This is a discussion topic for the Ore project, WebInfoSponge. View the full project on Ore for downloads and more information.
This plugin allows you to view data about your server, as well as manage it by authorization. Change game settings, execute commands, and much more.
The forge and spigot versions is also available.
A new version has been released for WebInfoSponge, it is available for download here.
Publish first sponge version
Wouldn’t it be easier to shadow nanohttpd and reflections, rather than requiring server owners to add those manually?
Either way, great plugin, definitely hope to see more of it in the future 
At the time of creating the first public version, I didn’t know about “Fat jars” yet, but since 1.S3, all dependencies are embedded in the plugin file.