MC Toolkit / Servers / Server Config Generators
Server Config Generators
Generate JVM flags sized to your player count, a start script, eula.txt, plugin.yml and a Velocity or BungeeCord proxy config.
Save as eula.txt beside the jar. Ticking the box here is not agreement —
you are agreeing by running the server with it set to true.
Goes in src/main/resources/plugin.yml. The main path must match your
real class or the server refuses to load the jar.
Latest guides
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Setting up the official 26.3 Java server step by step: it needs Java 25, stops once for the EULA, and now ships with the whitelist switched on.
Aikar's flags change at 12 GB — five of them, and one goes down
Copying a 4 GB flag set onto a 16 GB server leaves five values wrong. Here is exactly which five, plus the player count where a modded server crosses the line and a vanilla one does not.