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mcp/harbor
Gemini CLI

grandline mcp for Gemini CLI

io.github.dmsnavin/grandline-mcp

Empirical maritime distances from real AIS tracks: 4 route variants, port lookup, bulk matrix

client:Gemini CLI transport:stdio runtime:pypi

Install grandline mcp in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "grandline-mcp": {
      "command": "uvx",
      "args": [
        "grandline-mcp"
      ],
      "env": {
        "GRANDLINE_API_KEY": "<GRANDLINE_API_KEY>",
        "GRANDLINE_API_URL": "<GRANDLINE_API_URL>"
      }
    }
  }
}

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

grandline mcp in other clients

grandline mcp MCP server