1 / 3Built interface — Review dashboard
Overview
Anticheat Guardian is a server-side anticheat for Paper and Purpur servers. It watches movement, combat and packet behaviour for every player and scores what it sees against a set of checks, each with its own violation level, so a single odd tick is noted while a sustained pattern is acted on. Checks are grouped by category and can be tuned or disabled per world in config.yml.
Movement checks cover fly, speed, no-fall, phase, timer and step, with lag compensation that accounts for ping and TPS so a laggy player is not punished for the network. Combat checks cover reach, killaura patterns, auto-clicker cadence, aim consistency and hit-through-block. Packet checks catch bad packet order, crash attempts and inventory actions that the client should not be able to send.
When a check trips, staff with the alert permission see a compact message in chat and a violation entry is written to the log with the surrounding ticks, so a reviewer can replay what the player did before and after the flag. Mitigation is configurable per check: set back, cancel the hit, freeze, or run a command such as a LuckPerms group change or a temporary ban after a threshold.
The review page is a small web app delivered as source for you to run on your own hosting. It reads the plugin's log database and lists flagged players, their violation history and the replay entries, with a resolve button that records who reviewed the case. Client cheats change often, so the checks are revised as new clients and bypass techniques appear on Paper builds.
What you get
- Paper plugin .jar with movement, combat and packet check categories
- Per-check violation levels, thresholds and mitigation actions in config.yml
- Lag compensation tied to ping and TPS so network issues are not flagged
- Staff alerts in chat with a permission node and a toggle command
- Replay-style violation log with the ticks before and after each flag
- Web review page as source code to run on your own hosting
- PlaceholderAPI placeholders for violation counts on scoreboards and tab
- Check revisions as new client cheats and bypasses appear
Eligible resources
The plan covers these resource types. Individual resources are listed in your Gaming Library as they publish.
- Movement checks
- Combat checks
- Packet checks
- Mitigation rules
- Review page
- Alert formats
Features
- Scored, not guessed
- Every check adds to a violation level with decay, so a single odd tick is logged while a repeated pattern triggers mitigation.
- Replay what happened
- Each flag stores the surrounding ticks of position, rotation and packets, so a reviewer can read the sequence rather than trust the alert.
- Mitigation you decide
- Set back, cancel, freeze or run any command per check, with thresholds that separate a warning from a temporary ban.
Compatibility and requirements
Works with
- Paper and Purpur 1.20.4 through 1.21.x
- Velocity or BungeeCord networks with per-server config
- LuckPerms for permissions and group-based mitigation commands
- PlaceholderAPI for violation placeholders, optional
You need
- A Paper or Purpur server you control with console or panel access
- Java 21 for current Paper builds
- Node.js hosting for the web review page, optional
Updates and content cadence
- The full check set, log and review page from your first day
- Check revisions as new client cheats and bypass techniques appear
- Compatibility updates for each Paper release and Java change while subscribed
License
- Licensed for one server network you own or operate.
- You may edit, re-texture and configure resources for that network.
- Reselling, sharing or re-uploading the files is not permitted.
Installation
- 1Download Anticheat Guardian from your Gaming Library.
- 2Place the .jar in your server's plugins folder and restart to generate config.yml.
- 3Set alert and bypass permissions in LuckPerms, then tune thresholds per check in config.yml.
- 4Deploy the review page source on your own hosting and point it at the plugin's log database.
- 5Run /guardian reload and check the console for the loaded check list.
If you cancel
- Access and updates continue until the end of the period you paid for.
- The licence to run the plugin ends with the subscription.
- Remove the plugin from live servers once access ends.
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Anticheat Guardian
