{"type":"firestarter.listing","listing":{"id":"lst_91D3eGJG","product_name":"MARGARET HOWELL CURVE COLLAR SHIRT","category":null,"description":"\n100% lightweight ultra fine cotton\nWhite &amp; black check \nSoft hand feel and semi sheer finish\nFabric is woven in Japan \nCurved collar \nPleats on back yoke \nSide split hem\nFinished with mother of pearl buttons \nUK\n","images":["https://cdn.shopify.com/s/files/1/1046/1958/files/checkshirt1_b8f78095-54d1-4f50-8a7d-dca7e8d5b68c.jpg?v=1776620252","https://cdn.shopify.com/s/files/1/1046/1958/files/checkshirt2_3ee9b2b9-1a68-42f4-bcad-f96bfa501dc8.jpg?v=1776620252","https://cdn.shopify.com/s/files/1/1046/1958/files/checkshirt3_367b7707-6ccf-4417-98ab-5b47519eeede.jpg?v=1776620252"],"price":675,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:10.362Z"},"share_url":"https://firestarter.network/l/lst_91D3eGJG","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_91D3eGJG' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MARGARET HOWELL CURVE COLLAR SHIRT' and a budget_max comfortably above $675.00 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."]}}