pass

Generating 2FA tokens with pass requires otp extension.

First, decode the QR code qr.png by running zbarimg -q qr.png from the terminal - this requires the zbar-tools package. Copy the string right after QR-Code:. Then run pass otp add abc where abc is the name for this OTP e.g. work, gmail etc. Paste the clipboard items, and then use pass otp abc to generate them - it will ask for passphrase of the GPG keys. To automatically copy the OTP token to your clipboard, run pass otp -c abc.