{"type":"firestarter.listing","listing":{"id":"lst_s-VLLJ7l","product_name":"PowerBlock - Pro 100 Straight Bar","category":"Barbells","description":"\n\n28 mm knurled steel, IPF standard: Deliver a secure grip and withstand years of heavy rows, squats, and presses.\n\n33 in bar length (48.5 in total): Provide balanced control to train chest, back, and legs in a compact home gym.\n\nIntegrates PowerBlock Adjustable Dumbbells: Expand to an adjustable barbell to save space and money in your home gym.\n\nCompatible with Pro 100 EXP system: Ensure quick weight changes via magnetic selector pin to keep workouts on pace.\n\nNo stationary base required: Improve portability so you can set up, move, and store the bar cleanly between sessions.\n\nWeight charts on blocks and handle: Provide clear guidance to set up exact loads for chest, back, legs, and shoulders.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/pro-100-exp-straight-bar-_750-00306-00_main-web2.jpg?v=1780589658"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.758Z"},"share_url":"https://firestarter.network/l/lst_s-VLLJ7l","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_s-VLLJ7l' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Pro 100 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."]}}