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CommandHelper adds simple command aliases, complex macros, and the ability to script your own commands and events into Minecraft, using the MethodScript scripting language.


You need to have Maven installed ( Once installed, simply run:

mvn clean package install

Maven will automatically download dependencies for you. Note: For that to work, be sure to add Maven to your "PATH". If you get a message about tests failing, try running:

mvn -Pprovisional-build clean package install


We happily accept contributions. The best way to do this is to fork CommandHelper on GitHub, add your changes, and then submit a pull request. We'll look at it, make comments, and merge it into CommandHelper if everything works out. If you make a PR, and feel your code is being nitpicked to death, don't worry! Whenever a code review is done, it tends to find lots of minor errors, even in a very experienced programmer. Don't get discouraged! We'll work with you to make the changes, and all contributions are appreciated. If the feature you want to add makes a significant change, however, it may be best to discuss the changes with the other contributors before you begin work on the feature.

By submitting code, you agree to dual license your code under the the MIT License and GPL, barring the special restriction regarding code submissions, explained in the SPECIAL_LICENSE.txt file, which is attached.

For details about code formatting standards, and other basic information for contributors, please see the CONTRIBUTING.txt file.

Portions of CommandHelper are copyright by various contributors.

This project uses BrowserStack ( for testing the website.


To install on Windows, you can follow the directions below (which are cross platform) or simply download the Windows installer, found here.

There are two modes of installation, both first require obtaining the MethodScript jar. You can build it yourself, or download the official builds from Github.

For other platforms or manual installation on Windows, grab the jar from here.

Minecraft: Installation in Minecraft is simple. Simply drop the jar in the plugins folder.

Standalone Programming: MethodScript is a fledgling general purpose programming language, and can be used from the command line, much like python, node, or other programming languages.

For all platforms, place the jar file in whatever location you like, (noting that it will create a folder at the same level which contains the configuration files, so it's probably easiest to put this in your user directory), then run java -jar MethodScript.jar install-cmdline as root/Administrator. This will install the mscript program and add it to your path, which can be used to start a REPL shell for quick tasks, execute a script file, or easily run the commandline tools. On Windows, this also installs a PowerShell module, which can be used with Import-Module -Name MethodScript and Invoke-MethodScript. On Windows, you must reboot your system after installation to use the mscript command in cmd.exe. You can install MethodScript using the same jar that is used in the Minecraft server, though two different environments are used, with separate folders for the CommandHelper installation, and the MethodScript installation. You can symlink these folders together if you wish your configuration to be the same for both environments.

Commandline Tools: Various command line tools are available for use, and are useful both for those that use the jar as a plugin, or as a general purpose language. Run java -jar MethodScript.jar help for a list of these tools, or if you have installed the commandline version, you can use mscript -- help.