The command `arduino-cli board list` should use proxy to call board VIP/PID identification API, but this is not implemented yet: https://github.com/arduino/arduino-cli/blob/6903076cd3e0ba05791dbd248907a7d42c7f9e16/commands/board/list.go#L57 We may consider to use `downloader` for this piece too.