{"type":"firestarter.listing","listing":{"id":"lst_whBBLbOu","product_name":"KNKMiami - SpringCore Balance Beam 4 Springs (130 lb Limit)","category":"Gymnastics & Bodyweight Equipment","description":"\n\n4-spring beam platform: Four heavy-duty springs create an unstable surface that replicates a gymnastics beam in a safe setting.\n\nBalance and coordination: Mastering the moving platform significantly improves overall balance and coordination.\n\nVersatile exercises: Great for squats, lunges, and even aerial exercises for a full-body workout.\n\nSupports up to 130 lb: Sized for lighter and younger athletes and dancers.\n\nDurable, safe build: Two reinforced wood boards, a non-skid lower platform, and a cushioned non-slip top.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/KNKMiamiProductPhoto-SpringCoreBalanceBeam.jpg?v=1780603582"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:50.398Z"},"share_url":"https://firestarter.network/l/lst_whBBLbOu","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_whBBLbOu' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KNKMiami - SpringCore Balance Beam 4 Springs (130 lb Limit)' and a budget_max comfortably above $199.00 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."]}}