Not sure what it's like today, but last time I tried to use sassc it was a nightmare. The official repo was just the library with no CLI. I couldn't find a CLI that didn't also require me to compile it myself. Very frustrating.
Heh, I just woke up and read this and thought “well thats enough problem solving for today” :) Glad we could help you avoid the hell that is adding npm to a non-node project!