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    2,059,027 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.641,484 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,688 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundWhat's newAPIAboutPrivacyTermsContact

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

    Create: Catalyst

    Mod

    Make Create machines run smoother and reduce lag in busy factories.

    C74/ 100
    Security
    Passed
    Privacy
    None found
    Loaders
    NeoForge
    Minecraft versions
    Minecraft 1.21.1
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.21.1
    • ModpacksIn 24
    • ReleasesLatest 31 Jul

    Download

    catalyst-0.17.0.jar

    Released 31 Jul 2026 · 33.3 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases

    Points lost

    • No source code link−7 points
    • First release only 3 months ago−6 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points21 / 21
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3 months ago (31 Jul 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.1.21.1 on NeoForge. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. 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.Does not apply. The project is under 6 months old.

    • Stability

      Full points15 / 15
      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.None of the 20 modpacks with two or more versions removed it 10 / 10
      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 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. Not counted for projects only on CurseForge.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.15,539 3 / 4

    • Track record

      6 points lost2 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3 months, 2 releases 2 / 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
    Total74 / 100

    40.6 of the 55 points that apply = 74 out of 100. The points above are rounded to whole numbers.

    Images

    • After
    • Before

    About

    Create: Catalyst is a client-side performance mod for Create that reduces rendering and audio costs, with its optimizations configurable. It cuts blaze-burner smoke plumes in half and makes particle settings apply to that smoke, while reducing the lighting and rendering work involved in multiblock tanks and distant fluid surfaces. It also limits rendering of belt items, machine display items, filter and redstone-link boxes, and Create block entities at longer distances, and reduces belt-stack model work nearby without changing belt lighting. To reduce machine-farm stutter, it caches certain contraption and goggles checks and limits duplicate or excessive sound starts; airship blocks retain correct rendering and sound behavior. The mod adds ScalableLux compatibility when used with Create Aeronautics, and has been tested with Sodium, Flywheel, and Sable / Create Aeronautics.

    Written from CurseForge . How we write it

    In-game changes

    Changes the game's code in 1 area: Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen..

    Adds no new blocks, items or other content.

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

    Details

    Creator
    rsap
    License
    Not known
    Downloads
    16K
    Created
    22 Jul 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

    No sign that AI was used to make it

    We looked for AI tools in its texts, files and images 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 · 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
      4 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
    • 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
      25 code files read

    Compatibility

    See all 2 files
    NeoForge
    1.2126.126.2

    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.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.No file yet for the newest Minecraft version.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Create: Catalyst in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    TerraFirma Rebirth 2133K downloadslast version with it 9 Sep 2026Create Aeronautics (Modpack)9.9K downloadslast version with it 1 Sep 2026Essentials:Create5.7K downloadslast version with it 23 Oct 2026Creative Colonies - [Build, Automate, Thrive]1.4K downloadslast version with it 25 Sep 2026Corinthe's Craft1.3K downloadslast version with it 11 Oct 2026Mini French Gaming III1.1K downloadslast version with it 22 Oct 2026Xanoria to the Skies852 downloadslast version with it 23 Aug 2026Luminal619 downloadslast version with it 20 Sep 2026Automated Anarchy613 downloadslast version with it 26 Jul 2026create age of exploration501 downloadslast version with it 4 Aug 2026
    1 to 10 of 24123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Create AeronauticsBModin 92% of the modpacks with Create: CatalystCreate: Copycats+AModin 83% of the modpacks with Create: CatalystCreate: Enchantment IndustryAModin 83% of the modpacks with Create: CatalystAllTheLeaks (Memory Leak Fix)AModin 79% of the modpacks with Create: CatalystCreate: ConnectedAModin 79% of the modpacks with Create: CatalystCreate DecoBModin 75% of the modpacks with Create: CatalystLithiumAModin 75% of the modpacks with Create: CatalystCreate Stuff 'N AdditionsAModin 71% of the modpacks with Create: CatalystAmendmentsAModin 67% of the modpacks with Create: CatalystCreate: Diesel GeneratorsAModin 63% of the modpacks with Create: Catalyst
    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
    1.21.1·NeoForge0.17.00.17.0 · catalyst-0.17.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    2 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge0.17.00.17.0 · catalyst-0.17.0.jar·31 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 33.3 KB
    1.21.1·NeoForge0.16.00.16.0 · catalyst-0.16.0.jar·22 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 34.4 KB