The Census MCP Server MCP server,
connected in one click.

census_list_datasets — Browse available Census Bureau datasets with their supported vintage years. Use as the starting point when the right dataset is unknown — AC

census_list_geographies — List the geography levels available for a given Census dataset and year, along with the parent geographies each level requires. Use before q

census_search_variables — Search Census variables by keyword across variable labels and concept groups. Returns variable codes with human-readable labels — use this t

census_get_variable — Fetch full metadata for one or more Census variable codes — label, concept group, predicate type, universe, and margin-of-error sibling refe

census_list_predicate_values — List the codes a Census filter dimension accepts, so a predicates map can be written without guessing. Answers the question left open when c

census_resolve_geography — Resolve a place name or street address to Census FIPS identifiers. Converts names like "King County, WA", "Seattle, WA", or "Seattle-Tacoma-

census_query_data — Query a Census dataset for one or more variables at a specific geography. Accepts FIPS codes for the target geography — use census_resolve_g

census_compare_geographies — Compare one or more variables across multiple geographies at the same level — all counties in a state, all states nationally, or a named set