{"type":"firestarter.listing","listing":{"id":"lst_3uGNCA2H","product_name":"Marquise Flourish Band","category":"Rings","description":"This lovely ring features a sparkling, brilliant cut, .31 carat marquise diamond measuring 7.5mm x 3.7mm, accented by trios of tiny 1.5mm diamonds. The stones are set on a 1.25mm hammered band which has a soft matte finish. This ring stacks beautifully with others in the collection.\nShown in 18k yellow gold, this ring is available in white gold or platinum upon request.","images":["https://cdn.shopify.com/s/files/1/1479/9532/products/210706-AKJ_026_1200.jpg?v=1757375415","https://cdn.shopify.com/s/files/1/1479/9532/files/24-07-15_033_Marquise_Flourish_Band_solo.jpg?v=1765573714","https://cdn.shopify.com/s/files/1/1479/9532/products/210706-AKJ_025_1200.jpg?v=1765573714","https://cdn.shopify.com/s/files/1/1479/9532/files/24-07-15_032_Marquise_Flourish_Band_stack.jpg?v=1757375415"],"price":4180,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.413Z"},"share_url":"https://firestarter.network/l/lst_3uGNCA2H","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_3uGNCA2H' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Marquise Flourish Band' and a budget_max comfortably above $4180.00 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."]}}