{"type":"firestarter.listing","listing":{"id":"lst_xn8QmJp3","product_name":"Field Sock (Black)","category":"SOCKS","description":"Classic mid weight field sock in a marl cotton.\n\nClassic field sock template\nMid weight cotton\n100% Marl Cotton\nMade in China\n","images":["https://cdn.shopify.com/s/files/1/2425/1015/files/FIELDSOCK_BLACK_1.jpg?v=1754906987","https://cdn.shopify.com/s/files/1/2425/1015/files/FIELDSOCK_BLACK-2_1.jpg?v=1754906988"],"price":21,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:30:33.558Z"},"share_url":"https://firestarter.network/l/lst_xn8QmJp3","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_xn8QmJp3' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Field Sock (Black)' and a budget_max comfortably above $21.00 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."]}}