Contributing to the JetBrains MPS Project
File a Bug Report
Bug reports are the simplest way you can get involved. Bug reports take little time to file and
are very helpful to developers. When you discover a problem, please report it. Make sure you
provide information about your environment (OS, JDK and MPS version), steps to reproduce the
issue, as well as a textual description of the problem. You can file a bug in JetBrains MPS
YouTrack bug database. Before submitting an issue, you may also want to search for already
submitted ones describing the same problem - and if you find one, feel free to vote for it.
Create Unit Test Reproducing the Problem
Bug reports are helpful, but as you probably know, most of the problems can be reproduced/checked
by automated JUnit tests. It's much more easy and convenient for our developers to reproduce the
problem by running a test case instead of manually going through a list of steps to reproduce
the bug. If you invest a little bit more time and create a JUnit test reproducing your problem,
we will usually be able to fix/process your bug faster.
Contribute Code Indirectly
If you would like to improve the MPS code, you can submit a patch by attaching it to
corresponding request in the JetBrains MPS YouTrack bug database. You can either file a new
issue with the patch attached, or attach a patch to an issue submitted by another user. A
developer will review your patch and, if it meets the quality criteria and fits with the rest of
the code, you'll be notified about the acceptance of the patch. As it was already mentioned,
patches having a unit-test attaches should be processed faster.
Contribute Code Directly
Although the main Git repository is located at JetBrains, we keep a
public mirror at GitHub. The mirror is primarily
meant to be an easy-to-use repository for external contributors, who can contribute code
effortlessly through pull requests.
Please check out the
to JetBrains MPS Project page for full details on how to build the project from sources
and how to submit your code contributions.
Sharing and Co-Hosting Your Oss Project
If you are building an open-source project with MPS, please consider the option to host
Continuous Integration for your project at TeamCity,
right next to the MPS project itself, with no charge. This way you’ll be able to effortlessly
build your project against the newest (or any other) version of MPS. If this is something
that your project could benefit from, please let us know.
The better the concepts are explained the more enthusiasts will join us in the MPS community. If
you’re interested in collaborating, let us know. We can grant you write permission to the
Confluence space, discuss your ideas and point you to the the biggest sore-spots.
Contribute Tutorials, Presentations or Videos
If you have created a tutorial or a video on MPS, please let us know and we will share it on the
project website for other MPS enthusiasts to benefit.