{"type":"firestarter.listing","listing":{"id":"lst_mxatqCBW","product_name":"Opal Earring","category":"Earring","description":"These stunning Opal studs are like a tiny universe of color on your ear. With ethically-mined white Australian opal and 14k solid gold, these delicate cabochon opal earrings combine classic style with bold beauty. Wear your October birthstone jewelry, and show off your sparkle.","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-opal-gemstone-earring-studs-14k_da2d72ae-885e-456e-ab4c-f0b3f490b103.jpg?v=1773931433","https://cdn.shopify.com/s/files/1/2065/2103/files/opal-gemstone-studs.jpg?v=1773931450","https://cdn.shopify.com/s/files/1/2065/2103/files/white-gold-opal-stud.jpg?v=1773931450","https://cdn.shopify.com/s/files/1/2065/2103/files/rose-gold-opal-stud.jpg?v=1773931450"],"price":374,"currency":"USD","in_stock":true,"inventory_qty":239976,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:43.414Z"},"share_url":"https://firestarter.network/l/lst_mxatqCBW","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_mxatqCBW' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Opal Earring' and a budget_max comfortably above $374.00 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."]}}