{"type":"firestarter.listing","listing":{"id":"lst_pK0m9p0z","product_name":"Keys Tee","category":"T-Shirt","description":"6 oz heavyweight soft ringspun cotton. Modern classic fit tubular body. Screen printed graphic.\n ","images":["https://cdn.shopify.com/s/files/1/2120/8287/files/SCIFIFANTASYKEYSTEEWHITE01.jpg?v=1724286397","https://cdn.shopify.com/s/files/1/2120/8287/files/SCIFIFANTASYKEYSTEEWHITE02.jpg?v=1724286397"],"price":19.5,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:35.071Z"},"share_url":"https://firestarter.network/l/lst_pK0m9p0z","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_pK0m9p0z' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Keys Tee' and a budget_max comfortably above $19.50 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."]}}