{"type":"firestarter.listing","listing":{"id":"lst_Ht5kJkyC","product_name":"SMAI - Crossmember 42.7-inch with Laser Cut Guide Numbers (Vanta Series)","category":"Rack Attachments","description":"\n\n42.7 inch crossmember: Support rack stability and ensure a rigid frame for heavy presses and squats\n\nLaser cut guide numbers: Deliver repeatable attachment alignment to keep back and leg sessions consistent\n\nVanta Series compatibility: Ensure a precise fit with SMAI Vanta racks to support back, chest, and leg work\n\nBolt-on installation: Set up quickly using rack hardware to provide bracing that resists sway during lifts\n\nDurable steel build: Withstand daily gym use to ensure long-term rack stability for back and leg training\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CF1074-B1-1.jpg?v=1780581767","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CF1074-B1-2.jpg?v=1780581768","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CF1074-B1-3.jpg?v=1780581768"],"price":149,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-07-03T16:00:56.850Z"},"share_url":"https://firestarter.network/l/lst_Ht5kJkyC","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_Ht5kJkyC' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy SMAI - Crossmember 42.7-inch with Laser Cut Guide Numbers (Vanta Series)' and a budget_max comfortably above $149.00 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."]}}