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Universal Mod CoreMinecraft mod for 1.21.1

Core Library for version agnostic Minecraft Mods

newest supported release 1.21.1Library Api
Latest version
UniversalModCore-1.21.4-neoforge-1.3.1
Minecraft
1.7.10 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Forge
Licence
not stated
Downloads
2.7M
Updated
2 mo ago
Available on
CurseForge

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023
1.19.4Forge, NeoForge17+declared14 Mar 2023
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.17.1NeoForge, Forge16+declared6 Jul 2021
1.16.5Forge, NeoForge8+declared14 Jan 2021
1.16.4NeoForge, Forge8+declared29 Oct 2020
1.15.2NeoForge, Forge8+declared17 Jan 2020
1.14.4NeoForge, Forge8+declared19 Jul 2019
1.12.2Forge, NeoForge8+declared18 Sept 2017
1.11.2NeoForge, Forge8+declared21 Dec 2016
1.10.2NeoForge, Forge8+declared23 Jun 2016
1.7.10NeoForge, Forge8+declared14 May 2014

Download

From Universal Mod Core’s own host. Nothing is re-hosted here.

Browse 53 indexed releases

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • NeoForge

    UniversalModCore-1.21.1-neoforge-1.3.1 · 6 Sept 2026 · UniversalModCore-1.21.1-neoforge-1.3.1.jar

    Get NeoForge

Most recently published release

UniversalModCore-1.21.4-neoforge-1.3.1beta6 Sept 2026

UniversalModCore-1.21.4-neoforge-1.3.1.jar · 0.9 MB · for 1.21.4 · NeoForge

Download this release
483372f60031…
Older versions24
  • UniversalModCore-1.21.1-neoforge-1.3.16 Sept 20261.21.10.9 MB2d467f46c074…Get
  • UniversalModCore-1.20.1-forge-1.3.16 Sept 20261.20.12.6 MB049214d12b22…Get
  • UniversalModCore-1.19.4-forge-1.3.16 Sept 20261.19.42.6 MBd59625b08b08…Get
  • UniversalModCore-1.18.2-forge-1.3.16 Sept 20261.18.22.6 MB07e81f3aab1f…Get
  • UniversalModCore-1.17.1-forge-1.3.16 Sept 20261.17.12.5 MB17190ee80415…Get
  • UniversalModCore-1.16.5-forge-1.3.16 Sept 20261.16.52.5 MB3c2851616416…Get
  • UniversalModCore-1.15.2-forge-1.3.16 Sept 20261.15.22.4 MBe2528650ff8c…Get
  • UniversalModCore-1.14.4-forge-1.3.16 Sept 20261.14.42.4 MB649d083550a0…Get
  • UniversalModCore-1.12.2-forge-1.3.16 Sept 20261.12.21.6 MB67030f5352e8…Get
  • UniversalModCore-1.11.2-forge-1.3.16 Sept 20261.11.21.6 MBf2686bcdd3fd…Get
  • UniversalModCore-1.10.2-forge-1.3.16 Sept 20261.10.21.6 MB31df66c11032…Get
  • UniversalModCore-1.7.10-forge-1.3.16 Sept 20261.7.101.6 MBac711d0cf253…Get
  • UniversalModCore-1.21.1-neoforge-1.3.0-hotfix525 Jul 20261.21.10.8 MB189 downloads6bab472d1191…Get
  • UniversalModCore-1.7.10-forge-1.3.0-hotfix49 Jul 20261.7.101.5 MB770 downloadsb6d8a7c3c213…Get
  • UniversalModCore-1.7.10-forge-1.3.0-hotfix33 Jul 20261.7.101.5 MB54 downloads5d7c3dc5ace4…Get
  • UniversalModCore-1.15.2-forge-1.3.0-hotfix230 Jun 20261.15.22.3 MB48 downloads6243cbf77604…Get
  • UniversalModCore-1.14.4-forge-1.3.0-hotfix230 Jun 20261.14.42.3 MB31a910af4347…Get
  • UniversalModCore-1.12.2-forge-1.3.0-hotfix230 Jun 20261.12.21.5 MBdf757df225d6…Get
  • UniversalModCore-1.11.2-forge-1.3.0-hotfix230 Jun 20261.11.21.5 MBde897a03e511…Get
  • UniversalModCore-1.10.2-forge-1.3.0-hotfix230 Jun 20261.10.21.5 MBae4a541e97c6…Get
  • UniversalModCore-1.7.10-forge-1.3.0-hotfix230 Jun 20261.7.101.5 MBacb65f3a9dc5…Get
  • UniversalModCore-1.21.1-neoforge-1.3.0-hotfix129 Jun 20261.21.10.8 MB5 downloads887126da1c4c…Get
  • UniversalModCore-1.21.1-neoforge-1.3.027 Jun 20261.21.10.8 MB310 downloads8ef80dbb63e8…Get
  • UniversalModCore-1.20.1-forge-1.3.027 Jun 20261.20.12.5 MBfa53d2c96cf4…Get

Frequently asked

Does Universal Mod Core work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Universal Mod Core 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 Universal Mod Core support?

Everything the author has declared, from 1.7.10 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Universal Mod Core support?

NeoForge, Forge. 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 Universal Mod Core?

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.

How do I install Universal Mod Core?

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 Universal Mod Core safely?

Start with the author's page on CurseForge, 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.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from CurseForge, where the author last updated it on 6 Sept 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? .