{"type":"firestarter.listing","listing":{"id":"lst_Q-v5SgUV","product_name":"XMARK - Black Diamond Olympic Weight Plates","category":"Weight Plate","description":"\nPatented Design: Keep plates identifiable and train legs, back, and core in any gym setting.\n\nExceptional Durability: Withstand heavy use with a solid cast iron core encased in premium virgin rubber.\n\nColor Retention: Keep a bold, solid color that resists fading to improve plate visibility and gym presentation over time.\n\nVersatile Use: Support home and commercial gyms, and build strength across lifts that target legs, back, and core.\n\nSmooth Performance: Ensure a secure fit on a standard 2 in Olympic barbell to keep changes quick between sets.","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-45-P.jpg?v=1780592099","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-10-P.jpg?v=1780592099","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-25-P.jpg?v=1780592100","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-35-P.jpg?v=1780592100","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-BAL-65.jpg?v=1780592099","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-BAL-95.jpg?v=1780592099","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-BAL-115.jpg?v=1780592099","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-BAL-185-2.jpg?v=1780592100","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/BLACK-DIAMOND-BAL-205.jpg?v=1780592099"],"price":66,"currency":"USD","in_stock":true,"inventory_qty":89991,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:53.135Z"},"share_url":"https://firestarter.network/l/lst_Q-v5SgUV","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_Q-v5SgUV' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy XMARK - Black Diamond Olympic Weight Plates' and a budget_max comfortably above $66.00 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."]}}