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    2,054,198 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 2026.269,438 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.

    Catalytic Lib

    Mod

    This library is needed by other mods to work properly.

    C78/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AIAI images
    • CompatibilityMinecraft 1.20.1
    • ModpacksIn 40
    • ReleasesLatest 5 Oct

    Download

    catalytic_library-1.1.4-1.20.1.jar

    Released 5 Oct 2026 · 2.4 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Apothic AttributesAMinecraft 1.20.1 · Forge (release 1.3.7)
    • PlaceboAMinecraft 1.20.1 · Forge (release 8.6.3)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Stable releases

    Points lost

    • No source code link−7 points
    • Releases in only 3 of the last 24 months−4 points
    • First release only 7 months ago−3 points
    • 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.3 weeks ago (5 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.1.20.1 on Forge. 15% or more of the popular mods updated in the last 6 months also have files for 1.20.1. 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 3 of the last 24 months 2 / 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.2 of the 31 modpacks with two or more versions removed it in a later one (6%) 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

      7 points lost0 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.426,806 3 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7 months, 5 releases 5 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total78 / 100

    53 of the 68 points that apply = 78 out of 100.

    About

    Catalytic Lib is a code library that collects general-purpose tools for mod developers, primarily for use across its author's other mods. It is mainly a dependency for those mods and does not add significant visible changes to the game on its own.

    Written from CurseForge . How we write it

    In-game changes

    Changes the game's code in 3 areas, as a library other mods build on: Inventory and itemsChanges 2 game code files in this area: items, chests and other containers, crafting and enchanting., Mobs and their behaviorChanges 2 game code files in this area: mobs, animals, villagers, projectiles and how they move and act. and User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay..

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

    Often used with it

    See all 30
    Soul Fire'dAIron's Spells 'n SpellbooksAL_Ender's CataclysmBAlex's CavesCMowzie's MobsB

    Details

    Creator
    SupremeCatalyst
    License
    Not known
    Downloads
    427K
    Created
    6 Apr 2026
    Official page
    CurseForge

    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.

    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 · The latest file 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.
      1 latest file, for a recent version. 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
    • 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 · Its one file 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 its one file, for recent Minecraft versions. See each file in Releases

    AI

    AI was used for its images

    ChatGPT is named in the images in its files.

    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 · 4 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.
      Not on Modrinth.
    • 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
      10 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.
      2 images name ChatGPT in their data, such as thunders_wrath.png
    • 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
      39 code files read

    Compatibility

    See all 5 files
    Forge
    1.201.2126.126.3

    Point at or tap a version to see its loaders.

    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.
    Apothic AttributesAPlaceboA
    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.It has no file for Minecraft versions newer than 1.20.1. Many recently updated mods still support 1.20.1.

    Modpacks using this project

    Find modpacks with it

    40 modpacks include Catalytic Lib in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Otherworld [Dungeons & Dragons]980K downloadslast version with it 11 May 2026Rhinocraft62K downloadslast version with it 21 Jul 2026Terramity Awakened - A Calamity Experience!54K downloadslast version with it 25 Sep 2026Everchanging Fates 2 - Origins Anew4.1K downloadslast version with it 9 Jul 2026The Pond Edition [FORGE]2.1K downloadslast version with it 30 Aug 2026Camputron Chronicles1.8K downloadslast version with it 7 Aug 2026guns and vehicles1.6K downloadslast version with it 27 Sep 2026Fih worldo [Otherworld Dungeons & Dragons]1.2K downloadslast version with it 25 Jun 2026The Gilded Era SMP1.2K downloadslast version with it 2 Sep 2026Oriflamme1.1K downloadslast version with it 26 Jul 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Soul Fire'dAModin 100% of the modpacks with Catalytic LibIron's Spells 'n SpellbooksAModin 98% of the modpacks with Catalytic LibL_Ender's CataclysmBModin 98% of the modpacks with Catalytic LibAlex's CavesCModin 93% of the modpacks with Catalytic LibMowzie's MobsBModin 83% of the modpacks with Catalytic LibAttributeFixAModin 83% of the modpacks with Catalytic LibT.O Magic 'n Extras - Iron's Spells AddonCModin 80% of the modpacks with Catalytic LibApotheosisAModin 75% of the modpacks with Catalytic LibPacket FixerAModin 73% of the modpacks with Catalytic LibSophisticated StorageAModin 73% of the modpacks with Catalytic Lib
    1 to 10 of 30123

    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
    1.20.1·Forge1.1.41.1.4 · catalytic_library-1.1.4-1.20.1.jarSends: None foundRequires:Apothic Attributes, PlaceboApothic Attributes, PlaceboPassedOur checks found nothing harmful in this file. Its code was read too.

    5 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.1.41.1.4 · catalytic_library-1.1.4-1.20.1.jar·5 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 2.4 MB
    1.20.1·Forge1.1.31.1.3 · catalytic_library-1.1.3-1.20.1.jar·6 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 2.4 MB
    1.20.1·Forge1.1.11.1.1 · catalytic_library-1.1.1-1.20.1.jar·16 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.4 MB
    1.20.1·Forge1.1.01.1.0 · catalytic_library-1.1.0-1.20.1.jar·14 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.4 MB
    1.20.1·Forge1.0.01.0.0 · catalytic_library-1.0.0-1.20.1.jar·6 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 2.4 MB