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mcp/harbor
Gemini CLI

Overwing for Gemini CLI

ai.overwing/mcp

Guardrails for LLM output: pass / fail / review verdicts with calibrated confidence in under 500 ms.

client:Gemini CLI transport:stdio runtime:npm

Install Overwing in Gemini CLI

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

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{
  "mcpServers": {
    "mcp": {
      "command": "npx",
      "args": [
        "-y",
        "overwing-mcp"
      ],
      "env": {
        "OVERWING_API_KEY": "<OVERWING_API_KEY>",
        "OVERWING_BASE_URL": "<OVERWING_BASE_URL>"
      }
    }
  }
}

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

Overwing in other clients

Overwing MCP server