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Setting up
Zero_DSRS_VX edited this page Nov 4, 2025
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- First, get a release of RetroMCP from releases.
- Run RetroMCP by double clicking on the JAR file or by launching it in terminal with
java -jar
If launched by the former method, a GUI should automatically show up. For the latter method, a console-based interface will show up. - Run the
setuptask- If you are using the console interface, select the desired version using
setupcommand
If no arguments are provided, RetroMCP will show the list of available versions, but you can also specify one of existing versions to skip it. - If you are using the GUI, select the desired version in the top right corner
- If you are using the console interface, select the desired version using
- After that, you're ready to decompile Minecraft.
- In console, run the
decompilecommand - In the GUI, click the button that says "Decompile" in the top left corner
- In console, run the
- It's done. You can open
workspacein eclipse orworkspace/Client/Client.imlandworkspace/Server/Server.imlif you're using IntelliJ.
In RetroMCP-Java versions post release v1.0, workspaces are not created automatically. This is done for portability reasons. The minecraft_client and minecraft_server folders can be imported as projects into an existing workspace. You can also create a workspace folder for Eclipse and import them that way.
Refer to the FAQ for any issues that may occur.