{"type":"firestarter.listing","listing":{"id":"lst_HIUNaGtw","product_name":"Mystery T-Shirt","category":"Tops","description":"Dive into the unknown and score a Mystery T-Shirt for just $10. We're cleaning out our stash, and each shirt is a surprise – could be a closeout gem or a quirky limited edition. Perfect for those who like a bit of mystery in their wardrobe. \n \n*Item not eligible for returns, refunds, or exchanges.*","images":["https://cdn.shopify.com/s/files/1/0253/6210/4402/files/MysteryShirt.jpg?v=1762451468"],"price":10,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:55:57.688Z"},"share_url":"https://firestarter.network/l/lst_HIUNaGtw","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_HIUNaGtw' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Mystery T-Shirt' and a budget_max comfortably above $10.00 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."]}}