I don't think it is quite as complete, but this looks usable https://github.com/jimivdw/grunt-mutation-testing https://github.com/jimivdw/grunt-mutation-testing

I don't think it is quite as complete, but this looks usable https://github.com/jimivdw/grunt-mutation-testing https://github.com/jimivdw/grunt-mutation-testing. That's just from google, no experience with it.