Census (ACS by ZIP) MCP Server

io.github.mcpwright/census-mcp

Repository Registry

What is the Census (ACS by ZIP) MCP server?

U.S. Census (ACS) data by ZIP: income, demographics, housing, education, from a local store.

How to install Census (ACS by ZIP)

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

CENSUS_API_KEY
required
Free Census API key (get one at https://api.census.gov/data/key_signup.html). Required for the one-time bulk download of the ACS dataset.

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "census-mcp": {
      "command": "uvx",
      "args": [
        "mcpwright-census"
      ],
      "env": {
        "CENSUS_API_KEY": "<YOUR_CENSUS_API_KEY>"
      }
    }
  }
}

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