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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    ukulib

    Mod

    Small utility library used in my mods.

    A96/ 100
    • OverviewA
    • SecurityPassed
    • PrivacySends data
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 1,382
    • ReleasesLatest 15 Sep

    Download

    ukulib-fabric-2.2.0+26.3.jar

    Released 15 Sep 2026 · 440.5 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 the newest Minecraft versions
    • Stable releases
    • Widely used
    • Around for years

    Points lost

    • No public issue tracker−3 points
    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.6 weeks ago (15 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.26.3 on NeoForge, Fabric and Quilt (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 10 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.25 of the 279 modpacks with two or more versions removed it in a later one (9%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 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

      3 points lost7 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · uku3lig/ukulib 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.14,950,641 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4.1 years, 84 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 13 latest files for recent Minecraft versions. See Security
    Total96 / 100

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

    Images

    • webp banner

    About

    ukulib is a utility library for Minecraft mod developers, providing reusable configuration tools and other game-related utilities rather than adding player-facing content of its own. Its configuration framework manages serializable configuration objects, supports TOML and JSON serialization, and provides utilities to save, replace, and reset settings. Developers can build vanilla-like configuration screens from widgets, including toggles, enum or value selectors, and text inputs with validation, or organize settings into tabs. The library also offers an interactive screen for selecting HUD or UI element positions, with a default-position option, plus smaller helpers such as a silent button widget and a player argument type that autocompletes players or accepts UUIDs. ukulib supports Fabric and NeoForge and can also be used in multi-loader projects.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 3 areas, as a library other mods build on: User interfaceChanges 2 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay., Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses. and Game optionsChanges 1 game code file in this area: settings, key bindings and the option screens..

    Libraries packed inside it change 51 more game code files: parts of Fabric API.

    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
    Mod MenuALithiumAFerriteCoreASodium ExtraAReese's Sodium OptionsA

    Details

    Creator
    uku
    License
    Mozilla Public License 2.0
    Downloads
    15M
    Created
    27 Sep 2022
    Official page
    Modrinth
    Links
    Source code , Wiki , Discord

    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 toml4j, a library it includes. 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 26 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.
      26 latest files: the newest file for each Minecraft version and loader. The answer above is about the 13 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 ID and crash reports

    Sent to sessionserver.mojang.com and an address built while the game runs.

    Only some of its files send your player ID and crash reports.

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

    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 13 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 13 files, for recent Minecraft versions. See each file in Releases
    • sessionserver.mojang.com
      Talks to the Minecraft login service.
      Your player ID
    • mc-heads.net
      Downloads capes, skins or cosmetics.
      Nothing about you
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Uploads crash reports or logs.
      Your game log
    • 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
      20 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
      3 images 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
      101 code files read

    Compatibility

    See all 84 files
    Fabric
    NeoForge
    Quilt
    1.141.171.2026.1

    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.Install it in your game only. Servers do not need it, so you can join any server.
    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.Faster than most mods. On average, it gets a file the same day a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need ukulib to work.

    ProjectTypeDownloadsGrade
    uku's Armor HUDAMod10.2M downloadsTotemCounterAMod5M downloadsBetterHurtCamAMod4.1M downloadsTier TaggerAMod3.3M downloadsPotionCounterAMod1.6M downloadsVox Tiers Tier Tagger-Mod1.1M downloadsBetterShieldsAMod1.1M downloadsNoWheelBMod623K downloadsHitRangeAMod506K downloadsArmor HUD Numbers-Mod277K downloads
    1 to 10 of 4312345

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    3001500
    Oct 2024: 47 modpacksNov 2024: 42 modpacksDec 2024: 43 modpacksJan 2025: 49 modpacksFeb 2025: 46 modpacksMar 2025: 66 modpacksApr 2025: 60 modpacksMay 2025: 63 modpacksJun 2025: 74 modpacksJul 2025: 79 modpacksAug 2025: 78 modpacksSep 2025: 81 modpacksOct 2025: 116 modpacksNov 2025: 115 modpacksDec 2025: 130 modpacksJan 2026: 134 modpacksFeb 2026: 142 modpacksMar 2026: 155 modpacksApr 2026: 134 modpacksMay 2026: 160 modpacksJun 2026: 209 modpacksJul 2026: 203 modpacksAug 2026: 152 modpacksSep 2026: 139 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202447
    Nov 202442
    Dec 202443
    Jan 202549
    Feb 202546
    Mar 202566
    Apr 202560
    May 202563
    Jun 202574
    Jul 202579
    Aug 202578
    Sep 202581
    Oct 2025116
    Nov 2025115
    Dec 2025130
    Jan 2026134
    Feb 2026142
    Mar 2026155
    Apr 2026134
    May 2026160
    Jun 2026209
    Jul 2026203
    Aug 2026152
    Sep 2026139

    More modpacks put it in their new versions than a year ago: 166 a month now, 73 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..

    1,382 modpacks include ukulib in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Vanilla Perfected3M downloadslast version with it 13 Oct 2024OneClient1.3M downloadslast version with it 23 Oct 2026OneClient (SkyBlock)1M downloadslast version with it 23 Oct 2026Re-Console712K downloadslast version with it 30 Jul 2024uku's pvp modpack476K downloadslast version with it 3 Oct 2026Spunky PVP Plus347K downloadslast version with it 5 Oct 2026UnstableSMP - Law Fight272K downloadslast version with it 11 Mar 2026Better PvP257K downloadslast version with it 24 Jun 2026RaftPack231K downloadslast version with it 12 Aug 2026AnimateCraft: Lankeren199K downloadslast version with it 6 Nov 2023
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Mod MenuAModin 98% of the modpacks with ukulibLithiumAModin 93% of the modpacks with ukulibFerriteCoreAModin 91% of the modpacks with ukulibSodium ExtraAModin 84% of the modpacks with ukulibReese's Sodium OptionsAModin 75% of the modpacks with ukulibZoomify (Zoom)AModin 71% of the modpacks with ukulibDynamic FPSAModin 70% of the modpacks with ukulibShulker Box TooltipAModin 68% of the modpacks with ukulibConcurrent Chunk Management Engine (Fabric)AModin 58% of the modpacks with ukulibBadOptimizationsAModin 55% of the modpacks with ukulib
    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·Fabric, Quilt2.2.02.2.0 · ukulib-fabric-2.2.0+26.3.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge2.2.02.2.0 · ukulib-neoforge-2.2.0+26.3.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric, Quilt2.1.12.1.1 · ukulib-fabric-2.1.1+26.2.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge2.1.12.1.1 · ukulib-neoforge-2.1.1+26.2.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric, Quilt2.0.02.0.0 · ukulib-fabric-2.0.0+26.1.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·NeoForge2.0.02.0.0 · ukulib-neoforge-2.0.0+26.1.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric, Quilt1.10.21.10.2 · ukulib-1.10.2+1.21.11.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·Fabric, Quilt1.9.01.9.0 · ukulib-1.9.0+1.21.9.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.6 to 1.21.8·Fabric, Quilt1.8.21.8.2 · ukulib-1.8.2+1.21.6.jarSends: Player ID +1Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5·Fabric, Quilt1.7.11.7.1 · ukulib-1.7.1+1.21.5.jarSends: Crash reportsRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 26123

    84 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge2.2.02.2.0 · ukulib-neoforge-2.2.0+26.3.jar (main file)·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 283.9 KB
    26.3The latest file for its Minecraft version and loader·Fabric, Quilt2.2.02.2.0 · ukulib-fabric-2.2.0+26.3.jar (main file)·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 440.5 KB
    26.2The latest file for its Minecraft version and loader·NeoForge2.1.12.1.1 · ukulib-neoforge-2.1.1+26.2.jar (main file)·17 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 289.5 KB
    26.2The latest file for its Minecraft version and loader·Fabric, Quilt2.1.12.1.1 · ukulib-fabric-2.1.1+26.2.jar (main file)·17 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 445.9 KB
    26.2·NeoForge2.1.02.1.0 · ukulib-neoforge-2.1.0+26.2.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 289.2 KB
    26.2·Fabric, Quilt2.1.02.1.0 · ukulib-fabric-2.1.0+26.2.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 445.6 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·NeoForge2.0.02.0.0 · ukulib-neoforge-2.0.0+26.1.jar (main file)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 282.8 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric, Quilt2.0.02.0.0 · ukulib-fabric-2.0.0+26.1.jar (main file)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 435.1 KB
    1.21.11The latest file for its Minecraft version and loader·Fabric, Quilt1.10.21.10.2 · ukulib-1.10.2+1.21.11.jar (main file)·14 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 453.4 KB
    26.1-snapshot-2·NeoForge2.0.0-alpha.1-26.1-snapshot-22.0.0-alpha.1-26.1-snapshot-2 · ukulib-neoforge-2.0.0-alpha.1+26.1-snapshot-2.jar (main file)Alpha·9 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Alpha · 282.7 KB
    26.1-snapshot-2·Fabric, Quilt2.0.0-alpha.1-26.1-snapshot-22.0.0-alpha.1-26.1-snapshot-2 · ukulib-fabric-2.0.0-alpha.1+26.1-snapshot-2.jar (main file)Alpha·9 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Alpha · 434.0 KB
    1.21.11·Fabric, Quilt1.10.11.10.1 · ukulib-1.10.1+1.21.11.jar (main file)·9 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 453.2 KB
    1.21.11·Fabric, Quilt1.10.01.10.0 · ukulib-1.10.0+1.21.11.jar (main file)·9 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 453.2 KB
    1.21.9 to 1.21.101.21.9 to 1.21.10The latest file for its Minecraft version and loader·Fabric, Quilt1.9.01.9.0 · ukulib-1.9.0+1.21.9.jar (main file)·30 Sep 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 455.7 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8The latest file for its Minecraft version and loader·Fabric, Quilt1.8.21.8.2 · ukulib-1.8.2+1.21.6.jar (main file)·22 Sep 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 430.1 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8·Fabric, Quilt1.8.11.8.1 · ukulib-1.8.1+1.21.6.jar (main file)·20 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 430.1 KB
    1.21.6 to 1.21.81.21.6 to 1.21.8·Fabric, Quilt1.8.01.8.0 · ukulib-1.8.0+1.21.6.jar (main file)·17 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 429.5 KB
    1.21.5The latest file for its Minecraft version and loader·Fabric, Quilt1.7.11.7.1 · ukulib-1.7.1+1.21.5.jar (main file)·8 Apr 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 429.1 KB
    1.21.5·Fabric, Quilt1.7.01.7.0 · ukulib-1.7.0+1.21.5.jar (main file)·25 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 315.8 KB
    1.21.4The latest file for its Minecraft version and loader·Fabric, Quilt1.6.01.6.0 · ukulib-1.6.0+1.21.4.jar (main file)·3 Dec 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 310.4 KB
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