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mcp/harbor
Gemini CLI

astronomy mcp for Gemini CLI

io.github.mrfentmen/astronomy-mcp

Solar and lunar almanac offline: sunrise, sunset, twilight, sun position and moon phase

client:Gemini CLI transport:stdio runtime:npm

Install astronomy mcp in Gemini CLI

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

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

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

astronomy mcp in other clients

astronomy mcp MCP server