ModsFinder

Ultimate Mob Farms

by OffsetMonkey538

Ultimate Mob Farms adds soul-based mob farming to Fabric and NeoForge, with gems, compact spawners and farm blocks for players who want automated mob drops.

FabricNeoForgeClient and serverMIT LicenseOpen source26.1 – 26.2

What it does

Soul gems are emptied by killing a mob with the gem in hand, which traps that mob's soul inside. After enough souls are trapped inside it, a soul gem becomes full, and a player can then apply it like a spawn egg to set which mob the gem produces. Compact mob farms hold a spawner's output in an internal inventory that cannot be opened directly, so items are extracted with a hopper or another method. Drops are limited to a stack of 64 per item type, and anything beyond that is voided once the inventory fills up. Experience conversion can be adjusted in the config, along with which mobs trapped souls can produce and which tier a farm needs to contain them.

The mod requires Fabric API on Fabric, Loot Table Modifier and MonkeyLib538 on both loaders. Item Descriptions shows extra text on items when Shift is held over them, Reliable Recipe Viewer lists the added recipes, and Mod Menu serves as an optional companion. Colors for the items are changed through datapacks, and a few drops are available only from the compact farm. Every player and the server need a copy of the mod. It is open source under the MIT License and is published for 26.1 – 26.2.

Key features

  1. Craftable spawners

    Spawners can be crafted and upgraded, turning a single block into a compact mob farm.

  2. Soul gems

    An empty gem fills with the soul of a mob that is killed while the gem is held, and can then change a spawn egg's target.

  3. Tiered containment

    Different mobs need different farm tiers, so higher upgrades hold more mobs in a compact farm.

  4. Configurable experience

    Experience conversion, trapped mob settings and farm tiers can be changed in the config.

Compatibility

Latest build for each game version and loader.

No stable releases
Every published file is a beta or alpha build.
26.20.0.9+fabric+26.20.0.9+neoforge+26.2
26.1.20.0.9+fabric+26.10.0.9+neoforge+26.1
26.1.10.0.9+fabric+26.10.0.9+neoforge+26.1
26.10.0.9+fabric+26.10.0.9+neoforge+26.1
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 3

MonkeyLib538A library mod for OffsetMonkey538's mods
Required
Loot Table ModifierAllows datapacks and mods to modify loot tables instead of replacing them. Loot modification is applied at data loading, so there's no performance impact during gameplay.
Required
Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Optional 3

Item DescriptionsThis mod adds unique descriptions for all blocks, items, enchantments, effects, and mobs - built in a way that makes it easy to add modded content.
Optional
Reliable Recipe Viewer (RRV)A recipe viewer for the latest versions of Minecraft, rebuilt from EIV and designed to be configured.
Optional
Mod MenuAdds a mod menu to view the list of mods you have installed.
Optional

How it compares

Full comparison

ExpandedSpawner is NeoForge only, for 26.1.2, under All rights reserved and not open source. Upgradeable Spawners is server required with client optional, open source under the MIT License, and published for 1.21.6 – 26.3 on Fabric, Forge, NeoForge and Quilt.

ModLoadersGame versionsEnvironmentUpdated
Ultimate Mob FarmsFabric and NeoForge26.1 – 26.2Client and server2026-09-14
ExpandedSpawnerNeoForge26.1.2Client and server2026-08-08
Upgradeable SpawnersFabric, Forge, NeoForge and Quilt1.21.6 – 26.3Server required, client optional2026-09-28

Questions

Does Ultimate Mob Farms need Fabric API on NeoForge?

No. Fabric API is required only on Fabric. Loot Table Modifier and MonkeyLib538 are required on both loaders.

Does the server need the mod?

Yes. Servers that run it need every player to install it too.

Where do compact farm drops go?

Items are kept in an internal inventory limited to 64 per stack, and a hopper or another method is needed to take them out.

In the catalog

Ultimate Mob Farms is one of 7,216 Magic mods on ModsFinder, and one of 3,630 Magic mods for Fabric. 13,894 mods support Minecraft 26.2.

More from OffsetMonkey538

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What the author says

Ultimate Mob Farms adds all the things you may need for mob farming. This mod has integration with Reliable Recipe Viewer, and I recommend using it to see the added recipes. All items also have descriptions visible by holding shift while hovering over the item when using the Item Descriptions mod.
OffsetMonkey538, on the Modrinth page

Official listing

Owner
OffsetMonkey538
Published
2025-06-01
Updated on Modrinth
2026-09-14
Facts verified
2026-10-15

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