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Mod Detector PluginMinecraft plugin for 1.21.11

Monitors plugin message channels to detect client mods and optionally kick players using blocked mods.

server onlynewest supported 1.21.11Management
Latest version
1.2.3-velocity
Minecraft
1.8 to 1.21.11
Java
Java 21+
Loaders
Velocity, Paper
Licence
GPL-3.0-or-later
Downloads
1.1k
Updated
6 mo ago
Available on
Modrinth
Space NodePartner

Host Mod Detector Plugin servers

One click and Mod Detector Plugin is installed with the right loader, on hardware built for it.

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

Minecraft versions

Every version Mod Detector Plugin declares support for, newest first, with the Java runtime that version needs.

Other plugins
MinecraftThroughJavaEvidenceReleased
1.21.11Velocity, Paper21+declared9 Dec 2025
1.21.10Velocity, Paper21+declared7 Oct 2025
1.21.9Paper, Velocity21+declared30 Sept 2025
1.21.8Velocity, Paper21+declared17 Jul 2025
1.21.7Velocity, Paper21+declared30 Jun 2025
1.21.6Velocity, Paper21+declared17 Jun 2025
1.21.5Velocity, Paper21+declared25 Mar 2025
1.21.4Velocity, Paper21+declared3 Dec 2024
1.21.3Velocity, Paper21+declared23 Oct 2024
1.21.2Velocity, Paper21+declared22 Oct 2024
1.21.1Velocity, Paper21+declared8 Aug 2024
1.21Velocity, Paper21+declared13 Jun 2024
1.20.6Velocity, Paper21+declared29 Apr 2024
1.20.5Velocity, Paper21+declared23 Apr 2024
1.20.4Velocity, Paper17+declared7 Dec 2023
1.20.3Velocity, Paper17+declared4 Dec 2023
1.20.2Paper, Velocity17+declared20 Sept 2023
1.20.1Velocity, Paper17+declared12 Jun 2023
1.20Velocity, Paper17+declared2 Jun 2023
1.19.4Paper, Velocity17+declared14 Mar 2023
1.19.3Velocity, Paper17+declared7 Dec 2022
1.19.2Velocity, Paper17+declared5 Aug 2022
1.19.1Velocity, Paper17+declared27 Jul 2022
1.19Velocity, Paper17+declared7 Jun 2022
1.18.2Velocity, Paper17+declared28 Feb 2022
1.18.1Velocity, Paper17+declared10 Dec 2021
1.18Velocity, Paper17+declared30 Nov 2021
1.17.1Velocity, Paper16+declared6 Jul 2021
1.17Velocity, Paper16+declared8 Jun 2021
1.16.5Velocity, Paper8+declared14 Jan 2021
1.16.4Velocity, Paper8+declared29 Oct 2020
1.16.3Velocity, Paper8+declared10 Sept 2020
1.16.2Velocity, Paper8+declared11 Aug 2020
1.16.1Velocity, Paper8+declared24 Jun 2020
1.16Paper, Velocity8+declared23 Jun 2020
1.15.2Velocity, Paper8+declared17 Jan 2020
1.15.1Velocity, Paper8+declared16 Dec 2019
1.15Paper, Velocity8+declared9 Dec 2019
1.14.4Velocity, Paper8+declared19 Jul 2019
1.14.3Velocity, Paper8+declared24 Jun 2019

30 older versions not shown.

Download

From Mod Detector Plugin’s own host. Nothing is re-hosted here.

1.2.3-velocityrelease18 Jan 2026

moddetectorplugin-1.2.3-velocity.jar · 0.0 MB · for 1.8, 1.8.1, 1.8.2, 1.8.3

Download latest
4450edeb9689…
Older versions10
  • 1.2.318 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB802 downloads1c245af39459…Get
  • 1.2.1-velocity16 Jan 20261.8, 1.8.1, 1.8.2, 1.8.3, 1.8.40.0 MB12 downloadsb87a56dd7be4…Get
  • 1.2.116 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB33 downloads22511d654946…Get
  • 1.2.0-velocity16 Jan 20261.8, 1.8.1, 1.8.2, 1.8.3, 1.8.40.0 MB15 downloads078705bdc4c9…Get
  • 1.2.016 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB17 downloads3a95a9e6a356…Get
  • 1.1.1-velocity12 Jan 20261.8, 1.8.1, 1.8.2, 1.8.3, 1.8.40.0 MB19 downloads9522d229e6e9…Get
  • 1.1.112 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB20 downloadsc1780d3471e3…Get
  • 1.1.0-velocity3 Jan 20261.8, 1.8.1, 1.8.2, 1.8.3, 1.8.40.0 MB15 downloads0128fe3acbc0…Get
  • 1.1.03 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB30 downloadsd52439f42a39…Get
  • 1.0.03 Jan 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB27 downloadsd1e8508c420b…Get

Frequently asked

Does Mod Detector Plugin work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version Mod Detector Plugin 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 Mod Detector Plugin support?

Everything the author has declared, from 1.8 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 Mod Detector Plugin on the client or the server?

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

Which server software does Mod Detector Plugin need?

Velocity, Paper. A build for one server platform will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Mod Detector Plugin?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the plugin itself.

What licence is Mod Detector Plugin under?

GPL-3.0-or-later, 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 Mod Detector Plugin?

Download the file from the author's own release, drop it into your server's plugins folder, and restart the server. It generates its configuration on first start. Check the Minecraft version matches the one your server runs.

Where do I download Mod Detector Plugin safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

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

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Last checked 6 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .