{"type":"firestarter.listing","listing":{"id":"lst_Pot6ZENF","product_name":"JerkFit - Adjustable Grip Strength Hand Exerciser","category":"Hand Grips","description":"\n\nFully adjustable tension: Train and strengthen forearms and hands with progressive loads tailored to you\n\n5 kg to 60 kg resistance: Build grip and forearm strength to support heavier lifts and reduce plateaus\n\nBuilt-in rep counter: Keep count to improve progression and provide PR targets at home or work\n\nComfort grip handle: Provide a secure hold to train longer sets and strengthen hands at home or work\n\nDurable construction: Withstand daily training and stress-relief squeezes to keep building hand strength\n","images":["https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Hero_ColorOptions_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Front_Hero_Orange_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Front_Hero_Black_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Diagram.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Countergrip.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Back.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Front.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_ManHands.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Side.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Female.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Female_Hero_Orange_prog01.jpg?v=1780581971","https://cdn.shopify.com/s/files/1/0508/3670/1334/files/Gripper_Female_Hero_Black_prog01.jpg?v=1780581971"],"price":11.95,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:51.598Z"},"share_url":"https://firestarter.network/l/lst_Pot6ZENF","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_Pot6ZENF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy JerkFit - Adjustable Grip Strength Hand Exerciser' and a budget_max comfortably above $11.95 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."]}}