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Gemini CLI

usno mcp for Gemini CLI

io.github.mrfentmen/usno-mcp

Sun rise and set, moon phases, twilight times and the seasons from the US Naval Observatory.

client:Gemini CLI transport:stdio runtime:npm

Install usno mcp in Gemini CLI

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

{
  "mcpServers": {
    "usno-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/usno-mcp"
      ]
    }
  }
}

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

usno mcp in other clients