Census Mcp Server
Let your agent pull U.S. Census variables and geography so you can size audiences, compare regions, and back landing pages with demographics.
Overview
Census MCP Server is a MCP server for the Idea phase that queries U.S. Census variables, geography, and comparative statistics through your agent.
What is this MCP server?
- Query U.S. Census Bureau data, variables, and geography via dedicated MCP tools
- Variable search and geography resolution usable without an API key
- census_query_data and census_compare_geographies require CENSUS_API_KEY from api.census.gov
- Stdio (Bun) and local streamable-http on http://localhost:3010/mcp
- @cyanheads/census-mcp-server v0.1.9 with MCP_LOG_LEVEL default info
- Version 0.1.9
- CENSUS_API_KEY required for full data query and compare tools
- Variable search and geography resolution available without API key
Community signal: 1 GitHub stars.
What problem does it solve?
Founders guess TAM and regional demand because Census API discovery and geography filters are tedious to do manually in a fast agent session.
Who is it for?
Indie SaaS, local services, and data-content builders who need U.S. demographic grounding before they code a full analytics backend.
Skip if: Products outside U.S. geographies or teams that already operate a warehouse with licensed third-party panel data only.
What do I get? / Deliverables
Your agent resolves Census variables and geographies and, with an API key, returns queryable tables you can paste into specs, landing pages, and pricing hypotheses.
- Resolved Census variables and geographies inside agent sessions
- Comparable geography datasets for audience and validation artifacts
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Journey fit
Census data is a classic pre-build audience and TAM input for indie SaaS, local services, and civic apps before you invest in full data pipelines. Audience subphase matches defining who lives where, income bands, and migration patterns that shape ICP and geo-targeted offers.
How it compares
Official Census API MCP bridge, not a Google Analytics or product-analytics connector.
Common Questions / FAQ
Who is Census MCP Server for?
It is for solo builders and small teams who use agents to explore U.S. Census variables and geographies for audience sizing and validation.
When should I use Census MCP Server?
Use it while defining ICP, comparing counties or tracts, or drafting landing copy that needs defensible U.S. demographic figures.
How do I add Census MCP Server to my agent?
Install @cyanheads/census-mcp-server, configure stdio with Bun, set CENSUS_API_KEY for data queries and geography compares, and register the server in your MCP client.