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mcp/harbor
Gemini CLI

Unreal Engine API Documentation for Gemini CLI

io.github.codeturion/unreal-api-mcp

Accurate UE5 C++ API docs for AI agents. Prevents hallucinated signatures and includes.

client:Gemini CLI transport:stdio runtime:pypi

Install Unreal Engine API Documentation in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "unreal-api-mcp": {
      "command": "uvx",
      "args": [
        "unreal-api-mcp"
      ],
      "env": {
        "UNREAL_VERSION": "<UNREAL_VERSION>",
        "UNREAL_PROJECT_PATH": "<UNREAL_PROJECT_PATH>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Unreal Engine API Documentation in other clients

Unreal Engine API Documentation MCP server