Unity MCP Server

by isuzu-shiranuidev.shiranui-isuzu/unity-mcpv4.4.2

Unity Editor automation for AI agents: scenes, prefabs, assets, shaders, Timeline, tests, builds.

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Active1d ago

Install Unity MCP server

claude mcp add unity-isuzu-shiranui -- dnx IsuzuUnityCli --yes

{
  "mcpServers": {
    "unity-isuzu-shiranui": {
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "unity-isuzu-shiranui": {
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "unity-isuzu-shiranui": {
      "type": "stdio",
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "unity-isuzu-shiranui": {
      "command": "dnx",
      "args": [
        "IsuzuUnityCli",
        "--yes"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
UNITY_MCP_STATE_DIR	—	—	Where the Editor writes its descriptors. Set this only when the default location cannot be reached, such as from WSL.
UNITY_MCP_HOST	—	—	Replaces 127.0.0.1 in the descriptor endpoint, for reaching an Editor on the Windows host from WSL.