CoffeeLint is a style checker that helps keep CoffeeScript code clean and consistent.
For guides on installing, using and configuring CoffeeLint, head over here.
To suggest a feature, report a bug, or general discussion, head over here.
I don't have time to devote to this project these days, so if you want to work on it, send me an e-mail and I'll add you to the repo. Or feel free to fork your own version.