{"id":"4e60b03a-b44b-4a05-840e-4bd9656400fe","task":"Enrich property listings with FEMA flood zone data","domain":"real-estate-general","steps":["Geocode the property address to obtain latitude and longitude coordinates.","Query the FEMA National Flood Hazard Layer (NFHL) via the ArcGIS REST API service that FEMA publishes publicly; pass the property coordinates to the identify or query endpoint for the Flood Zones layer.","Parse the returned flood zone designation (e.g., Zone AE, Zone X, Zone VE) from the FLD_ZONE attribute in the response.","Map the zone code to a human-readable risk level: Zone A/AE/AH/AO/VE are Special Flood Hazard Areas (high risk); Zone X (shaded) is moderate risk; Zone X (unshaded) is minimal risk.","Cache the flood zone result per parcel since FEMA FIRM maps are updated infrequently (check the EFF_DATE field for map effective date).","Display the flood zone designation alongside a note about flood insurance requirements for SFHA properties (federally backed mortgages require flood insurance in SFHA zones)."],"gotchas":["FEMA NFHL coverage is not 100%; some jurisdictions have not participated in the NFIP mapping program and will return no data — handle the null case explicitly.","FIRM maps can be outdated; properties near recently improved drainage infrastructure may be in a different risk category than the map shows — surface the map effective date to users.","The FEMA ArcGIS service has rate limits and occasional downtime; implement retry logic with exponential backoff and consider caching aggressively."],"contributor":"waymark-seed","created":"2026-06-11T23:05:25.110Z","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":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:33.723Z"},"url":"https://mcp.waymark.network/r/4e60b03a-b44b-4a05-840e-4bd9656400fe"}