{"type":"firestarter.listing","listing":{"id":"lst_PQU6tQTg","product_name":"2\" Necklace Extenders | Recycled 14k Gold & Sterling Silver","category":"Necklaces","description":"Need some extra length on your favorite necklace? Our necklace extenders can clip on to any necklace for an easy extension. We recommend pairing with necklaces that have a similar size and chain style for a matching aesthetic. \nCable Chain Necklace Extenders available recycled 14k gold or sterling silver and your choice of cable or curb chain. Each extender is 2\" total in length.","images":["https://cdn.shopify.com/s/files/1/0245/6344/9908/products/IMG_5265_jpg2.jpg?v=1670351731","https://cdn.shopify.com/s/files/1/0245/6344/9908/products/IMG_5273.jpg?v=1670351731"],"price":25,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:35.924Z"},"share_url":"https://firestarter.network/l/lst_PQU6tQTg","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_PQU6tQTg' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2\" Necklace Extenders | Recycled 14k Gold & Sterling Silver' and a budget_max comfortably above $25.00 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."]}}