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 the IBM Rational Software Architect family of modeling tools was released in 2008 and the first version for open-source Eclipse 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 and UML-RT modeling.
MetaModelAgent is certified as "Ready for IBM Rational Software".