{"type":"firestarter.listing","listing":{"id":"lst_l4_jd2B4","product_name":"Gold Bar Emerald & Diamond Necklace","category":"Necklaces","description":"18k Yellow Gold, Approximately .89ct Old Mine Cut Diamonds &amp; 1.60ct Octagon Cut Emerald.\n15.75\" Non-Adjustable \nOne-of-a-kind\nMade and hand-finished in LA, each piece sold helps ocean-related causes.","images":["https://cdn.shopify.com/s/files/1/0561/8748/6287/files/GOLD_BAR_EMERALD_DIAMOND_NECKLACE.jpg?v=1748777302"],"price":35550,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:26.281Z"},"share_url":"https://firestarter.network/l/lst_l4_jd2B4","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_l4_jd2B4' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gold Bar Emerald & Diamond Necklace' and a budget_max comfortably above $35550.00 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."]}}