{"type":"firestarter.listing","listing":{"id":"lst_RAqGqi1u","product_name":"Sidewalk Shark - Youth","category":"Kids T-shirts","description":"One minute, you're just some human punk on a board, the next you're transformed into grinning living torpedo taking a hill at top speed. Just like on TV!\n\n4.3 oz., 100% combed ring-spun cotton, fine jersey\nTaped neck and shoulders with double-needle sleeves and bottom hem, durable rib neckband\nNot intended for sleepwear\nMade in USA\n\n Ages 10+ we recommend adult XS","images":["https://cdn.shopify.com/s/files/1/0021/3932/files/23284Canva4081x5712_2.png?v=1746578022","https://cdn.shopify.com/s/files/1/0021/3932/products/K5A0376-Edit.jpg?v=1746578022","https://cdn.shopify.com/s/files/1/0021/3932/products/K5A0301-Edit.jpg?v=1746578022"],"price":40,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:00.899Z"},"share_url":"https://firestarter.network/l/lst_RAqGqi1u","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_RAqGqi1u' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sidewalk Shark - Youth' and a budget_max comfortably above $40.00 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."]}}