{"type":"firestarter.listing","listing":{"id":"lst_jUa3_mXK","product_name":"Ceramic Donut Cup","category":"Ceramics","description":"Handmade porcelain espresso cup with a donut handle. Microwave and dishwasher safe. Holds approximately 4 oz.","images":["https://cdn.shopify.com/s/files/1/0164/0955/9104/files/6-IMG_7730.jpg?v=1713745259","https://cdn.shopify.com/s/files/1/0164/0955/9104/files/5-IMG_7732.jpg?v=1713745259"],"price":50,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:19.655Z"},"share_url":"https://firestarter.network/l/lst_jUa3_mXK","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_jUa3_mXK' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Ceramic Donut Cup' and a budget_max comfortably above $50.00 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."]}}