⚡ FrozenRedstone
📦 Plugin Info
FrozenRedstone protects your server from redstone-based lag machines by detecting and throttling abusive contraptions — high-frequency clocks, observer ping-pong loops, spam-piston machines, and cascading block-update storms — in real time, while leaving normal farms, doors, and elevators completely untouched. Download it if griefers or accidental "lag machines" have ever brought your server's TPS to a crawl and you want automatic protection without manually policing redstone builds.
- Name: FrozenRedstone
- Version: 2.0.0
- Description (plugin.yml): Advanced redstone lag prevention for Paper 1.21 - 1.21.11
👤 Author Info
- Author: DrFrozenXD
✅ Versions / Compatibility / Software Support
- API Version: 1.21
- Supports: Paper 1.21 – 1.21.11
- Server software: Paper and forks
- Dependencies: None — fully standalone
🔐 Permissions
| Permission | Default | Purpose |
|---|---|---|
frozenrc.admin |
op | Access to all /frozenrc admin commands |
⌨️ Commands
| Command | Aliases | Permission | Usage |
|---|---|---|---|
/frozenrc |
/frc, /frozenredstone |
frozenrc.admin |
/frozenrc <status|stats|reload|reset|debug|help> |
status— shows current configuration and which protections are enabledstats— shows throttle/suppression statistics since last resetreload— reloadsconfig.ymllivereset— resets accumulated statistics back to zerodebug— toggles debug/verbose console logging in-sessionhelp— shows the command list
🎯 Uses
- 🕒 Clock Detection — catches repeaters, comparators, torches, and observers firing faster than a configurable threshold (default 20/sec) and briefly freezes them. Normal 2–10 Hz farm clocks are never touched.
- 🔁 Observer Loop Prevention — cancels infinite observer-vs-observer ping-pong loops, a common lag-machine exploit.
- 🧱 Piston Control — rate-limits piston extend/retract cycles to stop piston-spam lag machines, and can block the sticky-piston "flying machine" exploit pattern. Normal doors, farms, and elevators (1–3 activations/sec) are unaffected.
- 🛑 Update Suppressor — a hard per-tick cap on block physics events as a last-resort safety net against massive update cascades. Buttons, levers, and pressure plates are always exempt so player interaction never breaks.
- 🗺️ Chunk Redstone Limiter — caps total redstone updates per chunk per second, catching large distributed lag machines that spread across many blocks.
- 📢 Optional admin notifications whenever a lag source gets throttled, so you know exactly what triggered it and where.
- 🐛 Built-in debug logging for diagnosing false positives or tuning thresholds to your server's builds.
⚙️ Key Config Areas (config.yml)
debug— toggle verbose console loggingclock-detection.*— enable/disable, activations-per-second threshold, freeze cooldown, admin notificationsobserver-loop.*— enable/disable observer ping-pong loop cancellationpiston-control.*— enable/disable, max extensions/sec, sticky-piston flying-machine blockingupdate-suppressor.*— enable/disable, max block-physics updates processed per tickchunk-limiter.*— enable/disable, max redstone updates per chunk per secondprefix— chat message prefix shown in plugin messages
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as FrozenRedstone-2.0.0.jar — drop this file into the mods folder
- Download size: 23 KB
- Download link checked 27 Sept 2026 — working
These come from our own check of the pack file, not from the source page.