To install these plugins, point Eclipse at this site. MDT OCL SDK 1.2.3RC2 S200902101708: contains runtime, source, and documentation. MDT OCL SDK 1.2.0RC4 S200806091714: contains runtime, source, and documentation. MDT UML2 SDK 2.2.2RC2a S200902101440: contains runtime, source, and documentation. MDT UML2TOOLS SDK (Incubation) 0.8.0RC4 S200806112132: contains runtime, source, and documentation. MDT UML2 SDK 3.0.0M4 S200812161215: contains runtime, source, and documentation.