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    2,054,849 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,417 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Universal Mod Core

    Mod

    A minecraft/loader agnostic modding API

    A90/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.4
    • ModpacksIn 1,725
    • ReleasesLatest 6 Sep

    Download

    UniversalModCore-1.21.4-neoforge-1.3.1.jar Beta

    Released 6 Sep 2026 · 876.4 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Releases in only 4 of the last 24 months−3 points
    • Releases replaced within 3 days to fix a problem−3 points
    • Some modpacks removed it−1 point
    All 11 criteria

    • Maintenance

      3 points lost24 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7 weeks ago (6 Sep 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.21.4 on NeoForge, 1.20.1 on Forge. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 4 of the last 24 months 3 / 6

    • Stability

      4 points lost18 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.51 of the 357 modpacks with two or more versions removed it in a later one (14%) See the 51 modpacks9 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 9 releases in 2 years needed a quick fix (22%) See the 2 releases4 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · TeamOpenIndustry/UniversalModCore 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · TeamOpenIndustry/UniversalModCore 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.3,066,467 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5.9 years, 103 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 3 latest files for recent Minecraft versions. See Security
    Total90 / 100

    63.6 of the 71 points that apply = 90 out of 100. The points above are rounded to whole numbers.

    About

    Universal Mod Core is a library for mod developers that provides a stable, version-agnostic API to help maintain one codebase across Minecraft versions. It supplies the version- and loader-specific logic behind that API, presenting it to dependent mods in a simplified form.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 10 areas, as a library other mods build on: Inventory and itemsChanges 2 game code files in this area: items, chests and other containers, crafting and enchanting., Server and world logicChanges 2 game code files in this area: the world, commands, scoreboards, saved data and game rules., Chunk loading and storageChanges 1 game code file in this area: how the game loads, tracks, saves and unloads chunks., World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather., Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen., User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay., Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server., Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act., Game data and resourcesChanges 1 game code file in this area: recipes, tags, advancements, language files and other game data. and Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses..

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 29
    Immersive EngineeringCImmersive PetroleumAChiselCThermal FoundationCThermal ExpansionC

    Details

    Creators
    cam72cam and Goldenfield192
    License
    GNU Lesser General Public License v2.1 only
    Downloads
    3.1M
    Created
    1 Apr 2020
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Uses folders outside the game
    It can read or write files outside your Minecraft folder, on the rest of your computer. Found: the temporary files folder.
    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for Forge 1.20.1. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. Only in its files for Forge 1.20.1.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 14 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      14 latest files: the newest file for each Minecraft version and loader. The answer above is about the 3 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Uses folders outside the game
      Uses the temporary files folder.
    • Looked for, not foundWe looked for these in the file and did not find them.
      Other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 3 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 3 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images and code history and found none.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 6 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      40 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      418 code files read

    Compatibility

    See all 103 files
    NeoForge
    Forge
    1.71.101.151.1926.1

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Its newest file is for 1.21.4. It has no file for the 6 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Related projects

    Projects that need Universal Mod Core to work.

    ProjectTypeDownloadsGrade
    Immersive RailroadingBMod4.7M downloadsVoxel Trains IRAResource pack403K downloads[IR] DE_Ket's Global Train Pack For Immersive RailroadingAResource pack27K downloads[IR] Taiwan Train Pack For Immersive RailroadingBResource pack21K downloadsSirenRailz Immersive RailroadingAResource pack6.1K downloads[IR] Taiwan Train Pack For Immersive RailroadingCResource pack1.4K downloadsKorea Voxel Train PackEResource pack1.4K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    30150
    Oct 2024: 29 modpacksNov 2024: 17 modpacksDec 2024: 26 modpacksJan 2025: 21 modpacksFeb 2025: 16 modpacksMar 2025: 19 modpacksApr 2025: 26 modpacksMay 2025: 18 modpacksJun 2025: 19 modpacksJul 2025: 18 modpacksAug 2025: 17 modpacksSep 2025: 18 modpacksOct 2025: 20 modpacksNov 2025: 20 modpacksDec 2025: 15 modpacksJan 2026: 13 modpacksFeb 2026: 19 modpacksMar 2026: 14 modpacksApr 2026: 13 modpacksMay 2026: 9 modpacksJun 2026: 13 modpacksJul 2026: 25 modpacksAug 2026: 25 modpacksSep 2026: 26 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202429
    Nov 202417
    Dec 202426
    Jan 202521
    Feb 202516
    Mar 202519
    Apr 202526
    May 202518
    Jun 202519
    Jul 202518
    Aug 202517
    Sep 202518
    Oct 202520
    Nov 202520
    Dec 202515
    Jan 202613
    Feb 202619
    Mar 202614
    Apr 202613
    May 20269
    Jun 202613
    Jul 202625
    Aug 202625
    Sep 202626

    1,725 modpacks include Universal Mod Core in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    HBM Hamster Reloaded Official Server Pack864K downloadslast version with it 20 May 2024TownCraft441K downloadslast version with it 26 Aug 2022Ages Of War (Nukes,Bombs and Guns!!)350K downloadslast version with it 26 Nov 2024Zombies, Cars and Tech !254K downloadslast version with it 17 Apr 2023Invicta 1 - Adventure, Magic, Tech and Civilization209K downloadslast version with it 15 May 2021Avaritia Adventures Remake178K downloadslast version with it 7 Mar 2021Minecraft Time176K downloadslast version with it 3 Aug 2023Supersymmetry133K downloadslast version with it 19 Oct 2026Crazy Craft 5.0 (Chaos Edition)119K downloadslast version with it 26 Sep 2024Epoch Runner 99K downloadslast version with it 20 Jan 2024
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Universal Mod Core. Share: how many of the modpacks with Universal Mod Core also have that mod.

    ProjectTypeShareGrade
    Immersive EngineeringCModin 87% of the modpacks with Universal Mod CoreImmersive PetroleumAModin 63% of the modpacks with Universal Mod CoreChiselCModin 59% of the modpacks with Universal Mod CoreThermal FoundationCModin 55% of the modpacks with Universal Mod CoreThermal ExpansionCModin 53% of the modpacks with Universal Mod CoreMekanism GeneratorsBModin 53% of the modpacks with Universal Mod CoreCooking for BlockheadsAModin 46% of the modpacks with Universal Mod CoreMekanism ToolsBModin 45% of the modpacks with Universal Mod CoreChisels & Bits - For ForgeBModin 43% of the modpacks with Universal Mod CoreThermal InnovationCModin 42% of the modpacks with Universal Mod Core
    1 to 10 of 29123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.21.4·NeoForge1.3.11.3.1 · UniversalModCore-1.21.4-neoforge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge1.3.11.3.1 · UniversalModCore-1.21.1-neoforge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.3.11.3.1 · UniversalModCore-1.20.1-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.4·Forge1.3.11.3.1 · UniversalModCore-1.19.4-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.3.11.3.1 · UniversalModCore-1.18.2-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.17.1·Forge1.3.11.3.1 · UniversalModCore-1.17.1-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.5·Forge1.3.11.3.1 · UniversalModCore-1.16.5-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.4·Forge1.0.11.0.1 · UniversalModCore-1.16.4-forge-1.0.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.15.2·Forge1.3.11.3.1 · UniversalModCore-1.15.2-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.14.4·Forge1.3.11.3.1 · UniversalModCore-1.14.4-forge-1.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1412

    103 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.4The latest file for its Minecraft version and loader·NeoForge1.3.11.3.1 · UniversalModCore-1.21.4-neoforge-1.3.1.jar (main file)Beta·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 876.4 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.3.11.3.1 · UniversalModCore-1.21.1-neoforge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 885.1 KB
    1.20.1The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.20.1-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.19.4The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.19.4-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.18.2The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.18.2-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.17.1The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.17.1-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.16.5The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.16.5-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.15.2The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.15.2-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.4 MB
    1.14.4The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.14.4-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.4 MB
    1.12.2The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.12.2-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.6 MB
    1.11.2The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.11.2-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.6 MB
    1.10.2The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.10.2-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.6 MB
    1.7.10The latest file for its Minecraft version and loader·Forge1.3.11.3.1 · UniversalModCore-1.7.10-forge-1.3.1.jar (main file)·6 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.6 MB
    1.21.1·NeoForge1.3.0-hotfix51.3.0-hotfix5 · UniversalModCore-1.21.1-neoforge-1.3.0-hotfix5.jar (main file)·25 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 777.6 KB
    1.7.10·Forge1.3.0-hotfix41.3.0-hotfix4 · UniversalModCore-1.7.10-forge-1.3.0-hotfix4.jar (main file)·9 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.5 MB
    1.7.10·Forge1.3.0-hotfix31.3.0-hotfix3 · UniversalModCore-1.7.10-forge-1.3.0-hotfix3.jar (main file)·3 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.5 MB
    1.15.2·Forge1.3.0-hotfix21.3.0-hotfix2 · UniversalModCore-1.15.2-forge-1.3.0-hotfix2.jar (main file)·30 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1.14.4·Forge1.3.0-hotfix21.3.0-hotfix2 · UniversalModCore-1.14.4-forge-1.3.0-hotfix2.jar (main file)·30 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1.12.2·Forge1.3.0-hotfix21.3.0-hotfix2 · UniversalModCore-1.12.2-forge-1.3.0-hotfix2.jar (main file)·30 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.5 MB
    1.11.2·Forge1.3.0-hotfix21.3.0-hotfix2 · UniversalModCore-1.11.2-forge-1.3.0-hotfix2.jar (main file)·30 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.5 MB
    1 to 20 of 103123456

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 3 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.2

    • UniversalModCore-1.7.10-forge-1.3.0-hotfix230 Jun 20261.7~1.15 fix: entity loading causes crash on server-side…
    • UniversalModCore-1.21.1-neoforge-1.3.0-hotfix129 Jun 20261.21.1 fix: overlay GUI text not rendering 1.21.1 fix…