io.github.ChiR24/unreal-engine-mcp

io.github.ChiR24/unreal-engine-mcp

EngineWire: drive the Unreal Editor (UE 5.0-5.8): levels, Blueprints, UI, materials, VFX and more.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "unreal-engine-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "unreal-engine-mcp-server@0.6.1-beta-a"
      ],
      "env": {
        "UE_PROJECT_PATH": "<your UE_PROJECT_PATH>",
        "MCP_AUTOMATION_CAPABILITY_TOKEN": "<your MCP_AUTOMATION_CAPABILITY_TOKEN>",
        "UNREAL_MCP_URL": "http://127.0.0.1:3000/mcp",
        "LOG_LEVEL": "info"
      }
    }
  }
}
Environment variables
  • UE_PROJECT_PATHrequiredYour Unreal project folder or its .uproject file. The server reads the capability token from <project>/Saved/MCP/capability-token.
  • MCP_AUTOMATION_CAPABILITY_TOKENsecretCapability token to present to the editor. Only needed when the server cannot read the project folder.
  • UNREAL_MCP_URLThe editor's native MCP endpoint (Project Settings > EngineWire > Native MCP Port).
  • LOG_LEVELLog level. Logs go to stderr.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.6.1-beta-a
Registry
active
Published
11/6/2026

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