{"type":"firestarter.listing","listing":{"id":"lst_WA1dI6sz","product_name":"Square White Topaz Stud Earrings","category":"Earrings","description":"These clear white rose cut topaz stones sparkle within warm 22k gold bezels. So brilliant, and a perfect neutral that makes every day special. \nEarrings measure approximately 7.5mm across. Sterling silver backs and posts. Matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/25-12-04_0021.jpg?v=1765474040","https://cdn.shopify.com/s/files/1/1479/9532/files/25-12-04_011.jpg?v=1765474072","https://cdn.shopify.com/s/files/1/1479/9532/files/25-12-04_0011.jpg?v=1765474072"],"price":755,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.975Z"},"share_url":"https://firestarter.network/l/lst_WA1dI6sz","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_WA1dI6sz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Square White Topaz Stud Earrings' and a budget_max comfortably above $755.00 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."]}}