Unity MCP Server: Install & Setup

Install Unity in Claude Code

Claude Code

claude mcp add rachitkumarrastogi-unity -e UNITY_PROJECT_PATH=... -- npx -y unity-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "rachitkumarrastogi-unity": {
      "command": "npx",
      "args": [
        "-y",
        "unity-mcp-server"
      ],
      "env": {
        "UNITY_PROJECT_PATH": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Unity MCP server do?

MCP server for Unity: 130+ tools, Unity 6 skills, AI/ML discovery. No Editor.

Is the Unity MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Unity run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Unity to Claude Code?

Run: claude mcp add rachitkumarrastogi-unity -e UNITY_PROJECT_PATH=... -- npx -y unity-mcp-server

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