The Lupine M2 project - formally, Project Lupine - will design an MOF M2 Metamodel for modeling of ANSI Common Lisp program components, as well as an implementation of the UML M2 metamodel for MOF. GUI components will be defined onto CLIM.
Documetation for the Lupine M2 project is avaiable via the Lupine M2 Wiki and in the 'doc' directory in the project's source tree.