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mcp/harbor
Grok

supercarto for Grok

io.github.unselfisheologism/supercarto

Token-budgeted map context for any coordinate: OSM graph, terrain, weather, daylight, GTFS transit

client:Grok transport:stdio runtime:npm

Install supercarto in Grok

.mcp.json (in your project root)

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

{
  "mcpServers": {
    "supercarto": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "supercarto"
      ],
      "env": {
        "SUPERCARTO_OWM_KEY": "<SUPERCARTO_OWM_KEY>",
        "SUPERCARTO_GTFS_URL": "<SUPERCARTO_GTFS_URL>",
        "SUPERCARTO_GTFS_RT": "<SUPERCARTO_GTFS_RT>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

supercarto in other clients

supercarto MCP server