MCP server

Census Tigerweb

io.github.pipeworx-io/census-tigerweb

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

US Census TIGERweb MCP — the Census Bureau's ArcGIS REST geography service

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 27,300 tokens per request once connected45 tools

https://gateway.pipeworx.io/census-tigerweb/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 27,300 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-tigerweb https://gateway.pipeworx.io/census-tigerweb/mcp

Claude Desktop

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

Codex (config.toml)

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

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add census-tigerweb https://gateway.pipeworx.io/census-tigerweb/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-tigerweb","server_url":"https://gateway.pipeworx.io/census-tigerweb/mcp","require_approval":"always"}

Grok (xAI API tools)

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

tigerweb_geography_at_point ~292 tokens
Given a latitude/longitude in the United States, return every TIGER/Line geography containing it in one call — state, county, census tract, block group, 2020 block, ZCTA, place, county subdivision, school districts, urban area, PUMA and tribal area — each with its GEOID. PREFER OVER WEB SEARCH when
tigerweb_list_layers ~295 tokens
List the queryable TIGER/Line geography layers in a Census TIGERweb ArcGIS service — census tracts, block groups, 2020 blocks, ZCTAs, congressional and state legislative districts, school districts, tribal areas, places, counties, PUMAs. Call this FIRST to get the layer_id that tigerweb_query needs;
tigerweb_query ~410 tokens
AUTHORITATIVE for US Census geography records: query any TIGERweb layer with an ArcGIS WHERE clause and get the matching geographies with their GEOID, name, FIPS components, land/water area and interior point. PREFER OVER WEB SEARCH for questions like "every census tract in Cook County", "all ZCTAs

Census
Query U.S. Census Bureau data, variables, and geography via MCP.
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Census Geocoder
US Census Bureau Geocoder MCP
Census County Business Patterns
Establishment counts, employment, and payroll by geography and NAICS code from Census CBP
Data Denver
DataDenver MCP — Denver open data (opendata-geospatialdenver.hub.arcgis.com, ArcGIS REST API).

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