Hello.
MATE is avaible in Mageia Russian Community Repository.

Warning: MATE is avaible first of all for TESTING now. Don't use MATE as main (default) desktop environment on your system.

MATE is a desktop environment forked from the now-unmaintained code base of GNOME 2.

Now MATE is available for Mageia users.

How to add Mageia Russian Community Repository (eng)

If MRC Repository was already added, you need update available packages list.
by root:

MATE installation
by root:

Warning: MATE is avaible first of all for TESTING now. Don't use MATE as main (default) desktop environment on your system.

Oleg.