{"type":"firestarter.listing","listing":{"id":"lst_POxuj8oF","product_name":"Sakura Solid Marker","category":null,"description":"A broad-tipped permanent oil-paint marker that can be used on just about any surface! It has the consistency of an oil pastel but will cure and harden to a durable finish!","images":["https://cdn.shopify.com/s/files/1/0631/2017/9426/files/2025-11-1617.01.05.jpg?v=1763586046","https://cdn.shopify.com/s/files/1/0631/2017/9426/files/2025-11-1617.00.22.jpg?v=1763586046"],"price":5.5,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-18T20:47:21.574Z"},"share_url":"https://firestarter.network/l/lst_POxuj8oF","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_POxuj8oF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sakura Solid Marker' and a budget_max comfortably above $5.50 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."]}}