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Welcome to the MCPFixer wiki!

MCPFixer is only needed for versions 1.13 and up. Do not follow this tutorial if you are dealing with versions 1.12.2 and below.

This tutorial has a lot of steps to follow. If you want to decompile Minecraft quickly, use this alternative instead: https://github.com/Hexeption/MCP-Reborn

To start off, head to the tutorial page that matches the Minecraft version you are trying to decompile. The tutorials will reference a fixer tool, which you can get from the releases section of this repo. Make sure you have the latest version of the tool.

Then, head to the launching page for instructions on how to setup the Eclipse workspace in order to run the decompiled code.

For decompiling snapshots or using Mojang mappings before 1.17, head to the special cases page.