{"type":"firestarter.listing","listing":{"id":"lst_PQBrgSom","product_name":"Vintage 9ct Solid Gold Amethyst Croissant Ring","category":"Rings","description":"Vintage 9ct Solid Gold Amethyst Croissant Ring\n9ct Solid Gold with 9ct Solid White Gold detail (375)Amethyst oval stone measures: 4.6mm (h) x 3mm (w)6x Cubic Zirconia stones: approx 1mm eachWeight: 3gUK ring size R 1/2 / US size 9Front design measures: 8mm (h)Band width: 1.8mm at back, 3mm in front of shank 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-4512.jpg?v=1763991942","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2166_copy_443_451.jpg?v=1782892399","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-4513.jpg?v=1764232448","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/IMG_2165_copy_443_451.jpg?v=1782892399","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/vintagerings-451.jpg?v=1764232448"],"price":365,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:44.450Z"},"share_url":"https://firestarter.network/l/lst_PQBrgSom","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_PQBrgSom' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Vintage 9ct Solid Gold Amethyst Croissant Ring' and a budget_max comfortably above $365.00 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."]}}