{"type":"firestarter.listing","listing":{"id":"lst_08ZfgT92","product_name":"Runner's Athletics - Midnight Marathoner Round","category":"Sunglasses","description":"\n\nUV400 polarized nylon lenses: Provide UV defense and cut glare to improve focus on bright roads and trails.\n\nAnti-fog coating: Keep lenses clear in humidity and sweat to ensure sharp vision during hard intervals and climbs.\n\nUltra-lightweight design: Provide low weight to support all-day wear on long runs, tempo sessions, and marathon training.\n\nAdjustable spring flex hinges: Ensure a secure, customized fit to keep frames stable during sprints, trail runs, and hill repeats.\n\nNo-slip, no-bounce fit: Keep sunglasses in place to improve focus and perform confidently on sharp turns, stairs, and urban routes.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288624.png?v=1780595913","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288215.png?v=1780595912","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288219.png?v=1780595913","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288218.png?v=1780595914","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288217.png?v=1780595913","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288216.png?v=1780595913","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/running-sunglasses-round-black-blue-lens-men-lifestyle.webp?v=1780595914","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/running-sunglasses-round-black-blue-lens-women-lifestyle.webp?v=1780595913"],"price":60,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:59.682Z"},"share_url":"https://firestarter.network/l/lst_08ZfgT92","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_08ZfgT92' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Runner's Athletics - Midnight Marathoner Round' and a budget_max comfortably above $60.00 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."]}}