{"type":"firestarter.listing","listing":{"id":"lst_y8oQVOgJ","product_name":"MTA Shea 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/Onlyny681262cf8928c9681262cf893a0.10052444681262cf893a0.jpg?v=1746113667","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_f54ee75b-d1cc-4e9a-b0a0-04f5a190f3f1.jpg?v=1755277898"],"price":65,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:58.934Z"},"share_url":"https://firestarter.network/l/lst_y8oQVOgJ","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_y8oQVOgJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MTA Shea 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."]}}