{"type":"firestarter.listing","listing":{"id":"lst_wVh5lbBm","product_name":"XMARK - Chisel Olympic EZ Curl Barbell, 47 inches","category":"EZ Curl Bar","description":"\n\nCurved EZ curl design: Ensure neutral wrists to target biceps and triceps and improve comfort.\n\n400 lb capacity: Withstand progressive loading to build biceps and triceps strength through heavy sets.\n\n47 in length, 33 in between sleeves: Provide compact control to target close-grip curls and triceps extensions.\n\n4 needle bearings: Deliver smooth, quieter spin to move plates cleanly and train consistent reps.\n\n28 mm carbon steel shaft, black manganese phosphate: Resist wear and provide secure control under load.\n\nChrome sleeves, snap ring, 6.25 in loadable, 2 in plate fit: Ensure durability and set up quick weight changes between sets.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/CHISEL-close.jpg?v=1780592099","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-Landing-Page-Assets-Curl-Barbell-18.jpg?v=1780592101","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-Landing-Page-Assets-Curl-Barbell-19_1.jpg?v=1780592100","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/XM-Landing-Page-Assets-Curl-Barbell-17.jpg?v=1780592101"],"price":89,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:57.437Z"},"share_url":"https://firestarter.network/l/lst_wVh5lbBm","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_wVh5lbBm' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Chisel Olympic EZ Curl Barbell, 47 inches' and a budget_max comfortably above $89.00 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."]}}