media-sound/
mpd-ynca

MPD client to control Yamaha AV receivers with YNCA (network control) support

https://github.com/chewi/mpd-ynca

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.