{"type":"firestarter.listing","listing":{"id":"lst_tZmcNIqR","product_name":"Weathered Contour Cushion Champagne Diamond Ring","category":"Rings","description":"18k Yellow Gold &amp; Approx. 1.61ct Cushion Champagne Diamond. One of a Kind.\nAvailable in size 6.5\nMade and hand-finished in LA.","images":["https://cdn.shopify.com/s/files/1/0561/8748/6287/files/WEATHERED-CONTOUR-CUSHION-CHAMPAGNE-DIAMOND-RING_f1a8382f-7856-4acb-bcf7-592da78c9ad9.jpg?v=1774495032"],"price":17250,"currency":"USD","in_stock":true,"inventory_qty":239976,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.726Z"},"share_url":"https://firestarter.network/l/lst_tZmcNIqR","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_tZmcNIqR' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Weathered Contour Cushion Champagne Diamond Ring' and a budget_max comfortably above $17250.00 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."]}}