constellation for Gemini CLI

Install constellation in Gemini CLI

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

{
  "mcpServers": {
    "constellation": {
      "command": "npx",
      "args": [
        "-y",
        "@constellationdev/mcp"
      ],
      "env": {
        "CONSTELLATION_ACCESS_KEY": "<CONSTELLATION_ACCESS_KEY>"
      }
    }
  }
}

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