Generate an MFA token with an OS X Keyboard Shortcut

mfatoken.applescript

-- Settings
set mfaSecret to "<token>"

-- Install oath-toolkit if not available
try
	do shell script "which /usr/local/bin/oathtool"
on error
	display dialog "This script needs to install oath-toolkit. Please ensure that brew is installed, then hit OK to continue."
	do shell script "brew install oath-toolkit"
end try

-- Generate key
set generated_key to do shell script "/usr/local/bin/oathtool --totp -b " & mfaSecret
set the clipboard to generated_key

-- Paste into Application
tell application "System Events"
	keystroke generated_key
end tell