Not currently; the only client right now is a native Android app[1]. However, the server[2] uses vanilla HTTP (for audio) and WebSockets (for data and eventing), so it should be relatively straight forward to build a web frontend.
[1] https://github.com/clangen/musikcube/tree/master/src/musikdr...
[2] https://github.com/clangen/musikcube/wiki/remote-api-documen...