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Grok

US Government Data for Grok

io.github.malonestar/gov-data-mcp

US government open-data APIs as MCP tools: EPA, FEMA, USGS, NOAA, FDIC, HUD, CMS and more.

client:Grok transport:stdio runtime:npm

Install US Government Data 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": {
    "gov-data-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "gov-data-mcp"
      ],
      "env": {
        "APIFY_TOKEN": "<APIFY_TOKEN>"
      }
    }
  }
}

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

US Government Data in other clients

US Government Data MCP server