costheta for Gemini CLI

dev.costheta/costheta

Verifiable physical randomness from cosmic-ray detections. Free beacon, paid signed decisions.

client:Gemini CLI transport:streamable-http tools:3

Install costheta in Gemini CLI

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

{
  "mcpServers": {
    "costheta": {
      "httpUrl": "https://costheta.dev/mcp"
    }
  }
}

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