{"type":"firestarter.listing","listing":{"id":"lst_JKVfHArJ","product_name":"XMARK - Commercial Single-Stack Functional Trainer, Low Row, Cable Attachments","category":"Cable System","description":"\nRugged 3 in x 3 in Steel Mainframe: 11-gauge steel with 1 in bolts withstands training and keeps rows and presses stable.\n\nHeight & Space Requirements: 101 in tall; a 9 ft ceiling ensures full overhead pull-downs, presses, and cable travel.\n\nTough Powder Coat Finish: Matte black finish resists scratches to keep your trainer looking clean and professional.\n\n220-Pound Weight Stack: 10 lb plates and aluminum pulleys with a 2:1 ratio deliver smooth rows, curls, and pull-downs.\n\nFull Range of Attachments: Tricep rope, bars, and leg cuff expand options to target back, biceps, triceps, and glutes.\n\nPrecise Height Adjustments: 35 levels with 2 in spacing ensure exact setup for chest presses, lat pull-downs, and core.","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-9142.jpg?v=1780592055","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-9141.jpg?v=1780592055","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/weight_stack-9100_c13a58b7-6ec4-482a-80b7-7c1ad61b30f8.jpg?v=1780592055"],"price":2139,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.573Z"},"share_url":"https://firestarter.network/l/lst_JKVfHArJ","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 ","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_JKVfHArJ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Commercial Single-Stack Functional Trainer, Low Row, Cable Attachments' and a budget_max comfortably above $2139.00 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."]}}