See script directory for method. The script to run in the top level MaxScale directory is called maxscale-uncrustify.sh, which uses another script, list-src, from the same directory (so you need to set your PATH). The uncrustify version was 0.66.
For obvious reasons; the c++ suffix is .cc and not .cpp
The filter example uses the C++ template which helps new filter creation by showing the minimal implementation required for a filter.
