{"type":"firestarter.listing","listing":{"id":"lst_wcbmRCGy","product_name":"XMARK - Black Premium IWF Training Bumpers (KG) Pairs and Sets","category":"Bumper Plate","description":"\n\nExceeds IWF training tolerance: Held within two nickels (10 g) of the stated weight for competition-level accuracy.\n\nBlack gloss matte finish: Raised lettering and IWF color-coding allow quick, effortless weight identification.\n\n45 cm IWF diameter: Matches competition plate height for consistent bar setup across lifts.\n\nShore A durometer 90: Optimal hardness that reduces bounce and delivers controlled, stable impact.\n\nDrop tested 30,000 times: Continuous 8 ft drops confirm durability through the most demanding sessions.\n\nChrome-plated steel inserts, 50.4 mm opening: Provide a snug, secure fit on standard 2 in Olympic bars.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-25-KG.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-10-KG.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-15-KG.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-20-KG.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-KG-90.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-KG-110_46cd5231-1901-46a5-9d9a-b8768d8328f7.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-KG-120.jpg?v=1781061328","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/TRAINING-KG-140.jpg?v=1781061328"],"price":259,"currency":"USD","in_stock":true,"inventory_qty":79992,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:49.305Z"},"share_url":"https://firestarter.network/l/lst_wcbmRCGy","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_wcbmRCGy' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Black Premium IWF Training Bumpers (KG) Pairs and Sets' and a budget_max comfortably above $259.00 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."]}}