The first version of MetaModelAgent was developed for Rational Rose around year 2000. MetaModelAgent was after that completely redesigned and reimplemented for the Eclipse-platform using the EMF and UML2 frameworks.
The first version of MetaModelAgent for IBM Rational Software Architect (RSA) was released in 2008 and the first version for open-source Papyrus was released in 2013.
MetaModelAgent has been continually extended with more and more features and is currently a modeling tool extension for UML-based domain-specific modeling as well as for standard UML-modeling.
MetaModelAgent is certified as "Ready for IBM Rational Software".