{"type":"firestarter.listing","listing":{"id":"lst_aAplHQAl","product_name":"MARGARET HOWELL SIMPLE SHIRT","category":null,"description":"\n\n 79% cotton, 21% silk; lightweight with a soft, papery hand feel \n\nEcru / Grey / Black stripe \nThis perennial Margaret Howell design has a regular cut\nConstructed with a raised placket and dropped patch pocket \nFeatures a hanger loop detail on the back yoke\nFinished with horn buttons\nDry clean \nItaly \n\n","images":["https://cdn.shopify.com/s/files/1/1046/1958/files/SIMPLE_SHIRT_2.jpg?v=1757623011","https://cdn.shopify.com/s/files/1/1046/1958/files/SIMPLE_SHIRT_1.jpg?v=1757623011","https://cdn.shopify.com/s/files/1/1046/1958/files/SIMPLE_SHIRT_3.jpg?v=1757623004","https://cdn.shopify.com/s/files/1/1046/1958/files/SIMPLE_SHIRT.jpg?v=1757623005"],"price":650,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-18T20:44:11.758Z"},"share_url":"https://firestarter.network/l/lst_aAplHQAl","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_aAplHQAl' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MARGARET HOWELL SIMPLE SHIRT' and a budget_max comfortably above $650.00 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."]}}