{"type":"firestarter.listing","listing":{"id":"lst_vn6Neg62","product_name":"Vintage 9ct Solid Gold Sapphire Marquise Ring","category":"Rings","description":"Vintage 9ct Solid Gold Sapphire Marquise Cluster Ring\n9ct Solid Gold with 9ct Solid White Gold detail (375)x2 Marquise Sapphire stones measure: 3.85mm (w) x 2mm (h)3x Cubic zirconia stones set in front, 1x 3.5mm, 2x 2.8mm 6x Cubic Zirconia stones set in shankProng settingWeight: 2.7gUK ring size: O / US ring size: 7.25Band thickness: 1.7mmHallmarkedUnworn perfect conditionOnly one is available - this ring is from a collection of unworn Vintage rings circa 1980s.Gift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-468.jpg?v=1763995341","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2140_copy_356_468_470.jpg?v=1782891473","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-4682.jpg?v=1764231862"],"price":339,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:44.432Z"},"share_url":"https://firestarter.network/l/lst_vn6Neg62","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 ","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_vn6Neg62' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage 9ct Solid Gold Sapphire Marquise Ring' and a budget_max comfortably above $339.00 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."]}}