FWIW oath-toolkit is available via homebrew on mac: brew install oath-toolkit Copy the key to your clipboard and then: oathtool -b --totp $(pbpaste) | pbcopy

FWIW oath-toolkit is available via homebrew on mac: brew install oath-toolkit Copy the key to your clipboard and then: oathtool -b --totp $(pbpaste) | pbcopy This keeps keys out of your history and copies the token into the clipboard.