{"type":"firestarter.listing","listing":{"id":"lst_NN0lujGO","product_name":"Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard","category":"Slim Keyboards","description":"Keychron K3 Max is an ultra-slim wireless custom mechanical keyboard. It supports 2.4 GHz, Bluetooth, and a wired connection. It allows anyone to master any keys or macro commands on its 75% compact layout through Keychron Launcher web app. Besides, it has included LSA (low profile spherical-angled) profile keycaps for both Windows and macOS, and users can hot-swap with Gateron low-profile MX mechanical switch in a breeze (for RGB Backlight Hot-Swappable Version only).\nShop the new version K3 HE & K3 Ultra 8K.","images":["https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Iconic-Features.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Gateron-Switches.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Ultra-slim-Body.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Double-shot-PBT-Keycaps.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Triple-Connection-Modes.jpg?v=1760344629","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Launcher-Customization.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-QMK-VIA-Wireless-Custom-Mechanical-Keyboard-75-Percent-Layout-Fully-Assembled-for-Mac-Windows-Linux-Gateron-low-profile-Red.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-QMK-VIA-Wireless-Custom-Mechanical-Keyboard-75-Percent-Layout-Fully-Assembled-for-Mac-Windows-Linux-Gateron-low-profile-Blue.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-QMK-VIA-Wireless-Custom-Mechanical-Keyboard-75-Percent-Layout-Fully-Assembled-for-Mac-Windows-Linux-Gateron-low-profile-Brown.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Wireless-Mechanical-Keyboard-Red-Switch-White.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Wireless-Mechanical-Keyboard-Brown-Switch-White.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K3-Max-Wireless-Mechanical-Keyboard-Banana-Switch-White.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-Wireless-Mechanical-Keyboard-White-Gray.jpg?v=1760344477","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron_K3_Max_QMK_VIA_Wireless_White_Gray_Fully_Assembled_White_Backlight_Low_Profile_Gateron_Mechanical_Brown_Custom_Mechanical_Keyboard.jpg?v=1761207103"],"price":99.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:17.021Z"},"share_url":"https://firestarter.network/l/lst_NN0lujGO","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 ","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_NN0lujGO' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard' and a budget_max comfortably above $99.99 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."]}}