I'd like a refactoring lint

So a refactoring editor doesn’t float my boat; a lint tool that warned me that there were bad smells in the code would…

Right now I use Gimpel Lint as a code review tool. I run it, it tells me nasty things about the code, I listen, fix or ignore. It would be nice if it could tell me that there were bad smells. I think this is where real value could come from refactoring tools.