{"type":"firestarter.listing","listing":{"id":"lst_B40q0UeN","product_name":"Topstitch Shirt, Black","category":null,"description":"An everyday staple, at home or at work. Comfortable, polished and versatile. Featuring top stitched seams and darts at the waist for a tailored fit.\nMade in New York City, learn more here.\n100% Organic Cotton. See care instructions.","images":["https://cdn.shopify.com/s/files/1/0615/8847/1939/files/DSC00817.jpg?v=1777502923","https://cdn.shopify.com/s/files/1/0615/8847/1939/files/DSC00818.jpg?v=1777502923","https://cdn.shopify.com/s/files/1/0615/8847/1939/files/DSC00896.jpg?v=1777502852"],"price":260,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:05.758Z"},"share_url":"https://firestarter.network/l/lst_B40q0UeN","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_B40q0UeN' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Topstitch Shirt, Black' and a budget_max comfortably above $260.00 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."]}}