{"type":"firestarter.listing","listing":{"id":"lst_a0mwZm9x","product_name":"MRX - Weight Lifting Belt Leather 4 Inches Wide Back Support Powerlifting Belts for Men Women","category":"Weight Belt","description":"\n  \nGenuine leather build: Withstands daily training sessions and delivers lasting resilience for squats, deadlifts, and clean and jerks.\n  \nRustproof steel buckle: Keeps your belt firmly secured at the waist to provide stability and comfort during heavy lifts.\n  \nReinforced stitching: Strengthen the belt's structure so it can withstand intense use and maintain a clean, durable look over time.\n  \n4 in wide, 8 mm thick design: Targets lower back and core support to help you build strength and improve performance under heavy loads.\n  \nSix sizes available: S (26-30) through XXXL (46-50) belly measurements ensure a proper, supportive fit for men and women.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/713eJwet9nL._AC_SL1500.jpg?v=1780605879","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/71ADbBTgZnL._AC_SL1500.jpg?v=1780605879","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2006-ABR-Weight-Lifting-Belts-Genuine-Leather-All-Brown-Main-New.jpg?v=1780605879","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2006-ABL-Weight-Lifting-Belts-Real-Leather-All-Black-Main-1.jpg?v=1780605879","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2006-BLK-Weight-Lifting-Belts-Real-Leather-Black-Main-1.jpg?v=1780605879"],"price":26.99,"currency":"USD","in_stock":true,"inventory_qty":129987,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:55.235Z"},"share_url":"https://firestarter.network/l/lst_a0mwZm9x","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_a0mwZm9x' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MRX - Weight Lifting Belt Leather 4 Inches Wide Back Support Powerlifting Belts for Men Women' and a budget_max comfortably above $26.99 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."]}}