{"type":"firestarter.listing","listing":{"id":"lst_7usGUFse","product_name":"Oval Gray Diamond Ring","category":"Rings","description":"This lovely ring features a icy, rose cut, oval, gray diamond set on a 2mm hammered band and accented with trios of tiny, sparkling white diamonds. Perfect as an engagement ring. \nDiamond measures approximately 7.5mm x 8.5mm. Shown in 18k yellow gold, this ring is available in white gold or platinum and with other stone variations, upon request. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-27_031_1200.jpg?v=1757797059","https://cdn.shopify.com/s/files/1/1479/9532/files/25-08-22_081.jpg?v=1759697393","https://cdn.shopify.com/s/files/1/1479/9532/files/25-08-22_080.jpg?v=1759697393","https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-27_029_1200.jpg?v=1759697393","https://cdn.shopify.com/s/files/1/1479/9532/files/25-07-27_030_1200.jpg?v=1759697393"],"price":4675,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:26.311Z"},"share_url":"https://firestarter.network/l/lst_7usGUFse","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 ","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_7usGUFse' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Oval Gray Diamond Ring' and a budget_max comfortably above $4675.00 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."]}}