{"type":"firestarter.listing","listing":{"id":"lst_xDfvy0ti","product_name":"Valor Fitness - Adjustable 18\" to 31\" Plyo Box","category":"Foam Box","description":"\n\nHeavy-duty steel build: Ensure stable, non-slip footing as you train legs, glutes, and core for power.\n\n5 adjustable heights (18–31 in): Expand training intensity and target legs and glutes as skills progress.\n\n19.75 in × 23.75 in rubber top: Keep footing secure to perform explosive box jumps and step-ups.\n\n2 popper-pins + 2 steel rod safety pins: Ensure each leg locks in place so the box will not move during plyo work.\n\n400 lb max capacity: Support home and light-commercial training for box jumps, box squats, and step-ups.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pbx-adj-adjustable-plyo-box-1.jpg?v=1780601195","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pbx-adj-adjustable-plyo-box-2.jpg?v=1780601195","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pbx-adj-adjustable-plyo-box-3.jpg?v=1780601195","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pbx-adj-adjustable-plyo-box-4.jpg?v=1780601195","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pbx-adj-adjustable-plyo-box-5.jpg?v=1780601195","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pbx-adj-adjustable-plyo-box-6.jpg?v=1780601196"],"price":214,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.798Z"},"share_url":"https://firestarter.network/l/lst_xDfvy0ti","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_xDfvy0ti' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Valor Fitness - Adjustable 18\" to 31\" Plyo Box' and a budget_max comfortably above $214.00 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."]}}