Election Atlas

io.github.TaltonFiggins/election-atlas · v0.1.0 · location-and-travel

Election Atlas is healthy: it completed an MCP handshake in 1002 ms and exposes 10 tools.

US & Canada election maps: precincts, ZIP codes, 2026 districts, ridings. GeoJSON + point lookup.

Endpoint: https://atlas-production-d344.up.railway.app/mcp (streamable-http)

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Facts

Users (last 30 days)0
HandshakeHealthy
Auth neededNone
Tool count10
Latency1002 ms
Last checked (UTC)2026-11-06T21:30:44.388Z

Health history

Checked (UTC)StatusLatencyError
2026-11-06T21:30:44.388ZHealthy1002

Tools (10)

search_geographiesFind geographies by name, e.g. 'Essex County', 'Newark ward 5', 'Toronto Centre'. country: 'US' or 'CA'. level: one of the levels from coverage_summary (e.g. 'county', 'precinct', 'congressional_district', 'federal_electoral_district'). region: USPS state or province code ('NJ', 'ON').
get_geographyFull record for one geography: attributes, parent chain up to the country, child counts by level, and the source it came from (licence, vintage, last fetched).
related_geographiesLinks between geographies that overlap without nesting, with population shares. Districts: for a precinct, county, town, city (place) or ZIP, the congressional, state senate and state house districts it falls in; for a district, the precincts, counties, towns, cities or ZIPs inside it (filt
list_childrenGeographies directly under `id` (state -> counties and districts, county -> precincts and towns, province -> ridings). Filter with `level`; page with limit/offset (max 1000).
list_geographiesEvery geography at one level, optionally within one state/province, e.g. all congressional districts in 'NJ' or all federal ridings in 'ON'. Page with limit/offset (max 1000).
nearest_geographiesGeographies at `level` whose internal point is closest to (lat, lon). This is a nearest-point approximation, not point-in-polygon. To find the geography containing a point, use locate_point.
data_freshnessWhen each upstream dataset was last fetched and checked, what period it describes (vintage), how often it is re-checked, and whether it is overdue. Includes the recent refresh history.
coverage_summaryWhat's in the atlas: row counts by country and level, with the vintage of each layer.
get_boundariesPolygon boundaries as a GeoJSON FeatureCollection (EPSG:4326, RFC 7946 winding), for drawing dashboard maps. id: the geography to draw, e.g. 'us:county:34013'. children_level: draw everything at that level inside it instead, e.g. every 'precinct' in a county or state, every 'county' in a st
locate_pointWhich geographies contain a point: precinct, county, town, congressional and state legislative districts in the US; province, census division and subdivision, federal riding, polling divisions and provincial districts in Canada. Point-in-polygon on stored boundaries (simplified to ~10 m, so