{"type":"firestarter.listing","listing":{"id":"lst_Q8_FXTRk","product_name":"Serious Steel Fitness - Single Prong Powerlifting Belt (10 mm)","category":"Weight Belt","description":"\n  \n10 mm leather blend with genuine suede: Provide durable support to train heavy and strengthen core and back over time.\n  \nSingle prong rolling buckle: Set up faster and keep the belt secure so you can perform heavy squats and pulls with confidence.\n  \nRigid, non-padded construction: Support and stabilize your core during competition powerlifting and general weightlifting.\n  \nConsistent 4 in width: Provide broad coverage across back and abdomen to improve form and resist strain during heavy lifts.\n  \nSizes Small–XX-Large (29.5 in–45 in): Ensure a precise waist fit to support training; measure waist, not pant size, for accuracy.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSF-Belts_Single-Prong-Black-Leather-CLEANED-UP_Main-Image_3.jpg?v=1780586292","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSF-Belts_Single-Prong-Black-Leather_Spec-Page-Aug-2022_2.jpg?v=1780586293","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSF-Belts_Single-Prong-Black-Leather_Spec-Page-Aug-2022_2_c4013a65-dbed-4c42-917c-2b1e558c9f08.jpg?v=1780586295","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSF-Belts_Single-Prong-Black-Leather_Tommy_4-Square.jpg?v=1780586288","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSF-Black-Figure-8-Straps_Tommy-Deadlift_6-Square.jpg?v=1780586286","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/SSF-Belts_Single-Prong-Black-Leather_Main-Image_2.jpg?v=1780586285"],"price":59.9,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:57:04.444Z"},"share_url":"https://firestarter.network/l/lst_Q8_FXTRk","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_Q8_FXTRk' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Serious Steel Fitness - Single Prong Powerlifting Belt (10 mm)' and a budget_max comfortably above $59.90 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."]}}