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AvA Anti-CheatMinecraft plugin for 1.21.11

A lightweight Anti-Cheat made for java servers that detects flying/movement hacks, chat spaming, combat logging and a few types of hacking

server onlynewest supported release 1.21.11UtilityGame MechanicsManagement
Latest version
1.9.5
Minecraft
1.21 to 1.21.11
Java
Java 21+
Platforms
Spigot, Bukkit, Purpur, Paper
Licence
Apache-2.0
Downloads
6.0k
Updated
4 d ago
Available on
Modrinth
Space NodeOur hosting

Host AvA Anti-Cheat servers

One click and AvA Anti-Cheat is installed on a Paper or Purpur server built for it.

  • 1.21.11
  • Spigot
  • Bukkit
  • Purpur
  • Paper
  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version AvA Anti-Cheat declares support for, newest first, with the Java runtime that version needs.

Other plugins
MinecraftThroughJavaEvidenceReleased
1.21.11Spigot, Bukkit, Purpur, Paper21+declared9 Dec 2025
1.21.10Purpur, Paper, Spigot, Bukkit21+declared7 Oct 2025
1.21.9Paper, Bukkit, Spigot, Purpur21+declared30 Sept 2025
1.21.8Spigot, Bukkit, Paper, Purpur21+declared17 Jul 2025
1.21.7Bukkit, Spigot, Purpur, Paper21+declared30 Jun 2025
1.21.6Paper, Spigot, Purpur, Bukkit21+declared17 Jun 2025
1.21.5Paper, Spigot, Purpur, Bukkit21+declared25 Mar 2025
1.21.4Bukkit, Paper, Purpur, Spigot21+declared3 Dec 2024
1.21.3Bukkit, Spigot, Purpur, Paper21+declared23 Oct 2024
1.21.2Paper, Spigot, Purpur, Bukkit21+declared22 Oct 2024
1.21.1Paper, Spigot, Purpur, Bukkit21+declared8 Aug 2024
1.21Paper, Spigot, Purpur, Bukkit21+declared13 Jun 2024

Download

From AvA Anti-Cheat’s own host. Nothing is re-hosted here.

For Minecraft 1.21.11

Choose the loader you use before downloading.

  • Paper, Purpur, Spigot, Bukkit

    1.9.5 · 3 Nov 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

  • Paper, Spigot, Bukkit

    DEV-1.9.5-PACKET · 2 Nov 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

Most recently published release

1.9.5release3 Nov 2026

AvAAntiCheat.jar · 0.1 MB · for 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7 +7 more · Paper, Purpur, Spigot, Bukkit

Choose file on publisher ↗
3472424d66fd…
Older versions13

Frequently asked

Does AvA Anti-Cheat work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version AvA Anti-Cheat declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does AvA Anti-Cheat support?

Everything the author has declared, from 1.21 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install AvA Anti-Cheat on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does AvA Anti-Cheat support?

Spigot, Bukkit, Purpur, Paper. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for AvA Anti-Cheat?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is AvA Anti-Cheat under?

Apache-2.0, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install AvA Anti-Cheat?

Choose the release variant for your server platform. Paper, Spigot, Purpur and Bukkit files go in the server's plugins folder; Fabric, Forge, NeoForge and Quilt files go in the mods folder. Restart after installing and check that the Minecraft version matches your server.

Where do I download AvA Anti-Cheat safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 3 Nov 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .