Minecraft anticheat plugin: what AI can build, and what it cannot

The honest part first: a generated anticheat will not replace a proven one

A serious anticheat is not an algorithm, it is a history. The well known projects have been thrown against cheat clients of every kind, every game version, players on terrible connections, elytras, horses, bubble columns, ice, and teleports fired by third party plugins. Every false positive a server reported turned into a tweaked threshold. That accumulated tuning cannot be produced from a description, no matter which model is behind it.

The real danger of a homemade anticheat is not missing a cheater, it is punishing an innocent one. Set the speed threshold slightly too tight and the first lag spike bans a legitimate player in front of the whole server. On a PvP server that costs more than the cheating did, because you lose regulars and you lose the trust of everyone watching.

So the honest recommendation: keep a maintained anticheat for low level movement and combat checks. What you generate with Minax sits next to it, not in place of it. The rest of this page is about that layer, and it is far from a side note.

• Fine grained movement and combat checks: keep a maintained anticheat
• False positives are the real risk, not missed detections
• Cheat clients keep evolving, frozen code falls behind
• A custom plugin complements your anticheat, it does not replace it

What a generic anticheat cannot know, and you do

A downloaded anticheat knows Minecraft. It does not know your server. It has no idea that your economy normally tops out at a few hundred coins an hour, that your minigame cannot be finished under a certain time, that chests are banned in your spawn region, that your jobs system caps out at a given number of blocks per minute. Those rules are written nowhere except in your head.

That is the kind of check a generated plugin handles very well, because there is nothing to tune: the rule is binary and you already know it. You state the threshold, the plugin watches it, and it fires exactly what you asked for. No mysterious false positives to hunt down, because the whole logic is one sentence you wrote yourself.

• Coin gain that is impossible in your economy, or a suspicious player to player transfer
• Item duplication through your custom chest, your shop or your kit system
• An impossible score in your minigame, or a parkour time below the human record
• Automated farming: blocks broken per minute beyond what you allow
• Opening containers in a protected region, or reaching a warp without the rank
• Command, click or chat spam above your own limit
• Several accounts online from the same session at once

Logging: the most underrated win

Most moderation disputes are not settled by a detection, they are settled by a record. Who broke that block, who opened that chest, who received those diamonds, at what time, in which world. A custom plugin records exactly the events you care about, in the format you want, without the millions of useless lines a general purpose logger produces.

Say what you want stored and where: one file per day, an embedded SQLite database, one table per event type. Add an in game lookup command for your staff with a filter by player and date, and you cover almost every daily "that was not me" argument. This part is ordinary Java with no empirical tuning involved, which makes it solid ground for generation.

• A log of the events you pick, not of the entire server
• Flat file, JSON or embedded SQLite, your call, just say which
• In game lookup command, filterable by player and time range
• Punishment history kept with the reason and the moderator who issued it

Automatic punishments: where custom code wins outright

Every server has its own punishment ladder and no downloaded plugin implements yours exactly. You are the one who knows that a first spam offence is a warning, that the third one is a mute for a length you decide, and that an item duplication attempt is an immediate ban pending review. That escalation logic is ideal for generation: it is explicit rules, not statistical detection.

Put your thresholds and durations in config.yml so you can change them without regenerating the plugin. Also cover the case where the player is offline when the punishment lands, and punishments that expire on their own. Those are the two classic omissions, so mention them in your description.

• Warn, mute, kick, temp ban escalation following your own ladder
• Durations and thresholds in config.yml, editable without regenerating
• Punishment still applied when the player logs back in later
• Automatic expiry, plus a command to lift a punishment that was unfair
• Per rank permissions, worth naming LuckPerms if that is what you run

Moderation tools and staff alerts

The other big part of the job is arming the humans. A custom plugin can give your team exactly the commands they keep asking for, with your wording and your colours, instead of six overlapping plugins whose permission nodes contradict each other.

Alerts are simple in principle: when a rule is crossed, online staff get a chat message, and you can ask for that message to be clickable so a moderator teleports straight to the player. Want the same alert in Discord? Say the plugin should push events to a webhook you set in the config.

• /report with a queue your staff can read through in game
• Private staff chat, vanish mode, inventory inspection
• In game alert when a threshold is crossed, with one click teleport
• Events pushed to a Discord webhook if you ask for it
• Login summary for moderators: active punishments, open reports

How to describe it so the result is actually usable

Minax writes real Java, generates plugin.yml and pom.xml, builds with Maven and runs a self-correction loop when compilation fails. You get a .jar, and you can boot it on an online Paper server to check in game that the commands behave the way you think they do, before touching production.

The quality of the output depends almost entirely on how precise your description is. On a moderation topic one detail changes everything: the gap between "detect farming" and "warn in staff chat when a player breaks more than 400 stone blocks in a minute outside their own claim" is the gap between a plugin you delete and a plugin you keep.

• Attach a number to every rule, you are the one who knows your server
• Name your commands: /warn, /mute, /history, /report
• Say what happens when the line is crossed: log, alert, punish, or all three
• State which ranks are allowed, and which permissions plugin you use
• Give your Minecraft version and platform: Paper, Spigot, Bukkit or Folia
• Do not ask for a full movement anticheat, ask for your own rules

Frequently asked questions