{"type":"firestarter.listing","listing":{"id":"lst_49VXcM8r","product_name":"Tinsy Tiny Natural White Diamond Heart Ring","category":"Rings","description":".39ct natural white diamond E-VS218k Yellow GoldSize 6 (but can be sized)","images":["https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_0265.jpg?v=1615156585","https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_0262.jpg?v=1591643714","https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_0261.jpg?v=1615156597","https://cdn.shopify.com/s/files/1/0077/6041/2731/products/IMG_0263.jpg?v=1591644146"],"price":3995,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:21.130Z"},"share_url":"https://firestarter.network/l/lst_49VXcM8r","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_49VXcM8r' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Tinsy Tiny Natural White Diamond Heart Ring' and a budget_max comfortably above $3995.00 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."]}}