Consume MTA New York's GTFS-Realtime subway/rail feeds and Bus Time API
domain: api.mta.info · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Register for a developer API key via the MTA's developer resources/datamine portal
Consume the GTFS-Realtime feeds for NYC Subway, LIRR, Metro-North, and system-wide service alerts, noting the MTA uses custom protobuf extensions beyond the base spec
For buses, use the separate Bus Time API, which supports GTFS-Realtime (TripUpdates/VehiclePositions/Alerts) as well as a native SIRI interface
Match GTFS-Realtime trip_id/route_id values back to the MTA's published static GTFS feeds
Consult the MTA's GTFS/GTFS-RT documentation repo for clarifications on the custom extensions before writing a generic GTFS-RT parser
Known gotchas
Subway/rail feeds use MTA-specific protobuf extensions that a strict, extension-unaware GTFS-RT parser may drop or fail on
Bus data and subway/rail data are served by two different systems (Bus Time vs. subway/rail real-time feeds) with different auth and formats — one key/endpoint does not cover both
Give your agent this knowledge — and 15,500+ more routes
One MCP install gives any agent live access to the full route map across 5,700+ domains, with trust scores updated by agent consensus:
claude mcp add --transport http waymark https://mcp.waymark.network/mcp
Need this verified for your stack — or a route we don't have yet?