{"type":"firestarter.listing","listing":{"id":"lst_eciBpI6W","product_name":"PowerBlock - Pro Series EZ Curl Bar","category":"Barbells","description":"\n\n25 mm knurled steel bar: Ensure IPF-standard grip and withstand years of training on curls, presses, and extensions.\n\nPro Series/Urethane compatibility: Expand training using Pro 50, Pro EXP, U50, U70, U90 dumbbells.\n\nMagnetic selector pin (Pro Series): Deliver quick weight swaps to target biceps, triceps, and chest between sets.\n\nNo stationary base required: Keep floors clear and store or move the bar in compact home gym spaces.\n\n2.5 lb micro-adjustments: Improve progression and build strength on curls, extensions, and presses.\n\n33 in bar length (48 in total): Keep movements tight and store the bar in small home gyms.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/EZ-Bar-800x600-2.jpg?v=1780589658"],"price":199,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:03.724Z"},"share_url":"https://firestarter.network/l/lst_eciBpI6W","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_eciBpI6W' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy PowerBlock - Pro Series EZ Curl 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."]}}