Hi,
actually it's not a problem but a feature request. Is it possible to build the mpd package with the "--enable-upnp" configure flag¹?
I think especially ARM devices often have access to UPNP Media Sources and there are a some free apps for the different mobile devices to control the mpd daemon, so it's suited for playing music headless.
[1] http://www.lesbonscomptes.com/pages/mpd-upnp.html