{"type":"firestarter.listing","listing":{"id":"lst_yFdfI1Fl","product_name":"Vintage 9ct Solid Gold Diamond Topaz Heart Ring","category":"Rings","description":"Vintage 9ct Solid Gold Diamond Topaz Heart shaped Ring\n9ct Solid Yellow Gold (375) with 9ct Solid White Gold prong settingBlue Topaz Heart stone measures: 5mm12pts of diamond stones: 1mm per diamondWeight: 3.1gUK ring size: Q / US ring size: 8Band width measures: 1.9mm HallmarkedUnworn 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-3312.jpg?v=1764001736","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2162_copy_7550_331_302.jpg?v=1782892081","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-3313.jpg?v=1764234592","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2159_copy_7550_331_302.jpg?v=1782891890","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-331.jpg?v=1764234592"],"price":420,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:44.460Z"},"share_url":"https://firestarter.network/l/lst_yFdfI1Fl","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_yFdfI1Fl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage 9ct Solid Gold Diamond Topaz Heart Ring' and a budget_max comfortably above $420.00 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."]}}