{"type":"firestarter.listing","listing":{"id":"lst_zIslvTWu","product_name":"KNKMiami - SpringCore Balance Duo Premium Adult Level 4 (260 lb Limit)","category":"Gymnastics & Bodyweight Equipment","description":"\n\nLevel 4 - the ultimate challenge: The most demanding balance and core platform in the collection.\n\nMulti-functional dance training: Trains turnout, turning, balance, promenading, and more all at once.\n\nIntegrated spinning base: Practice pirouettes and spinning techniques while building ankle, hip, back, and core strength.\n\nHeavy-duty up to 260 lb: Engineered for a wide range of adult users for safe, effective training.\n\nNon-slip platform and cushion: Secure footing and a comfortable cushion reduce the risk of slipping.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/KNKMiamiProductPhoto-SpringCoreBalanceDuoPremiumAdult.jpg?v=1780605096","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/KNKMiamiProductPhoto-SpringCoreBalanceDuoPremiumAdult1.jpg?v=1780605096"],"price":279,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:50.407Z"},"share_url":"https://firestarter.network/l/lst_zIslvTWu","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_zIslvTWu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KNKMiami - SpringCore Balance Duo Premium Adult Level 4 (260 lb Limit)' and a budget_max comfortably above $279.00 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."]}}