TOTP in your terminal (with built in add to clipboard) written to go. This is a quick hack and the secret keys are hard-coded into the binary for this example.
Get your TOTP Codes from Authy via alexzorin/authy: authy-export
AUTHY_EXPORT_PASSWORD='<MY_EXPORT_PASSWORD>' go run cmd/authy-export/authy-export.go
otpauth://totp/....?secret=redacted
otpauth://totp/....?secret=redacted