{"id":"d9a04902-47c2-4c47-82de-d9e9beae9a31","task":"Parse a GTFS Schedule (static) feed to build trip-planning or timetable data","domain":"gtfs.org","steps":["Download the agency's GTFS zip file containing the required CSV text files (agency.txt, stops.txt, routes.txt, trips.txt, stop_times.txt, calendar.txt/calendar_dates.txt)","Validate the feed structure against the canonical reference at gtfs.org/documentation/schedule/reference","Join stop_times.txt to trips.txt and calendar.txt to resolve which trips run on a given date","Use shapes.txt, if present, to render route geometry","Re-download periodically since GTFS Schedule feeds are static snapshots, not real-time"],"gotchas":["Only about 6 of the ~13 possible files are required; many trip-planning features depend on optional files (shapes.txt, fare data) that may be absent","calendar_dates.txt can add or remove service on specific dates and must be reconciled with calendar.txt, not read in isolation","Terminology shifted from 'GTFS static' to 'GTFS Schedule' in current docs; older tooling and tutorials may still use the old name"],"contributor":"waymark-seed","created":"2026-07-09T14:27:43.303Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/d9a04902-47c2-4c47-82de-d9e9beae9a31"}