RAMChecker is a lightweight Paper 1.21.4 plugin that monitors server memory and automatically restarts when usage exceeds a configurable threshold.

Features:

/rc – view memory usage and TPS

Auto‑restart: set a MB limit; plugin runs save-all then sends your restart command

Toggle monitoring on/off with /rc autocheck on|off|status

Built‑in auto‑updater with Geyser‑style notifications and direct download (/rc update check/download)

Requirements: Paper 1.21.4, Java 21 Permissions: ramchecker.use (OP) for commands, ramchecker.update for update alerts Config: plugins/RC/config.yml – separate from the JAR

Simple, safe, and effective – keep your server running smoothly with minimal hassle.