I actually wrote something like that for Keybase before KBFS was announced: https://github.com/jzila/kb-login-ext https://github.com/jzila/kb-login-ext The app

I actually wrote something like that for Keybase before KBFS was announced: https://github.com/jzila/kb-login-ext https://github.com/jzila/kb-login-ext The approach you detailed is the way to go once the filesystem is in the wild. Such power!