{"type":"firestarter.listing","listing":{"id":"lst_-W4W0paD","product_name":"Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard","category":"Slim Keyboards","description":"Keychron K3 Max SE 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 mechanical switch in a breeze.","images":["https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-features.jpg?v=1774505925","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-Wooden-Frame_9f5ff8e5-9f24-4a9c-8ce7-691bdcc4a0d0.jpg?v=1775720737","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-Double-Shot-PBT-Keycaps.jpg?v=1775720737","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-Switches.jpg?v=1775720737","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-Triple-Connection-Modes.jpg?v=1775720737","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-Each-Key-Is-Customizable-Online.jpg?v=1775720737","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-QMK-Wireless-75_-Layout-Mechanical-Keyboard-Red-Switch.jpg?v=1775732599","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-QMK-Wireless-75_-Layout-Mechanical-Keyboard-Brown-Switch.jpg?v=1775732599","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K3-Max-SE-QMK-Wireless-75_-Layout-Mechanical-Keyboard-Banana-Switch.jpg?v=1775732599"],"price":104.99,"currency":"USD","in_stock":true,"inventory_qty":19998,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:16.796Z"},"share_url":"https://firestarter.network/l/lst_-W4W0paD","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_-W4W0paD' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard' and a budget_max comfortably above $104.99 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."]}}