{"type":"firestarter.listing","listing":{"id":"lst_mBC085x3","product_name":"Vintage 9ct Solid Gold Ruby & CZ Cluster Ring","category":"Rings > Stone","description":"Vintage 9ct Solid Gold Ruby &amp; CZ Cluster Ring\n9ct Solid Gold with 9ct Solid White Gold detail (375)3x marquise cut Ruby stones7x Cubic Zirconia stonesProng settingTwisted shank designThe front design measures: 8.2mm (h) x 10mm (w)Band thickness: 1.72mmWeight: 2.8gUK ring size O 1/2 / US ring size 7.5Hallmarked Unworn 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-469.jpg?v=1763999232","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2173_copy_469_442.jpg?v=1782890465","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-4692.jpg?v=1764172178","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2172_copy_442_469_660c1870-0d58-491a-a2b4-8639f3543468.jpg?v=1782890464"],"price":359,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:44.440Z"},"share_url":"https://firestarter.network/l/lst_mBC085x3","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_mBC085x3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage 9ct Solid Gold Ruby & CZ Cluster Ring' and a budget_max comfortably above $359.00 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."]}}