{"type":"firestarter.listing","listing":{"id":"lst_gdIuc8GY","product_name":"Gymreapers Gravestone® Backpack - Onyx","category":"Bags","description":"Why We Made This\nFor the real training enthusiasts - built for life, training, and travel. With a lifting belt exterior compartment around the base of the bag and vented shoe compartment the Gravestone® 35L backpack is built for the weightlifter in you. \n\n\n\n\n\n Designed for Casual\n\n\n\n\n\n\n  Water-Repellent Fabric\n\n\n\n\n\nThe Gravestone® Backpack full features: \n\nBottom access vented shoe pocket\nQuick access interior pockets to hold the essentials\nCustom Gymreapers molded EVA foam backing\nSide pocket to fit most water bottles up to 32 oz (946ml)\nInterior padded pocket that fits a 16\" laptop\nPadded shoulder straps for comfort\nZippered exterior pockets \nU.S. Patent Number - USD1128267\n\n","images":["https://cdn.shopify.com/s/files/1/0752/5585/files/gravestone-backpack-onyx-main.jpg?v=1721773357","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-shoe-pocket.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-closeup.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-accessories.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-belt-holder.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-bottle-holder.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-phone-pocket.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-front-strap.jpg?v=1721773363","https://cdn.shopify.com/s/files/1/0752/5585/files/Gravestone-Backpack-onyx-clip-strap.jpg?v=1721773363"],"price":188,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:03.825Z"},"share_url":"https://firestarter.network/l/lst_gdIuc8GY","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_gdIuc8GY' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Gymreapers Gravestone® Backpack - Onyx' and a budget_max comfortably above $188.00 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."]}}