{"type":"firestarter.listing","listing":{"id":"lst_1cENxih7","product_name":"MTA Penn Station Basketball Metal Subway Sign","category":"Home","description":"\n100% 18-gauge aluminum\nPrinted graphics\nFlanged on all 4 sides with 2 holes top and bottom flange for hanging\nCoated with a durable protective polyester clear coat\nMeasures 30\" L x 1\" W x 6\" H\nHandmade in the USA\n","images":["https://cdn.shopify.com/s/files/1/0920/5284/files/MSMTA1787MTA-front.jpg?v=1781729304","https://cdn.shopify.com/s/files/1/0920/5284/files/MSMTA1787MTA-lifestyle.jpg?v=1781729304","https://cdn.shopify.com/s/files/1/0920/5284/files/MSMTA1787MTA-side.jpg?v=1781729304"],"price":65,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:23:58.747Z"},"share_url":"https://firestarter.network/l/lst_1cENxih7","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_1cENxih7' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MTA Penn Station Basketball 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."]}}