{"type":"firestarter.listing","listing":{"id":"lst_VPmF9mPi","product_name":"MRX - Power Weight Lifting Belts 4\" Wide For Men & Women Pink Purple","category":"Weight Belt","description":"\n  \nDurable leather build: Withstands heavy lifting and twisting so you can train back, core, and legs with confidence.\n  \n4\" wide back panel: Deliver extra support to your lower back during squats, deadlifts, and overhead press sessions.\n  \nStainless steel slide bar buckle: Adjust the fit quickly to keep the belt secure for any body shape or size.\n  \nAvailable in Pink, Purple, and Brown: Match your gym attire and perform in a style that suits your training look.\n  \nSix size options (S-3XL, 28\"-47\"): Ensure a proper fit whether you are just starting out or building serious strength.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-1.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-2.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-3.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2026-2028-size_chart_2.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-2_3.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-2_2.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-2_1.jpg?v=1780605778","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/2028-pur-2_1_7cc7c2be-252e-4e05-8c74-82cff7b62912.jpg?v=1780605778"],"price":34.99,"currency":"USD","in_stock":true,"inventory_qty":39996,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:55.259Z"},"share_url":"https://firestarter.network/l/lst_VPmF9mPi","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_VPmF9mPi' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy MRX - Power Weight Lifting Belts 4\" Wide For Men & Women Pink Purple' and a budget_max comfortably above $34.99 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."]}}