Can we also discuss the fact that LastPass's two factor authentication is clearly done client-side (if you already have logged in on a machine, then you can fil

Can we also discuss the fact that LastPass's two factor authentication is clearly done client-side (if you already have logged in on a machine, then you can fill in a login before it asks for your two factor authentication token). This is ridiculous. I need to switch to something else, is there a browser plugin for free software password managers like KeePassX?