This server-only method is working for me but is there any way to sendautomation information from logic, DP etc. via the SupercolliderAU backinto args within Supercollider itself?
If I understand what you mean maybe you can fake a custom plugin by including a pluginSpec.plist and a Synthdef that doesn't crash (ie doesn't use buffers). Then you look at the port you got in Console.app and prepare the synth from the lang and then try to use the parameters.
Not sure but it may work. . g