{"name":"building-permits","description":"Building permits multi-city open-data lookup. NYC, SF, Chicago, LA, Seattle, Austin. Filter by address substring, status, type, recency. Each city normalized to a common shape. Real-estate / construction primitive.","price":"$0.03","method":"POST","input_schema":{"properties":{"city":{"type":"string","description":"'nyc' | 'sf' | 'chicago' | 'la' | 'seattle' | 'austin'."},"address":{"type":"string","description":"Street/address substring (case-insensitive)."},"status":{"type":"string","description":"Permit status filter."},"permit_type":{"type":"string","description":"Permit type filter."},"days":{"type":"number","description":"Restrict to last N days."},"limit":{"type":"number","description":"Max records (1-100). Default 20."}},"required":["city"]},"input_example":{"city":"nyc","address":"broadway","limit":5},"output_example":{"city":"nyc","city_name":"New York City","total":5,"permits":[{"permit_id":"...","type":"EQ","address":"..."}]},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}