{"type":"firestarter.listing","listing":{"id":"lst_3Ko0nWic","product_name":"Pro Compression - Marathon, Black Classic Stripe","category":"Crew Sock","description":"\n\nTrue graduated compression: Improve circulation, deliver oxygen, and improve recovery for long runs and training.\n\nKnee-high vintage design: Black with three thick white stripes of varying widths to provide a classic look for daily wear.\n\nTargeted muscle and tendon support: Support calves and shins, reduce vibration, and improve running efficiency.\n\nMoisture-wicking fabric blend: Keep feet and legs dry and resist chafing and blisters during intense workouts and long runs.\n\nDurable construction: Ensure lasting compression and support to provide consistent comfort and performance over repeated wear.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/03122022-Knee-High-Compression-Socks-Marathon-Black-Classic-Stripe-1.jpg?v=1780603642","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/03122022-Knee-High-Compression-Socks-Marathon-Black-Classic-Stripe-2.jpg?v=1780603642","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/03122022-Knee-High-Compression-Socks-Marathon-Black-Classic-Stripe-3.jpg?v=1780603643","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/03122022-Knee-High-Compression-Socks-Marathon-Black-Classic-Stripe-4.jpg?v=1780603642"],"price":35,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.037Z"},"share_url":"https://firestarter.network/l/lst_3Ko0nWic","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_3Ko0nWic' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Pro Compression - Marathon, Black Classic Stripe' 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."]}}