{"type":"firestarter.listing","listing":{"id":"lst_1d0JDz2r","product_name":"Runner's Athletics - Blackout Round","category":"Sunglasses","description":"\n\nUV400 polarized nylon lenses: Provide UV defense and glare control to improve focus on sunny roads and track work.\n\nAnti-fog coating: Ensure clear vision in humid miles and sweaty intervals to keep eyes sharp from warm-up to cooldown.\n\nUltra-lightweight design: Provide lasting comfort on long runs and marathon training to keep distractions low.\n\nAdjustable spring flex hinges: Ensure a customizable fit across head shapes to keep frames secure and comfortable.\n\nNo-slip, no-bounce fit: Keep your sunglasses stable during sprints, trail descents, and high-output training days.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288324.png?v=1780595910","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288626.png?v=1780595911","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288325.png?v=1780595911","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288328.png?v=1780595911","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288327.png?v=1780595912","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/round-running-sunglasses-uv400-polarized-lightweight-runners-ath-1215288326.png?v=1780595911","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/running-sunglasses-round-black-dark-lens-men-lifestyle.webp?v=1780595913","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/running-sunglasses-round-black-dark-lens-women-detail.webp?v=1780595913"],"price":48,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:59.691Z"},"share_url":"https://firestarter.network/l/lst_1d0JDz2r","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_1d0JDz2r' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Runner's Athletics - Blackout Round' and a budget_max comfortably above $48.00 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."]}}