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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.

    ctLib

    Mod

    A library that helps mods and plugins store data.

    -Not graded
    • Overview-
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityUp to 1.21.4
    • ModpacksIn 6
    • ReleasesLatest Aug 2024

    Download

    ctLibMod-0.1.13.jar

    Released 8 Aug 2024 · 399.7 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why no grade

    How grades work

    Finished or replaced projects get no grade: they will not get fixes or new versions.

    • Archived on Modrinth.
    All 11 criteria

    • Maintenance

      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.The author marked an existing file as working on Minecraft 1.21.4, which came out on 3 Dec 2024
      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 on Fabric, Forge, NeoForge and Quilt. 21% of the 718 popular Fabric mods updated in the last 6 months also have files for 1.21. Latest Minecraft: 26.3.
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.No release in the last 24 months

    • Stability

      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.2 of the 5 modpacks with two or more versions removed it in a later one (40%)
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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

    • Transparency

      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · CSneko/ctLib
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · CSneko/ctLib

    • Popularity

      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.50,838

    • Track record

      AgeHow long the project has existed. It counts less when no new file came out recently.3.0 years, 32 releases

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 4 latest files for recent Minecraft versions. See Security

    About

    ctLib is a shared library for Minecraft mods and server plugins, offering APIs for data storage and common operations across platforms including Fabric, Forge, NeoForge, Bukkit, Spigot, Paper, Purpur, Folia, and Quilt. Its APIs support SQLite and JSON data handling, YAML editing for non-Bukkit platforms, network requests, and chat prefixes; MySQL support is available for plugins. The library also aims to help mods connect with one another more easily.

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

    In-game changes

    Does not change the game's code directly.

    Adds no new blocks, items or other content.

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

    Details

    Creator
    CrystalNeko
    License
    GNU General Public License v3.0 or later
    Downloads
    51K
    Created
    21 Oct 2023
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki

    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. No address written in the code is contacted by the code that runs. See Privacy
    Can download and run new code
    The same part of the code can download data and run it as code. Auto-updaters do this, and so does malware. Only in its files for Paper 1.13 to 1.21.4.Not a Warning: we read its code and found no code downloaded over http or run without a check.
    Uses folders outside the game
    It can read or write files outside your Minecraft folder, on the rest of your computer. Only in its files for Fabric 1.13 to 1.21; Paper 1.13 to 1.21.4.
    Starts other programs
    It can start another program on your computer, for example to open a link in your browser. Only in its files for Fabric 1.13 to 1.21.

    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 6 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.
      6 latest files: the newest file for each Minecraft version and loader. The answer above is about the 4 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.
    • Starts other programs
      Can run system commands.
    • Looked for, not foundWe looked for these in the file and did not find them.
      Updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends about you

    We read its code without running it: it contacts 1 web address while you play.

    Like any connection, each address it contacts sees your IP address.

    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 4 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 4 files, for recent Minecraft versions. See each file in Releases
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.
    • 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 so far that AI was used to make it

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

    We have not read its changelogs and 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 in the description
      Changelogs not read yet
    • 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
      50 code files read

    Compatibility

    See all 32 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.131.161.191.2126.1

    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.
    ServersThe server software its plugin build is made for.Also published as a plugin for Paper, Spigot, Bukkit, Purpur, Folia and Velocity.
    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, a version many recently updated mods still support.

    Related projects

    Projects that need ctLib to work.

    ProjectTypeDownloadsGrade
    toNekoAMod47K downloadsLPPrefix-Mod753 downloads

    Modpacks using this project

    Find modpacks with it

    Modpacks that include ctLib in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Windfall2.8K downloadslast version with it 9 Feb 2025CogWorks SMP1.9K downloadslast version with it 4 Aug 2025the Art1.6K downloadslast version with it 21 May 2025EarthlySMP885 downloadslast version with it 24 Apr 2024Aetheria 1513 downloadslast version with it 29 Jun 2024Psychosis Pack371 downloadslast version with it 14 Feb 2025

    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
    1.13 to 1.21.4·Fabric, NeoForge, Forge0.1.130.1.13 · ctLibMod-0.1.13.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.13 to 1.21.4·Paper, Spigot, Bukkit, Purpur, Folia, Velocity0.1.130.1.13 · ctLibPlugin-0.1.13.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.13 to 1.21·Fabric, NeoForge, Forge, Quilt0.1.110.1.11 · ctLibMod-0.1.11.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.13 to 1.20.4·Fabric, NeoForge, Forge, Quilt0.0.150.0.15 · ctLibMod-0.0.15.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.6.1 to 1.12.2·Paper, Spigot, Bukkit, Purpur, Folia, Velocity0.0.150.0.15 · ctLib-0.0.15.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.0 to 1.5.2·Paper, Spigot, Bukkit, Purpur, Folia, Velocity0.0.130.0.13 · ctLib-0.0.13.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    32 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.13 to 1.21.41.13 to 1.21.4The latest file for its Minecraft version and loader·Fabric, NeoForge, Forge0.1.130.1.13 · ctLibMod-0.1.13.jar·8 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 399.7 KB
    1.13 to 1.21.41.13 to 1.21.4The latest file for its Minecraft version and loader·Loader not stated0.1.130.1.13 · ctLibPlugin-0.1.13.jar (first file)·8 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 136.9 KB
    1.13 to 1.211.13 to 1.21·Loader not stated0.1.120.1.12 · ctLibPlugin-0.1.12.jar (first file)·21 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 124.1 KB
    1.13 to 1.211.13 to 1.21The latest file for its Minecraft version and loader·Fabric, NeoForge, Forge, Quilt0.1.110.1.11 · ctLibMod-0.1.11.jar·14 Jul 2024PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 12.7 MB
    1.13 to 1.211.13 to 1.21·Loader not stated0.1.110.1.11 · ctLibPlugin-0.1.11.jar (first file)·14 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 124.1 KB
    1.13 to 1.211.13 to 1.21·Fabric, NeoForge, Forge, Quilt0.1.100.1.10 · ctLibMod-0.1.10.jar·4 Jul 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 12.7 MB
    1.13 to 1.211.13 to 1.21·Loader not stated0.1.100.1.10 · ctLibPlugin-0.1.10.jar (first file)·4 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 118.0 KB
    1.13 to 1.211.13 to 1.21·Loader not stated0.1.90.1.9 · ctLibPlugin-0.1.9.jar (first file)·24 Jun 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 135.8 KB
    1.13 to 1.211.13 to 1.21·Fabric, NeoForge, Forge, Quilt0.1.90.1.9 · ctLibMod-0.1.9.jar·16 Jun 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 12.7 MB
    1.13 to 1.20.61.13 to 1.20.6·Fabric, NeoForge, Forge, Quilt0.1.80.1.8 · ctlibmod-0.1.8.jar·13 Jun 2024PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 12.7 MB
    1.13 to 1.20.61.13 to 1.20.6·Fabric, NeoForge, Forge, Quilt0.1.70.1.7 · ctlib-latest.jar·16 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 12.7 MB
    1.13 to 1.211.13 to 1.21·Loader not stated0.1.70.1.7 · ctLib-0.1.7.jar (first file)·1 May 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 134.6 KB
    1.13 to 1.20.61.13 to 1.20.6·Loader not stated0.1.60.1.6 · ctLib-0.1.6.jar (first file)·21 Apr 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 127.9 KB
    1.13 to 1.20.41.13 to 1.20.4·Loader not stated0.1.50.1.5 · ctLib-0.1.5.jar (first file)·13 Apr 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 116.8 KB
    1.13 to 1.20.41.13 to 1.20.4·Loader not stated0.1.40.1.4 · ctLib-0.1.4.jar (first file)·4 Apr 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 110.5 KB
    1.13 to 1.20.41.13 to 1.20.4·Loader not stated0.1.30.1.3 · ctLib-0.1.3.jar (first file)·30 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 110.5 KB
    1.13 to 1.20.41.13 to 1.20.4·Loader not stated0.1.20.1.2 · ctLib-0.1.2.jar (first file)·25 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 123.1 KB
    1.13 to 1.20.41.13 to 1.20.4·Loader not stated0.1.10.1.1 · ctLib-0.1.1.jar (first file)·24 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 1.4 MB
    1.13 to 1.20.41.13 to 1.20.4·Fabric, Forge, Quilt0.1.00.1.0 · ctLibMod-0.1.0.jar·13 Mar 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 12.6 MB
    1.13 to 1.20.41.13 to 1.20.4·Loader not stated0.1.00.1.0 · ctLib-0.1.0.jar (first file)·25 Feb 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 94.0 KB
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