{"type":"firestarter.listing","listing":{"id":"lst_JZ7yPp7U","product_name":"Sterling Silver Mariner Anchor Chain Necklace (Mens)","category":"Necklace > Chains","description":"Mariner Anchor Chain Necklace\nSterling Silver (925) \nLengths available:16\"+ 2\" (18\" total)18\"+ 2\" (20\" total)22\"+ 2\" (24\" total)\nGift ready - Branded cotton bag included","images":["https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-CN-0579-9S-000-16-18_1_c22a34b4-31ab-4ff4-8a68-3d6bd115b526.jpg?v=1708343079","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A3937copy125705040579.jpg?v=1710778188","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/A5-CN-0579-9S-000-16-18_4.jpg?v=1710778188","https://cdn.shopify.com/s/files/1/0247/1034/8875/files/AC2A3939copy125705040579.jpg?v=1710778188"],"price":39,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:45.518Z"},"share_url":"https://firestarter.network/l/lst_JZ7yPp7U","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_JZ7yPp7U' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Sterling Silver Mariner Anchor Chain Necklace (Mens)' and a budget_max comfortably above $39.00 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."]}}