Not unless you examine the toolboxes, perhaps using python ... arcpy.AddToolbox
tbx = arcpy.AddToolbox(pth)
tbx = arcpy.AddToolbox(pth)
dir(tbx)
Out[12]: ['AttributeSort', ... snip ..., 'Model', ... snip ..., 'Triangulate', '__alias__', '__all__', '__builtins__', '__doc__', '__loader__', '__name__', '__package__', '__pathname__', '__spec__', 'test']
... sort of retired...