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Simple Mob Buff SystemMinecraft mod for 26.3

Makes mobs rarely spawn with buffs and drop rewards based on how strong they are

client and servernewest supported 26.3MobsGame Mechanics
Latest version
1.1.1+26.1-fabric
Minecraft
1.21 to 26.3
Java
Java 25+
Loaders
NeoForge, Fabric
Licence
MIT
Downloads
16.4k
Updated
8 d ago
Available on
Modrinth
Space NodeOur hosting

Host Simple Mob Buff System servers

One click and Simple Mob Buff System is installed with the right loader, on hardware built for it.

  • 26.3
  • NeoForge
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Simple Mob Buff System declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.3NeoForge, Fabric25+declared15 Sept 2026
26.2NeoForge, Fabric25+declared16 Jun 2026
26.1.2Fabric, NeoForge25+declared9 Apr 2026
26.1.1NeoForge, Fabric25+declared1 Apr 2026
26.1Fabric, NeoForge25+declared24 Mar 2026
1.21.11NeoForge, Fabric21+declared9 Dec 2025
1.21.10Fabric, NeoForge21+declared7 Oct 2025
1.21.8NeoForge, Fabric21+declared17 Jul 2025
1.21.1NeoForge, Fabric21+declared8 Aug 2024
1.21NeoForge, Fabric21+declared13 Jun 2024

Download

From Simple Mob Buff System’s own host. Nothing is re-hosted here.

All 27 releases
1.1.1+26.1-fabricrelease1 Apr 2026

smbs-1.1.1+26.1-fabric.jar · 0.1 MB · for 26.2, 26.1.2, 26.1.1, 26.1

Download latest
219565efab35…
Older versions24
  • 1.1.1+26.1-neoforge1 Apr 202626.1.2, 26.1.1, 26.10.1 MB113 downloads32c02912bf78…Get
  • 1.1.0+26.1-neoforge25 Mar 202626.10.1 MB35 downloads2db577c9297c…Get
  • 1.1.0+26.1-fabric25 Mar 202626.10.1 MB109 downloads8d6e9d904b67…Get
  • 1.0.7+1.21.1-fabric18 Dec 20251.21.10.1 MB456 downloads546e9338f639…Get
  • 1.0.7+1.21.11-fabric18 Dec 20251.21.110.1 MB3.0k downloads15a077e750dd…Get
  • 1.0.7+1.21.1-neoforge18 Dec 20251.21.10.1 MB906 downloadsb5327740cd7e…Get
  • 1.0.7+1.21.10-fabric18 Dec 20251.21.100.1 MB1.1k downloadse419a1807f3f…Get
  • 1.0.7+1.21.11-neoforge18 Dec 20251.21.110.1 MB131 downloads79f51ecf7c19…Get
  • 1.0.7+1.21.10-neoforge18 Dec 20251.21.100.1 MB53 downloadsd37d68acb4ba…Get
  • 1.0.6+1.21.1-neoforge24 Nov 20251.21.10.1 MB67 downloads44c81cb3f762…Get
  • 1.0.6+1.21.10-neoforge24 Nov 20251.21.100.1 MB61 downloadsa51c317fd278…Get
  • 1.0.6+1.21.1-fabric24 Nov 20251.21.10.1 MB112 downloadscc467a3490ad…Get
  • 1.0.6+1.21.10-fabric24 Nov 20251.21.100.1 MB733 downloadsfd3c274e1bb2…Get
  • 1.0.5+1.21.1020 Nov 20251.21.100.1 MB63 downloadsae3fe67f9409…Get
  • 1.0.5+1.21.120 Nov 20251.21.10.1 MB53 downloads4d9f9877d223…Get
  • 1.0.4+1.21.1014 Oct 20251.21.100.1 MB1.1k downloads302dc36ce35d…Get
  • 1.0.4+1.21.114 Oct 20251.21.10.1 MB151 downloadscdb2908ef29f…Get
  • 1.0.3+1.21.109 Oct 20251.21.100.1 MB51 downloads0cea439c02f1…Get
  • 1.0.3+1.21.812 Sept 20251.21.80.1 MB287 downloads945e62db47bf…Get
  • 1.0.3+1.21.112 Sept 20251.21.10.1 MB162 downloadsab885980989c…Get
  • 1.0.2+1.21.83 Sept 20251.21.80.1 MB79 downloads404f62cc72b2…Get
  • 1.0.2+1.21.13 Sept 20251.21.10.1 MB101 downloads6c665f94ec4d…Get
  • 1.0.1+1.21.81 Sept 20251.21.80.1 MB35 downloadsd9e849d55fe4…Get
  • 1.0.1+1.21.11 Sept 20251.21.10.1 MB34 downloads79068cfc1a2b…Get

Frequently asked

Does Simple Mob Buff System work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version Simple Mob Buff System 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 Simple Mob Buff System support?

Everything the author has declared, from 1.21 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Simple Mob Buff System on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Simple Mob Buff System support?

NeoForge, Fabric. 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 Simple Mob Buff System?

On the newest Minecraft version it supports, Java 25 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Simple Mob Buff System under?

MIT, 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 Simple Mob Buff System?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Simple Mob Buff System 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. The download link goes to the source recorded for that release; verify the publisher, filename and 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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Last checked 8 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? .