{"type":"firestarter.listing","listing":{"id":"lst_I-lqDelC","product_name":"Romeus Heart Necklace. Gold Vermeil (BACK ORDER)","category":null,"description":"\nMETAL: Solid sterling silver and gold vermeil.\nSTYLE: Heart T-Bar necklace, strong and modern in design. A layerable and lovable piece.\n50cm in length. If you require shorter or longer, please get in touch.\nFINISH: Full polish. \n\n\n","images":["https://cdn.shopify.com/s/files/1/0945/5768/files/Romeus_Heart_Necklace__Gold_Vermeil__Monarc_Jewellery-removebg.png?v=1687770208","https://cdn.shopify.com/s/files/1/0945/5768/products/EcomB_W3_7_0b85a6f6-b022-494a-a794-489d9b66ae6e.jpg?v=1687770208","https://cdn.shopify.com/s/files/1/0945/5768/products/Lo-Res_Monarc_Romeus_Collection_Campaign.jpg?v=1687770208"],"price":198,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:23.325Z"},"share_url":"https://firestarter.network/l/lst_I-lqDelC","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_I-lqDelC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Romeus Heart Necklace. Gold Vermeil (BACK ORDER)' and a budget_max comfortably above $198.00 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."]}}