{"type":"firestarter.listing","listing":{"id":"lst_KUuIjxAz","product_name":"Contour Oval-Cut Sapphire and Diamond Ring","category":null,"description":"18k Yellow Gold, Approx. 2ct Sapphire &amp; 1.32tcw Diamonds. Ring is two pieces - gold jacket can be taken off and worn separately or solitaire ring can be worn separately. \nMade and hand-finished in LA.","images":["https://cdn.shopify.com/s/files/1/0561/8748/6287/files/CONTOUR-2.13CT-OVAL-CUT-SAPPHIRE-AND-DIAMOND-RING.jpg?v=1758928611","https://cdn.shopify.com/s/files/1/0561/8748/6287/files/CONTOUR-2_13CT-OVAL-CUT-SAPPHIRE-AND-DIAMOND-RING2_jpg.jpg?v=1759365373"],"price":24050,"currency":"USD","in_stock":true,"inventory_qty":299970,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.990Z"},"share_url":"https://firestarter.network/l/lst_KUuIjxAz","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_KUuIjxAz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Contour Oval-Cut Sapphire and Diamond Ring' and a budget_max comfortably above $24050.00 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."]}}