dumps class files to disk then you can use jad to decompile
add the agent parameter as a jvm argument -javaagent:class-dumper-agent-0.1-SNAPSHOT.jar="(.*)MyClass(.*),"C:/Temp/classes/"
paramater 1 is a regexp that matches the full name of the class as obtained with Class.getName() like : (.*)MyClass(.*)
parameter 2 is the path where to put classes like : "C:/Temp/classes/"