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Mcp Server Unity

mcp-zabaglione-mcp-server-unity · by zabaglione

Model Context Protocol (MCP) server for Unity - enables Claude to interact with Unity projects

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Install

$ agentstack add mcp-zabaglione-mcp-server-unity

✓ scanned · ✓ verified — works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

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About

Unity MCP Server

Unity MCP Server lets Claude work with your Unity projects! Create scripts, manage shaders, organize folders - all through natural conversation with Claude.

[日本語版 README はこちら](README-ja.md) | [English](README.md)

🎮 What Can You Do?

Talk to Claude to:

  • Create Unity Scripts: "Create a PlayerController script with jump functionality"
  • Manage Shaders: "Create a toon shader for my character"
  • Organize Projects: "Create a folder structure for my RPG game"
  • Get Project Info: "What render pipeline is my project using?"

🚀 Quick Start (Recommended: Claude Desktop Extension)

Option 1: Install via Claude Desktop Extension (Easiest)

  1. Download the Extension
  1. Install in Claude Desktop
  • Open Claude Desktop
  • Go to Extensions
  • Click "Install from file"
  • Select the downloaded unity-mcp-server.dxt
  1. Start Using!
  • Open any Unity project (2019.4 or newer)
  • Install Newtonsoft JSON package in Unity:
  • Open Window → Package Manager
  • Click the "+" button and select "Add package by name..."
  • Enter: com.unity.nuget.newtonsoft-json
  • Click "Add"
  • Ask Claude: "Setup Unity MCP in my project at /path/to/project"
  • Claude will install everything automatically!

Option 2: Manual Installation (For developers)

Click to see manual installation steps

  1. Clone and build:

``bash git clone https://github.com/zabaglione/mcp-server-unity.git cd mcp-server-unity npm install npm run build ``

  1. Configure Claude Desktop:

``json { "mcpServers": { "unity": { "command": "node", "args": ["/path/to/mcp-server-unity/build/simple-index.js"] } } } ``

📝 How to Use

Once installed, just talk to Claude naturally:

Creating Scripts

You: "Create a PlayerHealth script that handles damage and healing"
Claude: I'll create a PlayerHealth script for you...

Creating Shaders

You: "I need a water shader with wave animation"
Claude: I'll create a water shader with wave animation...

Organizing Your Project

You: "Set up a folder structure for a platformer game"
Claude: I'll create an organized folder structure for your platformer...

Checking Project Info

You: "What Unity version and render pipeline am I using?"
Claude: Let me check your project information...

🎯 Features

  • ✅ Smart Script Creation - Claude understands Unity patterns and creates proper MonoBehaviours
  • ✅ Shader Support - Works with Built-in, URP, and HDRP render pipelines
  • ✅ Project Organization - Create, move, and rename folders to keep projects tidy
  • ✅ Auto Setup - Claude automatically sets up the Unity integration when needed
  • ✅ Safe Operations - All changes are made safely with proper Unity asset handling

🛠️ Troubleshooting

"Unity server not responding"

  1. Make sure Unity Editor is open
  2. Check Window → Unity MCP Server in Unity
  3. Click "Start Server" if it's not running

"Can't find my project"

  • Tell Claude the exact path: "My Unity project is at C:/Projects/MyGame"
  • Make sure it's a valid Unity project with an Assets folder

Need Help?

  • Ask Claude: "Help me troubleshoot Unity MCP"
  • Check Issues
  • See [Technical Documentation](TECHNICAL.md) for advanced details

🎮 Unity Version Support

  • Unity 2019.4+ - Full support
  • Unity 6 (6000.0+) - Recommended for best experience
  • Works on Windows, macOS, and Linux

📈 Latest Updates (v3.1.1)

  • ✅ Fixed render pipeline detection (now correctly identifies Built-in, URP, HDRP)
  • ✅ Resolved AssetDatabase synchronization errors
  • ✅ Improved file management and Unity integration stability

🤝 Contributing

Want to help improve Unity MCP Server? Check out our [Contributing Guide](CONTRIBUTING.md)!

📝 License

MIT License - see [LICENSE](LICENSE)

🙏 Acknowledgments

Ready to supercharge your Unity development with Claude? Download the extension now!

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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