{"type":"firestarter.listing","listing":{"id":"lst_iVX3_y4G","product_name":"KNKMiami - SpringCore Balance Adult Level 1 (260 lb Limit)","category":"Gymnastics & Bodyweight Equipment","description":"\n\nSpring-loaded balance training: Metal springs engage your core and legs to build stability for everyday activities and athletic moves.\n\nIncreased ankle mobility: Widens your ankle range of motion for smoother, more agile movement.\n\nSupports up to 260 lb: Reinforced wood circles create a rock-solid platform built for adult users.\n\nNon-slip, comfortable top: Keeps you secure so you can focus on technique through long sessions.\n\nMoisture-resistant coating: A protective finish guards against moisture so you can train worry-free.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/springcore-adult.jpg?v=1780603587","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/H1.jpg?v=1780603587","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/H2.jpg?v=1780603587","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/springcore-adult-bundle_661fd61c-2df6-40a5-a00c-d3aef059d3f4.jpg?v=1780603587","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/H3.jpg?v=1780603587"],"price":189,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:50.421Z"},"share_url":"https://firestarter.network/l/lst_iVX3_y4G","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_iVX3_y4G' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KNKMiami - SpringCore Balance Adult Level 1 (260 lb Limit)' and a budget_max comfortably above $189.00 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."]}}