StyleCI has launched on the GitHub Marketplace. Let machines do what they’re good at; never review code style again! It was a pleasure to work with the GitHub staff to make this happen. It's now easier than never to get started with StyleCI.
You can find our listing at https://github.com/marketplace/styleci, and GitHub's initial blog post at https://github.com/blog/2411-introducing-seven-new-apps-to-github-marketplace.