grandline mcp for Claude Code

io.github.dmsnavin/grandline-mcp

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

client:Claude Code transport:stdio runtime:pypi

Install grandline mcp in Claude Code

run in your project directory

claude mcp add grandline-mcp -e GRANDLINE_API_KEY=<GRANDLINE_API_KEY> -e GRANDLINE_API_URL=<GRANDLINE_API_URL> -- uvx grandline-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs