{"type":"firestarter.listing","listing":{"id":"lst_ATPvfXTE","product_name":"Keychron K8 Ultra 8K Wireless Custom Mechanical Keyboard","category":"Custom Keyboards","description":"Keychron K8 Ultra is a wireless custom mechanical keyboard featuring a premium full-metal frame. It supports 2.4 GHz wireless, Bluetooth, and wired connections. Through the Keychron Launcher web app, you can remap any key and create macros on its compact TKL layout. Powered by ZMK firmware, it delivers an 8K polling rate in wireless mode while offering up to 760 hours of battery life (with the backlight off). It is also fully compatible with Windows, macOS, and Linux.","images":["https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-1_9c24b513-8105-4a91-8bdf-7ef7fb4c65e2.jpg?v=1780624074","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-2-2.jpg?v=1781074694","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-3.jpg?v=1778835231","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-4_c070d39c-6259-4796-8b5b-bbdc50578b70.jpg?v=1780624078","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-5.jpg?v=1778835231","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-7.jpg?v=1778835231","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-7_e30f638e-2382-4643-bfd6-62c73e4e50de.jpg?v=1778835399","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/Keychron-K8-Ultra-8K-Wireless-Custom-Mechanical-Keyboard-8.jpg?v=1778835232","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K8-Ultra-8k-red-switch.jpg?v=1778831022","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K8-Ultra-8k-brown-switch.jpg?v=1778831037","https://cdn.shopify.com/s/files/1/0059/0630/1017/files/K8-Ultra-8k-banana-switch.jpg?v=1778831052"],"price":119.99,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T14:56:16.731Z"},"share_url":"https://firestarter.network/l/lst_ATPvfXTE","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_ATPvfXTE' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Keychron K8 Ultra 8K Wireless Custom Mechanical 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."]}}