Development
Plugin
coplaydev-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.
Plugin Signal72/100Solid
maintained99
capable29
documented75
adopted88
Install
$ npx -y skills add CoplayDev/unity-mcp --agent claude-code
What's inside
Skill(3 skills)
/blender-to-unityHand off a model from Blender (via BlenderMCP) into Unity (via MCP for Unity) — export the current Blender model, import it through import_model_file, and place it in the open scene. Use when the user has BlenderMCP and MCP for Unity both connected and wants to bring a Blender/mcp-sourceSwitch MCP for Unity package source in connected Unity projects. Use /mcp-source [main|beta|branch|local] to swap between upstream releases, your remote branch, or local dev checkout./unity-mcp-skillOrchestrate Unity Editor via MCP (Model Context Protocol) tools and resources. Use when working with Unity projects through MCP for Unity - creating/modifying GameObjects, editing scripts, managing scenes, running tests, or any Unity Editor automation. Provides best practices,
README
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.
- 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.
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 →
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
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.
License: MIT — see LICENSE.
File tree
Showing a partial view of a very large repo.
FAQ
coplaydev-unity-mcp is a Claude Code plugin with 3 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes blender-to-unity, mcp-source, unity-mcp-skill. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.
- What is coplaydev-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.
- How do I install coplaydev-unity-mcp?
- Run these in Claude Code: npx -y skills add CoplayDev/unity-mcp --agent claude-code. Then prompt normally.
- Does coplaydev-unity-mcp auto-invoke its skills?
- Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.
- Is coplaydev-unity-mcp free?
- Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.
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