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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    macu lib

    Mod

    Library for my mods and adding supporter perks.

    A96/ 100
    • OverviewA
    • SecurityPassed
    • PrivacySends data
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 90
    • ReleasesLatest 16 Oct

    Download

    macu_lib-3.0.7+26.2.jar

    Released 16 Oct 2026 · 607.4 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for the newest Minecraft versions
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.8 days ago (16 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 Fabric, NeoForge and Quilt, 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 8 of the last 24 months 6 / 6

    • Stability

      2 points lost20 / 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.5 of the 68 modpacks with two or more versions removed it in a later one (7%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.4 of its 21 releases in 2 years needed a quick fix (19%) See the 4 releases5 / 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.tangled.org 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · macuguita/macu_lib 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.172,006 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.20 months, 92 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 17 latest files for recent Minecraft versions. See Security
    Total96 / 100

    68 of the 71 points that apply = 96 out of 100.

    About

    macu lib is a shared library for the developer’s mods, providing tools for registering items and blocks across platforms and adding supporter perks such as cosmetics. For supporters, it connects to the developer’s service to load cosmetics and other data used by mods that depend on the library; the cape system is one example of these perks.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 3 areas, as a library other mods build on: Game optionsChanges 1 game code file in this area: settings, key bindings and the option screens., Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server. and PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls..

    A library packed inside it changes 10 more game code files: Yumi Minecraft Libraries: Foundation.

    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
    AmendmentsAAccessoriesALithiumAEssential ModBChat HeadsA

    Details

    Creator
    macuguita
    License
    European Union Public License 1.2
    Downloads
    172K
    Created
    9 Mar 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    Security

    No harmful code found

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

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Found in the mod's own code and in kaleido-config, a library it includes. 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 Fabric 26.2 to 26.3.

    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 17 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.
      17 latest files: the newest file for each Minecraft version and loader. All 17 are 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.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    Sends your player name, your player ID and unknown data, and uses your Minecraft login

    Sent to an address built while the game runs.

    Only some of its files send your player name, your player ID and unknown data.

    We found this in its code, read without running it.

    The author declares on Modrinth that it sends crash reports or usage data unless you turn this off.

    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 17 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 17 files, for recent Minecraft versions. See each file in Releases
    • sessionserver.mojang.com
      Talks to the Minecraft login service.
      Login check with Mojang
    • api.github.com
      Downloads capes, skins or cosmetics.
      Nothing about you
    • raw.githubusercontent.com
      Purpose not known.
      Nothing about you
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.
      Your player ID and your player name

    AI

    No sign so far that AI was used to make it

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

    We have not read its code history yet.

    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 · 5 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.
      Not read yet
    • 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
      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
      365 code files read

    Compatibility

    See all 92 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.201.2126.126.3

    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 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.Faster than most mods. On average, it gets a file 20 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need macu lib to work.

    ProjectTypeDownloadsGrade
    guita's WoodworksAMod49K downloadsObese CropsCMod25K downloadsguita's BackpacksBMod12K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    30150
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 1 modpackApr 2025: 3 modpacksMay 2025: 6 modpacksJun 2025: 4 modpacksJul 2025: 2 modpacksAug 2025: 4 modpacksSep 2025: 1 modpackOct 2025: 2 modpacksNov 2025: 5 modpacksDec 2025: 7 modpacksJan 2026: 3 modpacksFeb 2026: 5 modpacksMar 2026: 15 modpacksApr 2026: 20 modpacksMay 2026: 23 modpacksJun 2026: 19 modpacksJul 2026: 20 modpacksAug 2026: 17 modpacksSep 2026: 15 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
    Nov 20240
    Dec 20240
    Jan 20250
    Feb 20250
    Mar 20251
    Apr 20253
    May 20256
    Jun 20254
    Jul 20252
    Aug 20254
    Sep 20251
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    Dec 20257
    Jan 20263
    Feb 20265
    Mar 202615
    Apr 202620
    May 202623
    Jun 202619
    Jul 202620
    Aug 202617
    Sep 202615

    More modpacks put it in their new versions than a year ago: 19 a month now, 3 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    90 modpacks include macu lib in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Beyond Ocean137K downloadslast version with it 15 Oct 2026New Origins53K downloadslast version with it 1 Jun 2025Nybblecraft6.1K downloadslast version with it 19 May 2026SDUBZCRAFT5.3K downloadslast version with it 2 Jun 2025Miracul2125K downloadslast version with it 8 Oct 2026Motherose's Forever World4.4K downloadslast version with it 9 Jul 2026a big sink2.9K downloadslast version with it 27 Sep 2026Minecraft Evolved2.8K downloadslast version with it 8 Dec 2025Chronicles: Tharidia2.8K downloadslast version with it 28 Nov 2025Catch, Create, Conquer2.5K downloadslast version with it 24 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AmendmentsAModin 49% of the modpacks with macu libAccessoriesAModin 46% of the modpacks with macu libLithiumAModin 46% of the modpacks with macu libEssential ModBModin 40% of the modpacks with macu libChat HeadsAModin 40% of the modpacks with macu libExplorer's CompassAModin 39% of the modpacks with macu libSodium Dynamic LightsCModin 39% of the modpacks with macu libFresh AnimationsAResource packin 39% of the modpacks with macu libsparkAModin 39% of the modpacks with macu libWhat Are They Up To (Watut)BModin 38% of the modpacks with macu lib
    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
    26.2 to 26.3·Fabric, NeoForge, Quilt3.0.73.0.7 · macu_lib-3.0.7+26.2.jarSends: Player name +2Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric, Quilt2.0.62.0.6 · macu_lib-2.0.6+26.1.2-fabric.jarSends: Player name +2Requires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric, Quilt2.0.22.0.2 · macu_lib-2.0.2+26.1-fabric.jarSends: Nothing about youRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·NeoForge2.0.62.0.6 · macu_lib-2.0.6+26.1.2-neoforge.jarSends: Player name +2Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·NeoForge2.0.22.0.2 · macu_lib-2.0.2+26.1-neoforge.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric, Quilt2.0.62.0.6 · macu_lib-2.0.6+1.21.11-fabric.jarSends: Player name +2Requires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge2.0.62.0.6 · macu_lib-2.0.6+1.21.11-neoforge.jarSends: Player name +2Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·Fabric, Quilt1.0.51.0.5 · macu_lib-fabric-1.0.5-1.21.9.jarSends: Nothing about youRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·NeoForge1.0.51.0.5 · macu_lib-neoforge-1.0.5-1.21.9.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5 to 1.21.8·Fabric, Quilt1.0.51.0.5 · macu_lib-fabric-1.0.5-1.21.5.jarSends: Nothing about youRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1712

    92 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.2 to 26.326.2 to 26.3The latest file for its Minecraft version and loader·Fabric, NeoForge, Quilt3.0.73.0.7 · macu_lib-3.0.7+26.2.jar (main file, 1 other file in this version not shown)·16 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 607.4 KB
    26.2 to 26.326.2 to 26.3·Fabric, NeoForge, Quilt3.0.63.0.6 · macu_lib-3.0.6+26.2.jar (main file, 1 other file in this version not shown)·11 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 563.9 KB
    26.2 to 26.326.2 to 26.3·Fabric, NeoForge, Quilt3.0.53.0.5 · macu_lib-3.0.5+26.2.jar (main file, 1 other file in this version not shown)·16 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 563.7 KB
    26.2·Fabric, NeoForge, Quilt3.0.43.0.4 · macu_lib-3.0.4+26.2.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 560.6 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·NeoForge2.0.62.0.6 · macu_lib-2.0.6+26.1.2-neoforge.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 352.0 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric, Quilt2.0.62.0.6 · macu_lib-2.0.6+26.1.2-fabric.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 349.0 KB
    1.21.11The latest file for its Minecraft version and loader·NeoForge2.0.62.0.6 · macu_lib-2.0.6+1.21.11-neoforge.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 351.9 KB
    1.21.11The latest file for its Minecraft version and loader·Fabric, Quilt2.0.62.0.6 · macu_lib-2.0.6+1.21.11-fabric.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 349.8 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge2.0.62.0.6 · macu_lib-2.0.6+1.21.1-neoforge.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 349.5 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric, Quilt2.0.62.0.6 · macu_lib-2.0.6+1.21.1-fabric.jar (main file, 1 other file in this version not shown)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 349.5 KB
    26.2·Fabric, NeoForge, Quilt3.0.33.0.3 · macu_lib-3.0.3+26.2.jar (main file, 1 other file in this version not shown)·21 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 557.0 KB
    26.2·Fabric, NeoForge, Quilt3.0.23.0.2 · macu_lib-3.0.2+26.2.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 556.9 KB
    26.1 to 26.1.226.1 to 26.1.2·NeoForge2.0.52.0.5 · macu_lib-2.0.5+26.1.2-neoforge.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 348.4 KB
    26.1 to 26.1.226.1 to 26.1.2·Fabric, Quilt2.0.52.0.5 · macu_lib-2.0.5+26.1.2-fabric.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 345.4 KB
    1.21.11·NeoForge2.0.52.0.5 · macu_lib-2.0.5+1.21.11-neoforge.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 348.4 KB
    1.21.11·Fabric, Quilt2.0.52.0.5 · macu_lib-2.0.5+1.21.11-fabric.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 346.2 KB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge2.0.52.0.5 · macu_lib-2.0.5+1.21.1-neoforge.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 346.0 KB
    1.21 to 1.21.11.21 to 1.21.1·Fabric, Quilt2.0.52.0.5 · macu_lib-2.0.5+1.21.1-fabric.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 345.9 KB
    26.1·Fabric, Quilt2.0.42.0.4 · macu_lib-2.0.4+26.1.2-fabric.jar·16 Jun 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 345.4 KB
    26.1.2·NeoForge2.0.42.0.4 · macu_lib-2.0.4+26.1.2-neoforge.jar (main file, 1 other file in this version not shown)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 343.1 KB
    1 to 20 of 9212345

    Quick fixes

    In the last 2 years, 4 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 2 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.4

    • 2.0.5+1.21.1-fabric16 Jun 2026Fix #2…
    • 1.0.3-1.20.1-fabric and 1 other release12 Mar 2025Fixed the whole registry part of the mod
    • 1.0.1-1.21.1-fabric9 Mar 2025…removed the example block that makes the game crash