Because this is a blog post rather than something that people can play with or try out, it does not really meet the spirit of 'Show HN'.
Show HN guidelines: https://news.ycombinator.com/showhn.html
Show HN guidelines: https://news.ycombinator.com/showhn.html
You can also get the code from Github here and set it up yourself: https://github.com/RestDB/clientexamples/tree/master/Auth0%2...