sys-auth/
yubico-piv-tool

Command-line tool and p11-kit module for the YubiKey PIV application

https://developers.yubico.com/yubico-piv-tool/

There are no pull requests

You think something is missing here?
Start with filling a new pull requests.

If you also like to help the Gentoo project, you can consider sending a Pull Request via GitHub.
Before doing so, you might want to take a look at the wiki page.