{"type":"firestarter.listing","listing":{"id":"lst_dSArB8Xz","product_name":"Oval & Round Diamond Curve Ring 18k Yellow. gold","category":"Rings","description":"Oval &amp; Round Diamond Curve Engagement Ring 18k Yellow Gold\n2.5 ct Natural Oval Diamond D VS1\n.73 ct Natural Round VS D White Diamonds\n ","images":["https://cdn.shopify.com/s/files/1/0077/6041/2731/files/FullSizeRender_f93661dd-d16d-4224-ae5e-e8e867dc85c0.jpg?v=1752530485"],"price":35995,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:21.083Z"},"share_url":"https://firestarter.network/l/lst_dSArB8Xz","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_dSArB8Xz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Oval & Round Diamond Curve Ring 18k Yellow. gold' and a budget_max comfortably above $35995.00 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."]}}