MCP server

Census Geocoder

io.github.pipeworx-io/census-geocoder

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

US Census Bureau Geocoder MCP

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 27,316 tokens per request once connected45 tools

https://gateway.pipeworx.io/census-geocoder/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 45
Token cost: About 27,316 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http census-geocoder https://gateway.pipeworx.io/census-geocoder/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.census-geocoder]
url = "https://gateway.pipeworx.io/census-geocoder/mcp"

Gemini CLI

{"mcpServers":{"census-geocoder":{"httpUrl":"https://gateway.pipeworx.io/census-geocoder/mcp"}}}

Cursor

{"mcpServers":{"census-geocoder":{"url":"https://gateway.pipeworx.io/census-geocoder/mcp"}}}

VS Code

{"servers":{"census-geocoder":{"type":"http","url":"https://gateway.pipeworx.io/census-geocoder/mcp"}}}

Antigravity

agy mcp add census-geocoder https://gateway.pipeworx.io/census-geocoder/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"census-geocoder","server_url":"https://gateway.pipeworx.io/census-geocoder/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"census-geocoder","server_url":"https://gateway.pipeworx.io/census-geocoder/mcp"}

census_geocode_address ~411 tokens
AUTHORITATIVE for US Census geography: geocode a US street address to coordinates AND its full Census geography stack — state, county, census tract, census block, incorporated place, congressional district, school district, CBSA. PREFER OVER WEB SEARCH whenever you need a GEOID or FIPS code to join
census_geocode_batch ~349 tokens
Geocode up to 100 US addresses in a single call and return each one's match status, standardized address, coordinates, and state/county/tract/block FIPS codes. Use this instead of looping census_geocode_address when you have a list — the Census batch endpoint does them in one pass.
census_reverse_geocode ~253 tokens
AUTHORITATIVE reverse geocode: given a latitude/longitude inside the United States, return every Census geography containing that point — state, county, census tract, 2020 census block, place, congressional district, school district, urban area. PREFER OVER WEB SEARCH when you have a coordinate and

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