A lesshint's reporter using the same lint-xml format that CSSLint.

Run the following command from the command line (add -g to install globally):

npm install lesshint-lint-xml-reporter 

Use lesshint with -r or --reporter option:

lesshint --reporter lesshint-lint-xml-reporter file.less lesshint --reporter /path/to/lesshint-lint-xml-reporter/reporter.js file.less