{"type":"firestarter.listing","listing":{"id":"lst_3cG3-Tyz","product_name":"Keychron K3 HE Wireless Magnetic Switch Custom Keyboard","category":"Slim Keyboards","description":"The Keychron K3 HE redefines magnetic keyboards with our innovative Ultra-Fast Lime low-profile magnetic switches powered by Hall Effect sensing — delivering exceptional speed and precision in an ultra-slim 75% layout. It supports 2.4 GHz, Bluetooth, and wired triple connectivity. Customize effortlessly via the Keychron Launcher web app to remap keys and create macros. It includes LSA (low-profile spherical-angled) keycaps and is fully compatible with Windows, macOS, and Linux.\nThis product is available for pre-order. The ANSI layout version is expected to ship in June, and the ISO layout version in September.","images":["https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Features.jpg?v=1774250330","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Magnetic-Switch.jpg?v=1774250330","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Switch-Features.jpg?v=1774250330","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Triple-Connection-Modes.jpg?v=1774250330","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Ultra-slim-body-with-wooden-frame.jpg?v=1775880770","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Double-shot-PBT-Keycaps.jpg?v=1774250330","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Launcher-Customization.jpg?v=1774250330","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Swappable-RGB-Backlight---Black-_Special-Edition.jpg?v=1774259140","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-HE-Swappable-RGB-Backlight---White-_Special-Edition.jpg?v=1774259140","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-HE-Wireless-Hot-swappable-RGB-Backlight---Black-_Special-Edition_-Nordic-layout.jpg?v=1779086892","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-HE-Wireless-Hot-swappable-RGB-Backlight---Black-_Special-Edition_-German-layout.jpg?v=1779086897","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-HE-Wireless-Hot-swappable-RGB-Backlight---Black-_Special-Edition_-UK-layout.jpg?v=1779086903"],"price":119.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:16.809Z"},"share_url":"https://firestarter.network/l/lst_3cG3-Tyz","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_3cG3-Tyz' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Keychron K3 HE Wireless Magnetic Switch Custom Keyboard' and a budget_max comfortably above $119.99 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."]}}