{"type":"firestarter.listing","listing":{"id":"lst_HcDClOfZ","product_name":"MTA Yankee Stadium Metal Subway Sign","category":"Home","description":"• 100% 18-gauge aluminum• Measures 30\" L x 1\" W x 6\" H• Printed graphics• Flanged on all 4 sides with 2 holes top and bottom flange for hanging• Coated with a durable protective polyester clear coat• Handmade in the USAOfficially Licensed by the Metropolitan Transportation Authority.","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny681262f8ccad99681262f8ccbe2.22947502681262f8ccbe2.jpg?v=1746115242","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny681262f8eae1e3681262f8eb0b4.36129413681262f8eb0b4.jpg?v=1746115242","https://cdn.shopify.com/s/files/1/0920/5284/files/subway-signs.jpg?v=1755277918","https://cdn.shopify.com/s/files/1/0920/5284/files/Onlyny681262f90da665681262f90dbe9.27876058681262f90dbe9_180a08fe-236c-4f66-a8a8-8dd0c1850b14.jpg?v=1755277918"],"price":65,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:58.936Z"},"share_url":"https://firestarter.network/l/lst_HcDClOfZ","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_HcDClOfZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MTA Yankee Stadium Metal Subway Sign' and a budget_max comfortably above $65.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}