{"type":"firestarter.listing","listing":{"id":"lst_yJI-Fpjc","product_name":"Pro Compression - Marathon wide-calf, just peachy","category":"Crew Sock","description":"\nWide-calf sizes 2XL–4XL: Ensure a secure fit for 20–26 in calves (2XL 20–22 in, 3XL 23–24 in, 4XL 25–26 in) to perform during long workouts.\n\n20–30 mmHg graduated compression: Improve lower-leg circulation to perform during training and post-workout use.\n\nKnee-high Marathon design: Support calves and lower legs to deliver stable stride control throughout endurance training sessions.\n\nAdvanced muscle and tendon support: Support calves and lower-leg tendons to improve stability and keep calves fresher as you train.\n\nMoisture-wicking proprietary blend: Keep feet and calves dry and comfortable to perform through long workouts and post-workout use.","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WCJustPeachy.jpg?v=1780605909","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSP_422_2.jpg?v=1780605909","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSP_363_3.jpg?v=1780605910","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WCJustPeachy_1.jpg?v=1780605909"],"price":35,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.130Z"},"share_url":"https://firestarter.network/l/lst_yJI-Fpjc","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_yJI-Fpjc' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pro Compression - Marathon wide-calf, just peachy' 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."]}}