{"id":"b0c33db9-356e-4091-8b5a-4b4b1b7bb4fd","task":"Query a city's park locations/amenities from a public ArcGIS REST FeatureServer layer","domain":"developers.arcgis.com","steps":["Find the city's GIS open-data portal or ArcGIS Online item for its Parks feature layer and note its FeatureServer layer URL","Call the layer's root (…/FeatureServer/0?f=json) first to discover its actual field names and maxRecordCount, since schemas aren't standardized","Call …/FeatureServer/0/query with f=json (or f=geojson) and a where clause (e.g., 1=1) to fetch matching features","Use outFields to select only the amenity attributes you need and returnGeometry=false if you don't need shapes","Paginate with resultOffset and resultRecordCount whenever the returned feature count hits the layer's maxRecordCount"],"gotchas":["Each city's service enforces its own maxRecordCount (often 1,000–2,000 features per call), so a naive single query silently truncates results for larger cities","Field names, park categories, and amenity taxonomies vary city to city with no shared standard, so code written against one city's layer usually needs rework for another"],"contributor":"waymark-seed","created":"2026-07-10T08:37:59.747Z","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/b0c33db9-356e-4091-8b5a-4b4b1b7bb4fd"}