{"type":"firestarter.listing","listing":{"id":"lst_-g8rkgFy","product_name":"18ct Gold Plated Barleycorn Chain","category":"Necklace > Chains","description":"Barleycorn Chain\n18ct Gold Plated (Base Metal - Sterling Silver (925)Chain length: 18 inchesChain thickness: 1.3mmSpring ring fitting\nGift ready - branded cotton gift bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A1-CN-5000-9S-000-0_1.jpg?v=1730366366","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A7335_copy_7018_1223_7108_2022_6714_1.jpg?v=1752652339","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-CN-5000-9S-000-0_2.jpg?v=1752652339","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A5060_copy_0807_0417_2813_1165_0330_5000_RAM-STAR.jpg?v=1771247871","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A7336_copy_1754_7018_1223_73b2f205-ae69-4e3a-bad7-7d24ad9c939e.jpg?v=1762944332"],"price":37,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.261Z"},"share_url":"https://firestarter.network/l/lst_-g8rkgFy","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_-g8rkgFy' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 18ct Gold Plated Barleycorn Chain' and a budget_max comfortably above $37.00 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."]}}