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    2,024,305 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 2026.269,486 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.

    Sleek

    Modpack

    Just the essentials. No more, no less.

    100%Modpack: 100% of its graded mods are A or Bof mods A or B
    • Overview100%
    • SecurityPartly checked
    • Privacy1 sends data
    • AIIn 2 mods
    • CompatibilityMinecraft 1.21.1
    • ReleasesLatest Aug 2024

    Download

    Sleek 1.0.0.mrpack

    Released 26 Aug 2024 · 1.6 KB

    Partly checked: all 7 mods checked, the pack's own files not yet. See Security

    Download

    Required to run

    • ImmediatelyFastAMinecraft 1.21.1 · Fabric (release 1.6.15)
    • SodiumAMinecraft 1.21.1 · Fabric (release 0.8.13)
    • Fabric APIAMinecraft 1.21.1 · Fabric (release 0.116.17)
    • Entity CullingAMinecraft 1.21.1 · Fabric (release 1.11.3)
    • LithiumAMinecraft 1.21.1 · Fabric (release 0.15.4)
    • ModernFixAMinecraft 1.21.1 · Fabric (release 5.25.1)
    • Iris ShadersAMinecraft 1.21.1 · Fabric (release 1.8.8)
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 7 graded mods, 7 are graded A or B, 0 C and none D to F. Its last update came out 2.2 years ago, for Minecraft 1.21.1. See the mods

    Mods in this pack7 of 7 checked

    The mods of its newest release (Minecraft 1.21.1 · Fabric, 26 Aug 2024). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ModGradeSecurity
    Fabric APIMod · 527.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Entity CullingMod · 425.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.SodiumMod · 412.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Iris ShadersMod · 337.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ModernFixMod · 334.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ImmediatelyFastMod · 329.5M downloadsAPassedPassed: our checks found nothing harmful in the latest files.LithiumMod · 242.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.

    Details

    Creator
    Loudbooks
    License
    MIT License
    Downloads
    116
    Created
    26 Aug 2024
    Official page
    Modrinth

    Security

    No harmful code found in the mods we checked

    We checked all 7 mods, without running them.

    We have not checked the files in the pack itself yet (settings, scripts).

    Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.

    How we checked · All 7 mods checked
    • Its projects
      See what is in this pack
      7 mods
    • Files in the pack itself
      Not checked yet.
    • 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.

    Privacy

    1 mod sends something about you

    We read the code of all 7 of its mods, without running it.

    Entity CullingCrash reports

    Why we show this: a modpack runs the code of its mods, and 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 7 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      Iris Shaders
      1 mod
    • Send nothing
      Their code contacts no web address.
      5 mods

    AI

    AI used in 2 of the 7 mods we checked

    We found an AI tool in them, or their authors declared AI content.

    Iris ShadersdeclaredModernFixClaude Code

    No sign so far that AI was used to make the pack itself

    We looked for AI tools in its texts and found none.

    We have not read its files and images yet.

    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 · 2 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 declared.
    • 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
      1 changelog read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet

    Compatibility

    See the file in Releases
    Fabric
    1.2126.126.2

    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.7 projects, listed in the Overview tab.
    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 1.21.1. Many recently updated mods still support 1.21.1.

    1 release

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1·Fabric1.0.01.0.0 · Sleek 1.0.0.mrpack (main file)·26 Aug 2024Partly checkedPartly checked: all 7 mods checked, the pack's own files not yet.Open this file on ModrinthDownload · Stable · 1.6 KB