{"type":"firestarter.listing","listing":{"id":"lst_Calzu90t","product_name":"Handbook Travelogue Sketchbooks","category":null,"description":"128 pages / acid-free / accepts light watercolor washes without buckling","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/products/HandbookTravelogueSketchbooks.jpg?v=1654293772","https://cdn.shopify.com/s/files/1/0631/2017/9426/products/HandbookTravelogueSketchbooks2_7163a638-d8d7-4610-b673-5fa4332df675.jpg?v=1654293777"],"price":21,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:22.776Z"},"share_url":"https://firestarter.network/l/lst_Calzu90t","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_Calzu90t' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Handbook Travelogue Sketchbooks' and a budget_max comfortably above $21.00 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."]}}