{"type":"firestarter.listing","listing":{"id":"lst_dSxD6ad0","product_name":"Gray Diamond Halo Ring","category":"Rings","description":"This luminous, sparkling rose cut gray diamond is surrounded by a halo of twelve twinkling white diamonds. All diamonds are bezel set in 22k gold, and set atop a hammered 18k 2mm band.\nMatte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/26-04-22_036.jpg?v=1778090176","https://cdn.shopify.com/s/files/1/1479/9532/files/26-04-22_073.jpg?v=1778090142","https://cdn.shopify.com/s/files/1/1479/9532/files/26-04-22_035.jpg?v=1778090337"],"price":5885,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:25.663Z"},"share_url":"https://firestarter.network/l/lst_dSxD6ad0","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_dSxD6ad0' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gray Diamond Halo Ring' and a budget_max comfortably above $5885.00 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."]}}