github.com/CoplayDev/unity-mcpInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →Proudly sponsored and maintained by Aura — the AI assistant for Unreal & Unity.
And don't miss Godot AI, the new open source project from the makers of MCP for Unity.
Create your Unity apps with LLMs. MCP for Unity bridges AI assistants — Claude, Codex, VS Code, local LLMs, and more — with your Unity Editor via Model Context Protocol. Give your LLM the tools to manage assets, control scenes, edit scripts, run tests, and automate your game dev workflows.
Recent Updates
- v10.3.0 (2026-10-04)
- v10.2.0 (2026-09-01)
- v10.1.2 (2026-08-02)
- v10.1.0 (2026-07-13)
- v10.0.2 (2026-07-13)
Full history: Release Notes.
What it does
Control the Unity Editor in natural language from any MCP client — create scenes & GameObjects, edit C# scripts, manage assets, run tests, profile, and build. 50 focused MCP tool entrypoints, any client, free & MIT.
Browse the full tool catalog →
Quickstart
Requirements: Unity 2021.3 LTS → 6.x · Python 3.10+ (via uv). Works with any MCP client — Claude Desktop & Code, Cursor, VS Code, Windsurf, Cline, Gemini CLI, and more.
- Install — Unity → Package Manager → Add from git URL:
https://github.com/CoplayDev/unity-mcp.git?path=/MCPForUnity#main(pin#v10.0.0for this release, oropenupm add com.coplaydev.unity-mcp) - Configure —
Window → MCP for Unity → Configure All Detected Clients. - Prompt — "Create a cube at the origin and add a Rigidbody." The cube appears in seconds.
Community
- Discord — chat with maintainers and other contributors
- Issues — bugs and feature requests
- Discussions — design ideas and broader questions
- Security: see SECURITY.md for private reporting
Contributing
See CONTRIBUTING.md. Branch off beta, not main. The full dev setup, testing, and release process live in the Contributing docs.
Advanced
- Multiple Unity instances — Multi-Instance Routing
- Tool groups (vfx / animation / ui / testing / etc.) — Tool Groups
- v10 asset generation and upgrade notes — v10 Migration
- Roslyn script validation — Roslyn Validation
- Remote-hosted server with auth — Remote Server Auth
Star History
Similar plugs
Reverse engineer anything with agents, from app behavior down to native binaries.
Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype…
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io