{"type":"firestarter.listing","listing":{"id":"lst_loIyzj4O","product_name":"XMARK - Viper Half Power Rack","category":"Power Rack","description":"\n\n3 in x 3 in 11-gauge steel frame: Withstand heavy training and ensure stability for squats, bench, and pull-ups.\n\nFour 90 in uprights + four 18 in crossmembers: Provide a rigid setup to train legs and chest with stable bar paths.\n\nPull-up bar: Target back, biceps, and core as you perform pull-ups to build upper-body strength and control.\n\nJ-cups: Support secure racking for squats and bench to keep your bar set at the right height between sets.\n\nSafety spotter arms: Ensure protection on failed reps for bench and squat so you can train legs and chest safely.\n\nStainless steel storage posts: Store plates to keep the floor clear and improve transitions between squat and bench.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/5350-2.jpg?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/1_b6e9c244-ffad-4a23-a603-5dac24adb4eb.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/3_b011d25f-eef9-49d8-8e0e-23ff813ee37b.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/5_f6261323-92b9-40df-9f25-f851622eaddc.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/7_f6aa23da-98c9-4628-9f49-1899da2295d7.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2_3ce71228-6e73-44be-9999-272b4c292bcd.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/4_eab61d4f-154f-45d3-b45a-9a3ac6dd8460.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/6_beb4c52e-9979-4ae7-b8f3-98ac1629486b.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/8_b8a64d4f-46ac-4ed0-ab17-256dc2879153.png?v=1780592061","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-Website-Power-Rack-Infographics-Half.jpg?v=1780592060"],"price":1969,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.257Z"},"share_url":"https://firestarter.network/l/lst_loIyzj4O","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_loIyzj4O' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Viper Half Power Rack' and a budget_max comfortably above $1969.00 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."]}}