Unity

by justinpbarnett

1.6k stars

11.2k downloads

Not rated

GitHub Website

About

Allow MCP clients to perform Unity Editor actions.

Details

Author: justinpbarnett
Repository: CoplayDev/unity-mcp
GitHub stars: 1,591
Downloads: 11,223
License: MIT License
Categories: Productivity, Developer Tools, AI, Infrastructure, Other
Tags: #integration

- 47 focused MCP tool entry points, any client, free & MIT.
- Manage assets, control scenes, edit C# scripts, run tests, profile, and build.
- Works with Claude, Codex, VS Code, Windsurf, Cline, Gemini CLI, and more.
- Supports multiple Unity instances with multi-instance routing.
- Tool groups for VFX, animation, UI, testing, and others.
- Roslyn script validation for safe code changes.

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below
Plugin Name Unity

Command (node, npx, python, etc.) npx
Arguments
- Argument 1 -y
- Argument 2 @highlight/mcp-server
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "/c",
                "npx",
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "/c",
                "npx",
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "/c",
                "npx",
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "/c",
                "npx",
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "/c",
                "npx",
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "cmd"
        }
    }
}

JSON

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

From the repository

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.

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.

---

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "unity": {
            "env": {},
            "args": [
                "-y",
                "@highlight/mcp-server"
            ],
            "command": "npx"
        }
    }
}

Linux

{
    "env": [],
    "args": [
        "-y",
        "@highlight/mcp-server"
    ],
    "command": "npx"
}

Macos

{
    "env": [],
    "args": [
        "-y",
        "@highlight/mcp-server"
    ],
    "command": "npx"
}

Windows

{
    "env": [],
    "args": [
        "/c",
        "npx",
        "-y",
        "@highlight/mcp-server"
    ],
    "command": "cmd"
}

<picture> <source media="(prefers-color-scheme: dark)" srcset="docs/images/logo-header-dark.png"> <img alt="MCP for Unity" src="docs/images/logo-header-light.png" width="400"> </picture> <div align="center"> [English](README.md) <img src="docs/images/connector.svg" alt="↔" height="14"> [简体中文](docs/i18n/README-zh.md)    |    [Discord](https://discord.gg/y4p8KfzrN4) <img src="docs/images/connector.svg" alt="↔" height="14"> [Wiki](https://coplaydev.github.io/unity-mcp/) #### Proudly sponsored and maintained by [Aura](https://www.tryaura.dev/) — the AI assistant for Unreal & Unity. ##### And don't miss [Godot AI](https://github.com/hi-godot/godot-ai), the new open source project from the makers of MCP for Unity. </div> 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 <a href="https://modelcontextprotocol.io/introduction">Model Context Protocol</a>. Give your LLM the tools to manage assets, control scenes, edit scripts, run tests, and automate your game dev workflows. <img alt="MCP for Unity building a scene" src="docs/images/building_scene.gif"> ---  <details> <summary>Recent Updates</summary> * **[v10.0.0](https://github.com/CoplayDev/unity-mcp/releases/tag/v10.0.0)** (2026-06-30) * **[v9.7.3](https://github.com/CoplayDev/unity-mcp/releases/tag/v9.7.3)** (2026-06-15) * **[v9.7.1](https://github.com/CoplayDev/unity-mcp/releases/tag/v9.7.1)** (2026-05-24) * **[v9.7.0](https://github.com/CoplayDev/unity-mcp/releases/tag/v9.7.0)** (2026-05-22) * **[v9.6.8](https://github.com/CoplayDev/unity-mcp/releases/tag/v9.6.8)** (2026-04-27) Full history: [Release Notes](https://coplaydev.github.io/unity-mcp/releases). </details>  --- ## 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 →](https://coplaydev.github.io/unity-mcp/reference/tools/)** --- ## 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. --- ## Community - [Discord](https://discord.gg/y4p8KfzrN4) — chat with maintainers and other contributors - [Issues](https://github.com/CoplayDev/unity-mcp/issues) — bugs and feature requests - [Discussions](https://github.com/CoplayDev/unity-mcp/discussions) — design ideas and broader questions - Security: see [SECURITY.md](SECURITY.md) for private reporting ## Contributing See [CONTRIBUTING.md](CONTRIBUTING.md). Branch off `beta`, not `main`. The full dev setup, testing, and release process live in the [Contributing](https://coplaydev.github.io/unity-mcp/contributing/dev-setup) docs. ## Advanced - **Multiple Unity instances** — [Multi-Instance Routing](https://coplaydev.github.io/unity-mcp/guides/multi-instance) - **Tool groups (vfx / animation / ui / testing / etc.)** — [Tool Groups](https://coplaydev.github.io/unity-mcp/guides/tool-groups) - **v10 asset generation and upgrade notes** — [v10 Migration](https://coplaydev.github.io/unity-mcp/migrations/v10) - **Roslyn script validation** — [Roslyn Validation](https://coplaydev.github.io/unity-mcp/guides/roslyn) - **Remote-hosted server with auth** — [Remote Server Auth](https://coplaydev.github.io/unity-mcp/guides/remote-server-auth) ## Star History [![Star History Chart](https://api.star-history.com/svg?repos=CoplayDev/unity-mcp&type=Date)](https://www.star-history.com/#CoplayDev/unity-mcp&Date) ## Citation If MCP for Unity helped your research, please cite it. ```bibtex @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](LICENSE).

No reviews yet — be the first

Use Google, GitHub, or an email account so ratings stay tied to real people.

Email sign in

No reviews posted yet.

About

Details

Jump to

Setting up with Highlight

From the repository

Claude Desktop / Cursor

Linux

Macos

Windows

Install

More like this

Time

Sentry

Github

Git

GitLab

Context 7