{"type":"firestarter.listing","listing":{"id":"lst_VCG_GE1-","product_name":"PowerBlock - Pro Series Straight Bar","category":"Barbells","description":"\n\n28 mm knurled steel: Provide a solid grip to perform rows, squats, and presses, targeting back, legs, and chest\n\nAdjustable barbell solution: Keep your home gym compact and keep costs down as you train back, legs, chest with one bar that stores compactly\n\nCompatible with Pro 32, Pro 50, Pro EXP; U50, U70, U90: Expand training and target back, legs, chest using your dumbbells\n\nMagnetic selector pin; no stationary base required: Improve changeovers to perform rows, squats, presses and keep training back, legs, chest\n\n48.5 in or 56.5 in total length (33 in or 41 in bar): Support rows, squats, and presses to train back, legs, and chest\n\nWeight chart on handle: Ensure quick reference so you set up loads and perform sets with accurate targets for rows, squats, and presses\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/EZ-Bar-800x600-1.jpg?v=1780589659"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.783Z"},"share_url":"https://firestarter.network/l/lst_VCG_GE1-","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_VCG_GE1-' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Pro Series Straight Bar' and a budget_max comfortably above $199.00 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."]}}