{"type":"firestarter.listing","listing":{"id":"lst_Qvphg9Mv","product_name":"PowerBlock - Sport 24 Straight Bar","category":"Barbells","description":"\n\nSport 24 compatibility: Expand squats, curls, and deadlifts to train legs, biceps, and back using your existing dumbbells\n\n15–57 lb range: Provide progressive loads to build glutes, hamstrings, and back strength across barbell movements\n\n28 mm knurled bar: Ensure a secure grip to perform curls, squats, and deadlifts targeting arms, legs, and back\n\n33 in bar, 48.25 in total length: Provide balanced reach to support controlled squats and deadlifts for legs and core\n\nColor-coded charts on handle: Keep weight selection clear to move between sets and maintain workout pace\n\nUses Sport 24 weight stack: Support barbell training without additional weights to target legs, back, and arms\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/sport-24-straight-bar-_750-00308-00_main.jpg?v=1780589659"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.717Z"},"share_url":"https://firestarter.network/l/lst_Qvphg9Mv","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_Qvphg9Mv' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Sport 24 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."]}}