{"type":"firestarter.listing","listing":{"id":"lst_Z1CCEQld","product_name":"Flat Mariner Chain","category":"Necklaces","description":"A maritime marvel, this mariner chain is THE necklace that goes with everything. Each solid 14k yellow gold link is a flat oval with a reinforcing bar in the center. Designed for strength and style, this flat mariner chain can be worn every day. Pair it with our Puffy Mariner Chain in a different length for a cool graduated look. Secures with a lobster lock and an easy-to-grip Automic Gold AU plate.","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-flat-mariner-chain.jpg?v=1776392793","https://cdn.shopify.com/s/files/1/2065/2103/files/14k-gold-flat-mariner-chain-necklace.jpg?v=1776392793","https://cdn.shopify.com/s/files/1/2065/2103/files/solid-gold-flat-mariner-chain-necklace.jpg?v=1776392793","https://cdn.shopify.com/s/files/1/2065/2103/files/mariner-franco-bismark-chain-necklaces_2.jpg?v=1776392793","https://cdn.shopify.com/s/files/1/2065/2103/files/solid-14k-gold-chains.jpg?v=1776800049"],"price":573,"currency":"USD","in_stock":true,"inventory_qty":99990,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:41.669Z"},"share_url":"https://firestarter.network/l/lst_Z1CCEQld","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_Z1CCEQld' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Flat Mariner Chain' and a budget_max comfortably above $573.00 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."]}}