An MCP server that allows MCP clients like Claude Desktop or Cursor to perform actions in the Unity Editor C#-based implementation.
Documentation
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 . Give your LLM the tools to manage assets, control scenes, edit scripts, run tests, and automate your game dev workflows.
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Recent Updates
- **v10.0.0** (2026-06-30)
- **v9.7.3** (2026-06-15)
- **v9.7.1** (2026-05-24)
- **v9.7.0** (2026-05-22)
- **v9.6.8** (2026-04-27)
Full history: Release Notes.
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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. 47 focused MCP tool entrypoints, any client, free & MIT.
**Browse the full tool catalog →**
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Quickstart
Requirements: Unity 2021.3 LTS → 6.x · Python 3.10+ (via [uv](https://docs.astral.sh/uv/)). Works with any MCP client — Claude Desktop & Code, Cursor, VS Code, Windsurf, Cline, Gemini CLI, and more.
1. Install — Unity → Package Manager → Add from git URL:
https://github.com/CoplayDev/unity-mcp.git?path=/MCPForUnity#main _(pin #v10.0.0 for this release, or openupm add com.coplaydev.unity-mcp)_
2. Configure — Window → MCP for Unity → Configure All Detected Clients.
3. Prompt — *"Create a cube at the origin and add a Rigidbody."* The cube appears in seconds.
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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
Citation
If MCP for Unity helped your research, please cite it.
@inproceedings{wu2025mcpunity,
author = {Wu, Shutong and Barnett, Justin P.},
title = {{MCP-Unity}: {Protocol-Driven} Framework for Interactive {3D} Authoring},
year = {2025},
isbn = {9798400721366},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
url = {https://doi.org/10.1145/3757376.3771417},
doi = {10.1145/3757376.3771417},
series = {SA Technical Communications '25}
}Unity AI Tools by Aura
Aura offers 2 AI tools for Unity:
- MCP for Unity is available freely under the MIT license.
- Aura for Unity is a premium Unity/Unreal AI assistant built for game devs.
Disclaimer
This project is a free and open-source tool for the Unity Editor, and is not affiliated with Unity Technologies.
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License: MIT — see LICENSE.
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