{"type":"firestarter.listing","listing":{"id":"lst_ioDwViFF","product_name":"XMARK - Blacksmith EZ Curl Bar, Fits Olympic Weight Plates","category":"EZ Curl Bar","description":"html\n\n\n28 mm EZ curl bar: Target biceps at different angles and improve intensity with alternating hand positions.\n\n400 lb capacity: Withstand heavy sets and provide room to progress as you train curls for stronger biceps.\n\n6.25 in loadable sleeves: Expand plate capacity and set up with 2 in Olympic plates for progressive curls.\n\n2 nylon and 2 brass bushings, snap ring: Deliver smooth rotation and keep sleeves secure for controlled biceps curls.\n\nCarbon steel, black manganese phosphate, chrome sleeves: Resist wear and deliver reliable performance during curls.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACKSMITH-CURL-5-nodotcom_b6565cb8-4d67-48dc-85ba-c19e70bdf7d4.jpg?v=1780592102","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blacksmith-01.jpg?v=1780592102","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/blacksmith-03.jpg?v=1780592103","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACKSMITH-CURL-2.jpg?v=1780592102","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACKSMITH-CURL-3.jpg?v=1780592102"],"price":96,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.501Z"},"share_url":"https://firestarter.network/l/lst_ioDwViFF","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_ioDwViFF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Blacksmith EZ Curl Bar, Fits Olympic Weight Plates' and a budget_max comfortably above $96.00 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."]}}