Geocoding / Census Geographies data for AI agents
US Census Geocoder (keyless): turn a US address into coordinates and Census geographies, or reverse a coordinate back to them. Where the upstream source provides it, the response includes a timestamp or freshness note.
Get a free key → See all 3 tools
How to connect
These Geocoding / Census Geographies tools use the same LiveDataLink endpoint as the rest of the catalog. Add it to an MCP client that supports Streamable HTTP and include your bearer key. Each source has its own coverage, update schedule, and credential requirements; those limits are listed in the catalog and response notes.
{
"mcpServers": {
"livedatalink": {
"url": "https://livedatalink.ai/mcp",
"headers": { "Authorization": "Bearer YOUR_API_KEY" }
}
}
}Once connected, call any tool below. The free tier covers 1,000 queries each month across the 377-tool catalog, with no credit card.
Geocoding / Census Geographies tools (3)
| geocode_address | Forward-geocode a one-line or structured US address to coordinates + Census geographies (state, county, tract, block, congressional district) with GEOIDs. |
| geocode_coordinates | Reverse-geocode a longitude/latitude to the Census geographies containing the point. |
| geocode_batch | Geocode up to 10 one-line addresses in a single call. |
Common queries this domain answers: geocode · geocoding · geocoder · address to coordinates · lat long · latitude · longitude · reverse geocode · census tract · census block · fips · geoid · congressional district · county lookup · coordinates · geospatial · spatial · census geography.
Why LiveDataLink for Geocoding / Census Geographies
- One key, 81 domains. These tools sit alongside FMCSA carrier safety, sanctions screening, SEC filings, courts, Census, and FRED through the same endpoint. Source coverage and credentials vary by tool.
- Check source terms. Sourced from US Census Geocoder; review its attribution and redistribution rules before shipping results.
- For agent workflows. Read-only annotated MCP tools over Streamable HTTP with Bearer auth. Use them with clients that support this transport, including compatible Claude, Cursor, and n8n setups.
FAQ
- What can I look up in Geocoding / Census Geographies?
- US Census Geocoder (keyless): turn a US address into coordinates and Census geographies, or reverse a coordinate back to them. The catalog has 3 tools, including geocode_address, geocode_coordinates, geocode_batch. They are available over the Model Context Protocol at https://livedatalink.ai/mcp. Coverage and update timing come from US Census Geocoder.
- How do I connect these tools?
- Add https://livedatalink.ai/mcp as a Streamable HTTP MCP server in Claude, Cursor, n8n, or another compatible client, then send an "Authorization: Bearer YOUR_API_KEY" header. A free key includes 1,000 queries/month with no card at https://livedatalink.ai/signup/free. The same key works across domains, although some upstream sources have their own credentials or limits.
- Can I reuse the results in my product?
- That depends on US Census Geocoder's terms. Check its attribution and redistribution rules before shipping results to customers. LiveDataLink's free tier includes 1,000 queries/month, and paid plans start at $10/month.