It's cool but I don't think I'd actually buy anything, I don't really know who I'm giving my info and my money to (and stripe just says I'm paying "Mr. S")
For OTP secrets, you could add my yubikey-otp tool, which is a CLI tool for searching and adding otp secrets stored on your YubiKey to your clipboard: https://github.com/MarkusZoppelt/yubikey-otp
https://stickr.shop