You can find installation package or individual compiled binaries in the release section of the repository
Scripts are splitted into
In Scenes folder on the github repository you can find example cases of plugins use
For motionbuilder the default path for plugins is <motionbuilder>/bin/x64/plugins
Environment variables to define custom search path
MOTIONBUILDER_PLUGIN_PATH
for pluginsMOTIONBUILDER_PYTHON_STARTUP
for scriptsThere is a repository with application MoBu_ConfigApp that could help to define these paths with GUI.