Requires Chrome/Edge (Web Bluetooth). Keep the device near you and on its provisioning screen.
Read the 8-character code off the device screen and type it here. It never travels over Bluetooth — that's what stops someone in range from claiming your device.
Cloud Run cannot host Claude OAuth (localhost-only redirect). On your laptop, run the loopback login once — it signs you in and returns here with a session cookie.
Claims this device to your account and sends everything to it. The device then reboots into WiFi mode.