{"type":"firestarter.listing","listing":{"id":"lst_vzAMzHcr","product_name":"KNKMiami - Circular Yoga Block + 2 Ultra Bundle (12 & 24-Loop Heavy Bands)","category":"Gymnastics & Bodyweight Equipment","description":"\n\nBlock plus two heavy bands: Pairs the Circular Yoga Block with 12 and 24-loop heavy-resistance Ultra Stretch Bands.\n\nBuild serious strength: Heavy resistance develops strength and muscle definition for advanced athletes.\n\nIncrease flexibility: Deeper stretches and improved range of motion.\n\nBalance and coordination: The Circular Yoga Block adds advanced stability and core engagement, supporting up to 250 lb.\n\nBetter value, portable: Costs less than buying separately and travels easily for home or gym.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/savingPNG3.jpg?v=1780605096","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MagicEraser_230918_123019.jpg?v=1780605097","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MagicEraser_230721_010644_ea404218-0dd7-42ad-a411-1c27fb32e27e.jpg?v=1780605096","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MagicEraser_230915_172352_347e2965-c584-412e-85e8-c1fb2964114d.jpg?v=1780605096","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MagicEraser_230918_013533.jpg?v=1780605096","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/MagicEraser_230918_022347_f4c2bf17-33b1-4647-b320-17e126991adc.jpg?v=1780605096","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/savingPNG_ab3e94a7-5b9a-4823-8c9e-6fe682690a35.jpg?v=1780605096"],"price":136.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:50.327Z"},"share_url":"https://firestarter.network/l/lst_vzAMzHcr","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_vzAMzHcr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy KNKMiami - Circular Yoga Block + 2 Ultra Bundle (12 & 24-Loop Heavy Bands)' and a budget_max comfortably above $136.99 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."]}}