Note: Version 1.0.0 introduces some breaking changes. Make sure to read the documentation in case something is breaking at your end. 'cmdserver' is a simple, multi-threaded, module based and extensible command server with a straight forward API. Much of the functionality relies on ruby's ability to override module definitions at runtime. This, in turn becomes the servers protocol. Read the documentation further details. Gem includes an executable launching the server with a simple template file for getting started with writting protocol extension modules.