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    2,055,424 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 2026.269,392 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.

    ZeroCore

    Mod

    A mod intended for other mod authors, it contains a revised multiblock API that support multiple client mods without performance penalities, a new new GUI system, a base BlockEntity implementation that simplifiy data syncronization and much more.

    B87/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 164
    • ReleasesLatest 17 Oct

    Download

    zero-lib-26.3-fabric-1.0.6.jar

    Released 17 Oct 2026 · 27.4 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 26.3 · Fabric (release 0.165.0)
    • Architectury APIAMinecraft 26.3 · Fabric (release 22.0.5)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

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

    Points lost

    • Releases in only 3 of the last 24 months−4 points
    • Releases replaced within 3 days to fix a problem−4 points
    • Some modpacks removed it−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      4 points lost23 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7 days ago (17 Oct 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.26.3 (latest) on NeoForge and Fabric, 1.20.1 on Forge 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 3 of the last 24 months 2 / 6

    • Stability

      5 points lost17 / 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.16 of the 130 modpacks with two or more versions removed it in a later one (12%) See the 16 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 7 releases in 2 years needed a quick fix (29%) See the 2 releases3 / 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 · ZeroNoRyouki/ZeroCore2 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · ZeroNoRyouki/ZeroCore2 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.429,488 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.9 years, 46 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 6 latest files for recent Minecraft versions. See Security
    Total87 / 100

    61.5 of the 71 points that apply = 87 out of 100. The points above are rounded to whole numbers.

    About

    ZeroCore is a library of game and Forge utilities intended for other mod authors, rather than a standalone gameplay mod. It provides a revised multiblock API designed to support multiple client mods without performance penalties, along with a GUI system and a base TileEntity implementation for simplifying server-to-client data synchronization, updates, and GUI handling. Other utilities include network-message handlers that run on the correct thread, helpers and blockstate properties for connected textures, an in-game-editable configuration handler, and ore generation and regeneration support.

    Written from Modrinth . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 1 item: Debug Tool.

    Counted from the names and data files in the mod, so the list may not be complete.

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

    Often used with it

    See all 29
    FerriteCoreAMekanism GeneratorsBMekanism ToolsBIndustrial ForegoingACC: TweakedA

    Details

    Creator
    ZeroNoRyouki
    License
    All rights reserved
    Downloads
    429K
    Created
    18 Nov 2022
    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.

    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 16 latest files checked, last on 17 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.
      16 latest files: the newest file for each Minecraft version and loader. The answer above is about the 6 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.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, 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 6 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 6 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, code history and pull requests 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 · 7 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
      365 commits read
    • Pull requestsThe recent pull requests, comments, topics and README of the GitHub repository.
      Nothing found
      3 pull requests read
    • 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
      8 of 36 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
      1 image read
    • 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
      13 code files read

    Compatibility

    See all 46 files
    Fabric
    NeoForge
    Forge
    1.91.141.171.2126.1

    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.
    Fabric APIon FabricAArchitectury APIin some filesA
    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.Slower than most mods. On average, it gets a file 192 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need ZeroCore to work.

    ProjectTypeDownloadsGrade
    Extreme ReactorsBMod100.1M downloadsKontraptionBMod67K downloadsGravestone ZTCMod39K downloadsNuclearcraft NeohaulCMod9.7K downloadsTanks | Drivable Battle TankDMod2.5K downloadsZero AccessoriesCMod1.9K downloadsGrappling Hook | Movement & ExplorationCMod1.8K downloadsPet StatusDMod575 downloadsDurability HUD | Tools & ArmorDMod530 downloadsCompact VillagersDMod326 downloads
    1 to 10 of 1312

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 4 modpacksNov 2024: 8 modpacksDec 2024: 7 modpacksJan 2025: 10 modpacksFeb 2025: 6 modpacksMar 2025: 9 modpacksApr 2025: 11 modpacksMay 2025: 9 modpacksJun 2025: 8 modpacksJul 2025: 7 modpacksAug 2025: 6 modpacksSep 2025: 3 modpacksOct 2025: 15 modpacksNov 2025: 13 modpacksDec 2025: 9 modpacksJan 2026: 6 modpacksFeb 2026: 6 modpacksMar 2026: 4 modpacksApr 2026: 7 modpacksMay 2026: 6 modpacksJun 2026: 5 modpacksJul 2026: 7 modpacksAug 2026: 8 modpacksSep 2026: 10 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20244
    Nov 20248
    Dec 20247
    Jan 202510
    Feb 20256
    Mar 20259
    Apr 202511
    May 20259
    Jun 20258
    Jul 20257
    Aug 20256
    Sep 20253
    Oct 202515
    Nov 202513
    Dec 20259
    Jan 20266
    Feb 20266
    Mar 20264
    Apr 20267
    May 20266
    Jun 20265
    Jul 20267
    Aug 20268
    Sep 202610

    164 modpacks include ZeroCore in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Dysfunctional's Tech, Bombs, Guns, and War568K downloadslast version with it 1 Apr 2025SuperHeroes375K downloadslast version with it 3 Mar 2024The Minehattan Project140K downloadslast version with it 26 Jul 2024Technical Electrical124K downloadslast version with it 28 Nov 2024Space Craft (Galacticraft)46K downloadslast version with it 11 Oct 2026Total Valkyrien39K downloadslast version with it 10 Jul 2026Shadow Dragoons24K downloadslast version with it 31 Dec 2025Technical Electrical Cosmic Chaos24K downloadslast version with it 21 Jul 2024VampireReborn20K downloadslast version with it 25 Jun 2025Galactica17K downloadslast version with it 13 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    FerriteCoreAModin 77% of the modpacks with ZeroCoreMekanism GeneratorsBModin 66% of the modpacks with ZeroCoreMekanism ToolsBModin 59% of the modpacks with ZeroCoreIndustrial ForegoingAModin 46% of the modpacks with ZeroCoreCC: TweakedAModin 46% of the modpacks with ZeroCoreCreate: Steam 'n' RailsAModin 45% of the modpacks with ZeroCoreMemory Leak Fix-Modin 43% of the modpacks with ZeroCoreApplied Energistics 2 Wireless TerminalsAModin 43% of the modpacks with ZeroCoreEnder IOAModin 43% of the modpacks with ZeroCoreBetterF3AModin 43% of the modpacks with ZeroCore
    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
    26.3·Fabric1.0.61.0.6 · zero-lib-26.3-fabric-1.0.6.jarSends: None foundRequires:Fabric API, Architectury APIFabric API, Architectury APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge1.0.61.0.6 · zero-lib-26.3-neoforge-1.0.6.jarSends: None foundRequires:Architectury APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric1.0.51.0.5 · zero-lib-26.2-fabric-1.0.5.jarSends: None foundRequires:Fabric API, Architectury APIFabric API, Architectury APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge1.0.51.0.5 · zero-lib-26.2-neoforge-1.0.5.jarSends: None foundRequires:Architectury APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge2.4.92.4.9 · ZeroCore2-1.21.1-2.4.9.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge2.1.452.1.45 · ZeroCore2-1.20.1-2.1.45.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·NeoForge2.4.12.4.1 · ZeroCore2-1.21-2.4.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20·Forge2.1.362.1.36 · ZeroCore2-1.20-2.1.36.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge2.1.392.1.39 · ZeroCore2-1.19.2-2.1.39.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge2.1.392.1.39 · ZeroCore2-1.18.2-2.1.39.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1612

    46 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge1.0.61.0.6 · zero-lib-26.3-neoforge-1.0.6.jar·17 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 27.5 KB
    26.3The latest file for its Minecraft version and loader·Fabric1.0.61.0.6 · zero-lib-26.3-fabric-1.0.6.jar·17 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 27.4 KB
    26.3·NeoForge1.0.51.0.5 · zero-lib-26.3-neoforge-1.0.5.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 27.5 KB
    26.3·Fabric1.0.51.0.5 · zero-lib-26.3-fabric-1.0.5.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 27.4 KB
    26.2The latest file for its Minecraft version and loader·NeoForge1.0.51.0.5 · zero-lib-26.2-neoforge-1.0.5.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 27.5 KB
    26.2The latest file for its Minecraft version and loader·Fabric1.0.51.0.5 · zero-lib-26.2-fabric-1.0.5.jar·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 27.4 KB
    26.3·NeoForge1.0.41.0.4 · zero-lib-26.3-neoforge-1.0.4.jarBeta·26 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 14.4 KB
    26.3·Fabric1.0.41.0.4 · zero-lib-26.3-fabric-1.0.4.jarBeta·26 Sep 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 14.4 KB
    26.2·NeoForge1.0.31.0.3 · zero-lib-26.2-neoforge-1.0.3.jar·29 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 14.4 KB
    26.2·Fabric1.0.31.0.3 · zero-lib-26.2-fabric-1.0.3.jar·29 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 14.4 KB
    26.2·NeoForge1.0.21.0.2 · zero-lib-26.2-neoforge-1.0.2.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 103.3 KB
    26.2·Fabric1.0.21.0.2 · zero-lib-26.2-fabric-1.0.2.jar·28 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 103.2 KB
    26.2·NeoForge1.0.11.0.1 · zero-lib-26.2-neoforge-1.0.1.jar·7 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 103.3 KB
    26.2·Fabric1.0.11.0.1 · zero-lib-26.2-fabric-1.0.1.jar·7 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 103.2 KB
    26.2·NeoForge1.0.01.0.0 · zero-lib-26.2-neoforge-1.0.0.jar·5 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 101.0 KB
    26.2·Fabric1.0.01.0.0 · zero-lib-26.2-fabric-1.0.0.jar·5 Aug 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 100.9 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.4.92.4.9 · ZeroCore2-1.21.1-2.4.9.jar (main file)·18 Sep 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 1.5 MB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge2.4.12.4.1 · ZeroCore2-1.21-2.4.1.jar (main file)·15 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 1.5 MB
    1.20.1The latest file for its Minecraft version and loader·Forge2.1.452.1.45 · ZeroCore2-1.20.1-2.1.45.jar (main file)·15 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 1.3 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge2.4.02.4.0 · ZeroCore2-1.21-2.4.0.jar (main file)·31 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 1.5 MB
    1 to 20 of 46123

    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 4 points.

    See them, newest first

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

    • Zero Lib 1.0.3 for Minecraft 26.2 (Fabric)29 Aug 2026
    • Zero Lib 1.0.1 for Minecraft 26.2 (Fabric)7 Aug 2026