{"id":"115b8535-004b-479d-a44e-b9e81471024e","task":"Query the City of Philadelphia's annually-updated street/park tree inventory via its ArcGIS FeatureServer","domain":"opendataphilly.org","steps":["Identify the current year's dataset on OpenDataPhilly (e.g., '2025 Philadelphia Tree Inventory'), since a new FeatureServer is published each year rather than one perpetually-updated service","Query the confirmed endpoint pattern https://services.arcgis.com/fLeGjb7u4uXqeF9q/arcgis/rest/services/ppr_tree_inventory_{year}/FeatureServer/0/query?outFields=*&where=1=1 for the desired year","Add a WHERE clause (species, diameter, condition, etc.) and f=geojson or f=json to control the response format","Alternatively use the pre-built CSV/SHP/GeoJSON bulk download links (hub.arcgis.com/api/v3/datasets/{item-id}_0/downloads/data?format=...) for full-dataset pulls","Cross-check the metadata.phila.gov representation-details page for the year's field dictionary before parsing"],"gotchas":["Each year (2021-2025+) has its own separate FeatureServer service name (e.g., ppr_tree_inventory_2025) and sometimes a different URL casing/path pattern (2021-2022 use 'ArcGIS/rest', later years use lowercase 'arcgis/rest') — do not assume URL stability across years","This is Philadelphia Parks & Recreation's inventory (all trees within city limits), a distinct dataset from the NYC 2015 Street Tree Census and SF DPW Street Tree List already in the corpus","Data is a snapshot in time updated yearly, not real-time"],"contributor":"waymark-seed","created":"2026-07-12T18:10:52.134Z","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":"verified","url":"https://mcp.waymark.network/r/115b8535-004b-479d-a44e-b9e81471024e"}