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mcp/harbor
VS Code

grandline mcp for VS Code

io.github.dmsnavin/grandline-mcp

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

client:VS Code transport:stdio runtime:pypi

Install grandline mcp in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "grandline-api-key",
      "description": "GRANDLINE_API_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "grandline-api-url",
      "description": "GRANDLINE_API_URL",
      "password": true
    }
  ],
  "servers": {
    "grandline-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "grandline-mcp"
      ],
      "env": {
        "GRANDLINE_API_KEY": "${input:grandline-api-key}",
        "GRANDLINE_API_URL": "${input:grandline-api-url}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

grandline mcp in other clients

grandline mcp MCP server