{"type":"firestarter.listing","listing":{"id":"lst_CVVVNKgx","product_name":"VIVIENNE","category":"Ring","description":"18k gold bezel set indicolite Tourmaline sparkling stardust finish.\nApproximately gold weight: 12 grams\nGemstone weight: 4.60 carats\nAvailable in 18k Rose, 18k Yellow, 18k White Gold\nContact us at Hello@FutureFortuneJewelry.com for any customized request   \nEach design is made to order.  Delivery is estimated at 4-6 weeks from when order is placed","images":["https://cdn.shopify.com/s/files/1/0272/1287/3827/products/Viviienne.jpg?v=1668456157"],"price":5490,"currency":"USD","in_stock":true,"inventory_qty":239976,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:21.013Z"},"share_url":"https://firestarter.network/l/lst_CVVVNKgx","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_CVVVNKgx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy VIVIENNE' and a budget_max comfortably above $5490.00 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."]}}