MCP for Unity
Control the Unity Editor from an agent over MCP: scenes and objects, C# scripts, assets, tests, profiling and builds
- 15,537 ★ on the repository
- Last commit
- MIT
Broad access
Why this level
- Modifies project scenes, assets and C# scripts
- Runs builds and tests in the editor
Install
- Works in
Manual install
openupm add com.coplaydev.unity-mcpOpenUPM alternative, run in the Unity project folder.
Access and checks
How we reviewBroad accessThe tool can change data, run commands or handle secrets.
- Modifies project scenes, assets and C# scripts
- Runs builds and tests in the editor
This is third-party code. Review the repository files before installing.
What it does
MCP for Unity links the Unity Editor to an agent: a package inside Unity receives commands and a Python server exposes them to the client as MCP tools. The agent can create scenes and game objects, add components, edit C# scripts, manage assets, run tests, profile and build the project. Tools are grouped, for example for VFX, animation and UI. It supports several open Unity instances and a remote server with auth.
Who it is for. For Unity game and interactive app developers who want an agent to handle routine editor work.
Good fit when
- You want to prototype a scene from a text description quickly
- You need bulk changes to objects, components or assets
- The agent should run tests and builds itself after editing scripts
Not a fit when
- The project uses Unreal, Godot or another engine
- Your Unity version is older than 2021.3 LTS
Example request
Create a cube at the origin and add a Rigidbody to itMCP
- Transport
- stdio, http
- Authentication
- not required
Limitations
Requires Unity 2021.3 LTS through 6.x and Python 3.10+ via uv. The editor must be open. The project is not affiliated with Unity Technologies. The agent changes scenes and scripts directly, so work under version control.
How to disable. Remove the MCP for Unity package in Package Manager and delete the server from the client's MCP config.
FAQ
Do I have to add the server to the client by hand?
Usually not: the package menu has an item that configures detected clients automatically.
Is it paid?
No, it is free under MIT. The paid Aura assistant from the same team is a separate product.
Discussion
No questions or reviews yet.
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Comparison with similar tools
Entries that share the main search query, and how they differ.
| Entry | Official | Authentication | Repository stars | Main difference |
|---|---|---|---|---|
| MCP for Unity (this entry) | no | not required | 15,537 | |
| Roblox Studio MCP (community, debugging and playtests) | no | not required | 345 | MCP server for Roblox Studio |
| WEPPY Roblox AI Toolkit | no | not required | 69 | an MCP server plus a plugin for Roblox Studio |
| renderdoc-mcp | no | not required | 373 | an MCP server and CLI for RenderDoc |
README in short
The README briefly lists capabilities and gives three steps: add the package to Unity via git URL or OpenUPM, configure clients from the menu and send a first prompt. The full tool catalog, tool groups, multi-instance routing and remote server are in the docs. MIT licensed.