{"type":"firestarter.listing","listing":{"id":"lst_65YPSYvq","product_name":"JerkFit - RTB Weight Belt","category":"Weight Belt","description":"\n\nLightweight contour design: Provide ergonomic back support, keep edges from digging, and improve core engagement during lifts.\n\nDouble-wall hook and loop strap: Ensure consistent bracing, resist slippage mid-lift, and keep the belt on between sets for back and core stability.\n\nHeavy-duty neoprene-like build: Deliver comparable back support to leather, store folded in a gym bag, and move between stations.\n\nSpine-aligning support: Ensure proper bracing and strengthen back and core for deadlifts, cleans, squats, snatches, and thrusters.\n\nBelly-button midsection sizing: Ensure a precise fit to support your core and keep the belt secure during heavy training sessions.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JF_BELT_1080_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WeightBelt01_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JF_BELT_SIZE_CHART_prog02.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WeightBelt02_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WeightBelt03_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WeightBelt04_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/WeightBelt05_prog01.jpg?v=1780581971"],"price":26.21,"currency":"USD","in_stock":true,"inventory_qty":49995,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:51.602Z"},"share_url":"https://firestarter.network/l/lst_65YPSYvq","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_65YPSYvq' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy JerkFit - RTB Weight Belt' and a budget_max comfortably above $26.21 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."]}}