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    2,046,932 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 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 24 Oct 2026.269,480 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    MonoLib

    Mod

    A non-invasive library mod for Fabric, Forge, and NeoForge.

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.1.2
    • ModpacksIn 7,631
    • ReleasesLatest 3 Oct

    Download

    monolib-fabric-26.1.2-4.1.2.jar

    Released 3 Oct 2026 · 307.5 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 Minecraft 26.1.2, a version many recently updated mods still support
    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    No points lost.

    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.3 weeks ago (3 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.26.1.2 on Fabric and NeoForge, 1.21.8 on Forge. 15% or more of the popular mods updated in the last 6 months also have files for 26.1.2. 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 8 of the last 24 months 6 / 6

    • Stability

      Full points22 / 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.15 of the 373 modpacks with two or more versions removed it in a later one (4%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 18 releases in 2 years needed a quick fix (6%) 7 / 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 · Mods-For-Lupin/MonoLib 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Mods-For-Lupin/MonoLib 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.33,751,502 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.7 years, 129 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 25 latest files for recent Minecraft versions. See Security
    Total100 / 100

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

    About

    MonoLib is a shared code library intended to reduce repeated code across mods created for Lupin, and it is also available for use in other projects. It provides reusable utilities such as event callbacks, commands, and registration binding, rather than adding gameplay, blocks, items, or entities of its own.

    Written from Modrinth , CurseForge and the GitHub README . How we write it

    In-game changes

    Changes the game's code in 4 areas, as a library other mods build on: Inventory and itemsChanges 3 game code files in this area: items, chests and other containers, crafting and enchanting., User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay., Blocks and fluidsChanges 1 game code file in this area: how blocks, fluids and redstone work. and Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses..

    A library packed inside it changes 1 more game code file: MidnightLib.

    Adds 2 items: Alternate Item and Test Item.

    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
    AmendmentsATowns and TowersBComplementary Shaders - UnboundAAttributeFixAChat HeadsA

    Details

    Creators
    jason13official and Lupin
    License
    The Unlicense
    Downloads
    33.8M
    Created
    30 Jan 2024
    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

    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 1.20.1 to 1.21.1, 1.21.8, 1.21.11 to 26.1.2; NeoForge 1.21.1, 1.21.8, 1.21.11 to 26.1.2; Forge 1.20.1, 1.21.8.
    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 Fabric 1.20.1 to 1.21.10, 26.1.2; NeoForge 1.21.1 to 1.21.10; Forge 1.20.1 to 1.21.8. See Privacy

    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 42 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.
      42 latest files: the newest file for each Minecraft version and loader. The answer above is about the 25 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

    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 25 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 25 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
      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
      53 code files read

    Compatibility

    See all 129 files
    Fabric
    NeoForge
    Forge
    1.191.201.2126.1

    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.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.
    MidnightLibin some filesA
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 26.1.2. Many recently updated mods still support 26.1.2.

    Related projects

    Projects that need MonoLib to work.

    ProjectTypeDownloadsGrade
    Dis-Enchanting TableAMod24.4M downloadsGolden Foods!AMod7.6M downloadsMore Beautiful TorchesAMod7.5M downloadsEnderPackBMod7.4M downloadsAnimal Armor Trims - Horse & WolfCMod7.4M downloadsAutoMessageAMod7.3M downloadsMore Bows and ArrowsAMod7.2M downloadsStackable Stew and SoupCMod7.1M downloadsNew Shield VariantsBMod7.1M downloadsNew Slab VariantsBMod6.5M downloads
    1 to 10 of 26123

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    8004000
    Oct 2024: 415 modpacksNov 2024: 393 modpacksDec 2024: 420 modpacksJan 2025: 463 modpacksFeb 2025: 456 modpacksMar 2025: 488 modpacksApr 2025: 533 modpacksMay 2025: 555 modpacksJun 2025: 555 modpacksJul 2025: 562 modpacksAug 2025: 570 modpacksSep 2025: 543 modpacksOct 2025: 622 modpacksNov 2025: 682 modpacksDec 2025: 749 modpacksJan 2026: 726 modpacksFeb 2026: 624 modpacksMar 2026: 604 modpacksApr 2026: 642 modpacksMay 2026: 691 modpacksJun 2026: 699 modpacksJul 2026: 703 modpacksAug 2026: 683 modpacksSep 2026: 639 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024415
    Nov 2024393
    Dec 2024420
    Jan 2025463
    Feb 2025456
    Mar 2025488
    Apr 2025533
    May 2025555
    Jun 2025555
    Jul 2025562
    Aug 2025570
    Sep 2025543
    Oct 2025622
    Nov 2025682
    Dec 2025749
    Jan 2026726
    Feb 2026624
    Mar 2026604
    Apr 2026642
    May 2026691
    Jun 2026699
    Jul 2026703
    Aug 2026683
    Sep 2026639

    7,631 modpacks include MonoLib in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    All the Mods 10 - ATM1022.5M downloadslast version with it 15 Oct 2026Vanilla Perfected3M downloadslast version with it 26 Dec 2025Better Adventures+2.2M downloadslast version with it 20 Oct 2025All the Mons - ATMons2.1M downloadslast version with it 14 Jun 2026MC Eternal 21.9M downloadslast version with it 16 Sep 2026Fantasy MC Fabric1.9M downloadslast version with it 20 Jul 2026MineColonies: Dimensional Adventure1.2M downloadslast version with it 4 Oct 2026Create Ultimate Selection - Create Quests | Create Addons [1.20.1]1.2M downloadslast version with it 15 Oct 2026VerityCraft - A Realistic Horror Experience with Verity1.1M downloadslast version with it 22 Oct 2026Prehistoric World - Dinosaurs, Adventure & Quests | NEW PREHISTORY UPDATE!1.1M downloadslast version with it 22 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AmendmentsAModin 54% of the modpacks with MonoLibTowns and TowersBModin 47% of the modpacks with MonoLibComplementary Shaders - UnboundAShaderin 46% of the modpacks with MonoLibAttributeFixAModin 45% of the modpacks with MonoLibChat HeadsAModin 44% of the modpacks with MonoLibsparkAModin 43% of the modpacks with MonoLibMacaw's FurnitureBModin 42% of the modpacks with MonoLibMacaw's TrapdoorsAModin 42% of the modpacks with MonoLibWhat Are They Up To (Watut)BModin 41% of the modpacks with MonoLibElytra SlotCModin 41% of the modpacks with MonoLib
    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
    26.1.2·Fabric4.1.24.1.2 · monolib-fabric-26.1.2-4.1.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·NeoForge4.1.24.1.2 · monolib-neoforge-26.1.2-4.1.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.1·Fabric4.0.24.0.2 · monolib-fabric-26.1.2-4.0.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.1·NeoForge4.0.24.0.2 · monolib-neoforge-26.1.2-4.0.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric3.2.03.2.0 · monolib-fabric-1.21.11-3.2.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge3.2.03.2.0 · monolib-neoforge-1.21.11-3.2.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·Fabric3.1.13.1.1 · monolib-fabric-1.21.10-3.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·NeoForge3.1.13.1.1 · monolib-neoforge-1.21.10-3.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9·Fabric3.1.13.1.1 · monolib-fabric-1.21.9-3.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9·NeoForge3.1.13.1.1 · monolib-neoforge-1.21.9-3.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 4212345

    129 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1.2The latest file for its Minecraft version and loader·NeoForge4.1.24.1.2 · monolib-neoforge-26.1.2-4.1.2.jar (main file)·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 98.6 KB
    26.1.2The latest file for its Minecraft version and loader·Fabric4.1.24.1.2 · monolib-fabric-26.1.2-4.1.2.jar (main file)·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 307.5 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge4.1.24.1.2 · monolib-neoforge-1.21.1-4.1.2.jar (main file)·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 185.6 KB
    1.21.1The latest file for its Minecraft version and loader·Fabric4.1.24.1.2 · monolib-fabric-1.21.1-4.1.2.jar (main file)·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 399.3 KB
    1.20.1The latest file for its Minecraft version and loader·Forge4.1.24.1.2 · monolib-forge-1.20.1-4.1.2.jar (main file)·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 190.5 KB
    1.20.1The latest file for its Minecraft version and loader·Fabric4.1.24.1.2 · monolib-fabric-1.20.1-4.1.2.jar (main file)·3 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 403.2 KB
    26.1.2·NeoForge4.1.14.1.1 · monolib-neoforge-26.1.2-4.1.1.jar (main file)·31 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 99.5 KB
    26.1.2·Fabric4.1.14.1.1 · monolib-fabric-26.1.2-4.1.1.jar (main file)·31 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 308.4 KB
    26.1.2·NeoForge4.1.04.1.0 · monolib-neoforge-26.1.2-4.1.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 99.4 KB
    26.1.2·Fabric4.1.04.1.0 · monolib-fabric-26.1.2-4.1.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 308.3 KB
    1.21.1·NeoForge4.1.04.1.0 · monolib-neoforge-1.21.1-4.1.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 186.5 KB
    1.21.1·Fabric4.1.04.1.0 · monolib-fabric-1.21.1-4.1.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 400.3 KB
    1.20.1·Forge4.1.04.1.0 · monolib-forge-1.20.1-4.1.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 191.4 KB
    1.20.1·Fabric4.1.04.1.0 · monolib-fabric-1.20.1-4.1.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 404.2 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·NeoForge4.0.24.0.2 · monolib-neoforge-26.1.2-4.0.2.jar (main file)·23 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 76.6 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric4.0.24.0.2 · monolib-fabric-26.1.2-4.0.2.jar (main file)·23 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 81.2 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge4.0.24.0.2 · monolib-neoforge-1.21.1-4.0.2.jar (main file)·23 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 163.6 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric4.0.24.0.2 · monolib-fabric-1.21.1-4.0.2.jar (main file)·23 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 173.6 KB
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·Forge4.0.24.0.2 · monolib-forge-1.20.1-4.0.2.jar (main file)·23 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 169.8 KB
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·Fabric4.0.24.0.2 · monolib-fabric-1.20.1-4.0.2.jar (main file)·23 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 178.8 KB
    1 to 20 of 12912345…7

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • fabric-1.21.8-3.0.18 Aug 2025