{"type":"firestarter.listing","listing":{"id":"lst_xEsZSyuT","product_name":"Pro Compression - Marathon Wide-Calf, Smile","category":"Crew Sock","description":"\n\n20–30 mmHg compression: Deliver graduated pressure to improve circulation and perform on long runs.\n\nWide-calf sizing 2XL–4XL (20–26 in): Provide a secure knee-high fit and support calves as you train.\n\nDetailed fit by size: 2XL 20–22 in, 3XL 23–24 in, 4XL 25–26 in to ensure accuracy and keep socks in place.\n\nGraduated design: Support calves to improve endurance and perform through long runs and recovery.\n\nMoisture-wicking blend: Keep legs dry and provide comfort so you perform during runs and recovery.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WCSmile_35950096-58f1-4a8b-aead-03e22210dc25.jpg?v=1780607399","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSP_644.jpg?v=1780607399","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSP_597.jpg?v=1780607399","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WCSmile_1_9a7f78b2-321f-4056-9925-40a553b157b0.jpg?v=1780607399"],"price":35,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.078Z"},"share_url":"https://firestarter.network/l/lst_xEsZSyuT","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 ","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_xEsZSyuT' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pro Compression - Marathon Wide-Calf, Smile' and a budget_max comfortably above $35.00 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."]}}