{"type":"firestarter.listing","listing":{"id":"lst_IDKJJoo5","product_name":"MRX - Weight Lifting Belt With Double Back Support Bodybuilding Gym Training Belt 5\" Wide All Sizes","category":"Lifting Belts","description":"\n  \n5\" wide belt: Supports your lower back and core to help prevent injury during heavy lifts.\n  \nDouble back support: Delivers extra stability to strengthen your spine during squats and deadlifts.\n  \nNeoprene and nylon cloth build: Provide a firm yet comfortable fit that holds up through intense training sessions.\n  \nStainless-steel slide bar buckle: Keeps the belt secure and in place so you can perform each lift with confidence.\n  \nLoop and hook closure: Lets you adjust the fit quickly between sets to keep your training moving.\n  \nUnisex design: Fits both men and women, making it a practical belt for any gym workout routine.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-low.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-size_chart_1.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-blk_12.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-blu_6.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-pnk_12.jpg?v=1780605537","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-pur_9.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-red_6.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-BLK-3.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-BLU-2.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-PNK-1-2.jpg?v=1780605536","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-PUR-2.jpg?v=1780605537","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2001-RED-4.jpg?v=1780605536"],"price":14.95,"currency":"USD","in_stock":true,"inventory_qty":249975,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:48.969Z"},"share_url":"https://firestarter.network/l/lst_IDKJJoo5","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_IDKJJoo5' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MRX - Weight Lifting Belt With Double Back Support Bodybuilding Gym Training Belt 5\" Wide All Sizes' and a budget_max comfortably above $14.95 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."]}}