{"type":"firestarter.listing","listing":{"id":"lst_z_G3DLpf","product_name":"9ct Solid Gold Opal Chain Stud","category":"Body > Cartilage","description":"Opal Chain Stud\n9ct Solid Gold (375)Sold as a single studHeart shape fitting (screws on back to secure ) = 3mmSynthetic opal stones 3mm (Main stone) 2mm (stone charm on a chain)Bar thickness: 1mmBar length (except ball) 5.5mmChain length: 16mmGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/opalchainstud_44a9f35c-567f-4afb-949c-00251e50c0f5.jpg?v=1708603731","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A9953_copy_4417_6362_5516_0035_0038_32431392-4510-4b27-bc7b-d7ea2f726e70.jpg?v=1741792582","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/I3-SB-4025-Y9-OPA-0_1.jpg?v=1740644749"],"price":80,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:47.328Z"},"share_url":"https://firestarter.network/l/lst_z_G3DLpf","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_z_G3DLpf' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 9ct Solid Gold Opal Chain Stud' and a budget_max comfortably above $80.00 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."]}}