MetaModelAgent v4.2.2 is now supporting Papyrus 3.x (Oxygen) as well as Papyrus RT 1.0 (Oxygen). Papyrus v2.0 is still supported and also all editions of IBM Rational Software Architect 8.0 and later.
Beside the support for new versions of Papyrus, several bugs have been fixed. For more info of new features and bug fixes, see the MetaModelAgent website.
For free download, use the Eclipse update site:
http://www.metamodelagent.com/update
When MetaModelAgent have been installed you will be able to register for an evaluation license or request a limited FREE license.