{"type":"firestarter.listing","listing":{"id":"lst_ViLxYsGr","product_name":"JerkFit - Death Grips Premium Heavy Lifting Straps","category":"Lifting Straps","description":"\n\nHigh-grade PVC rubber: Deliver a powerful, tire-like grip to train back and hamstrings on deadlifts and heavy rows.\n\nNeoprene padding, contoured fit: Support wrists and keep circulation to perform heavy shrugs and lat pulls, target traps and lats longer.\n\nUp to 80% grip fatigue reduction: Ensure secure holds to target lats and back, keep the bar from dropping, and improve last-rep performance.\n\nQuick grab, twist, pull application: Improve bar control and set up fast for deadlifts, pull-ups, and heavy rows between working sets.\n\nThree sizes with fit guide: Provide a secure fit for 5 to 8+ in wrists, support men and women across skill levels from novice to competitor.\n\n15 cm x 15 cm x 3 cm dimensions: Store in your gym bag and move between stations, keep grip support ready for deadlifts and pull-ups.\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/AMZN_DG_Image01_prog01_1.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L02.jpg?v=1780581972","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L03.jpg?v=1780581972","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L04.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L00.jpg?v=1780581973","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/DEATH_GRIPS_PRODUCT_1500x1500_prog06-500x500.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L05.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/JerkFit-DeathGrips-L06.jpg?v=1780581971"],"price":39.95,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:51.623Z"},"share_url":"https://firestarter.network/l/lst_ViLxYsGr","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_ViLxYsGr' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy JerkFit - Death Grips Premium Heavy Lifting Straps' and a budget_max comfortably above $39.95 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."]}}