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    2,046,932 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 2026.269,480 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.

    KleeSlabs

    Mod

    Break only the half of a double slab that you're looking at.

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 10,849
    • ReleasesLatest 25 Sep

    Download

    kleeslabs-fabric-26.3-26.3.0.2.jar

    Released 25 Sep 2026 · 285.3 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 26.3 · Fabric (release 0.165.0)
    • BalmAMinecraft 26.3 · Fabric (release 26.3.0.3)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for the newest Minecraft versions
    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    No points lost.

    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.4 weeks ago (25 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 (latest) on Fabric and NeoForge, 1.21.11 on Forge 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 18 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.33 of the 389 modpacks with two or more versions removed it in a later one (8%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 33 releases in 2 years needed a quick fix (6%) 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

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · TwelveIterations/KleeSlabs 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · TwelveIterations/KleeSlabs 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.129,631,321 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.10.7 years, 177 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 34 latest files for recent Minecraft versions. See Security
    Total100 / 100

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

    Images

    • KleeSlabs in Action

    About

    KleeSlabs lets you break just the half of a double slab that you are looking at, rather than removing the whole block. It works with vanilla slabs and many modded slabs, including supported vertical-slab implementations such as Quark, Enchanted Vertical Slabs, and Nemo’s Vertical Slabs. You can configure the behavior to apply always, only while sneaking, or only when not sneaking; datapacks can also add compatible slabs that are not detected automatically.

    Written from Modrinth . 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.

    Often used with it

    See all 30
    NetherPortalFixACooking for BlockheadsAAttributeFixAFastWorkbenchBCrafting TweaksA

    Details

    Creator
    BlayTheNinth
    License
    All rights reserved
    Downloads
    129.6M
    Created
    16 Feb 2016
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , Discord

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    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 77 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.
      77 latest files: the newest file for each Minecraft version and loader. The answer above is about the 34 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.
      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 · All 34 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 34 files, for recent Minecraft versions. See each file in Releases
    • 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, code history and pull requests 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 · 8 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
      304 commits read
    • Pull requestsThe recent pull requests, comments, topics and README of the GitHub repository.
      Nothing found
      14 pull requests read
    • 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
      40 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
      1 image read
    • Icon and galleryThe metadata of the original icon and gallery images of the project.
      Nothing found
      2 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
      22 code files read

    Compatibility

    See all 177 files
    Fabric
    NeoForge
    Forge
    Loader not stated
    1.71.101.151.1926.1

    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 on the server. If your game has it too, you get extra features.
    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.
    Fabric APIin some filesABalmA
    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 KleeSlabs to work.

    ProjectTypeDownloadsGrade
    F.S. Co. Banira Pack83%Modpack: 83% of its graded mods are A or BModpack1.2K downloadsSpecter's ModTopia68%Modpack: 68% of its graded mods are A or BModpack159 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    5002500
    Oct 2024: 337 modpacksNov 2024: 317 modpacksDec 2024: 331 modpacksJan 2025: 334 modpacksFeb 2025: 351 modpacksMar 2025: 372 modpacksApr 2025: 384 modpacksMay 2025: 379 modpacksJun 2025: 364 modpacksJul 2025: 338 modpacksAug 2025: 354 modpacksSep 2025: 326 modpacksOct 2025: 343 modpacksNov 2025: 361 modpacksDec 2025: 388 modpacksJan 2026: 416 modpacksFeb 2026: 376 modpacksMar 2026: 365 modpacksApr 2026: 341 modpacksMay 2026: 393 modpacksJun 2026: 373 modpacksJul 2026: 397 modpacksAug 2026: 375 modpacksSep 2026: 389 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024337
    Nov 2024317
    Dec 2024331
    Jan 2025334
    Feb 2025351
    Mar 2025372
    Apr 2025384
    May 2025379
    Jun 2025364
    Jul 2025338
    Aug 2025354
    Sep 2025326
    Oct 2025343
    Nov 2025361
    Dec 2025388
    Jan 2026416
    Feb 2026376
    Mar 2026365
    Apr 2026341
    May 2026393
    Jun 2026373
    Jul 2026397
    Aug 2026375
    Sep 2026389

    10,849 modpacks include KleeSlabs in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better MC [FORGE] - BMC421.1M downloadslast version with it 9 Oct 2026Prominence™ II: Hasturian Era15.4M downloadslast version with it 23 Oct 2026SkyFactory 414.2M downloadslast version with it 13 Dec 2021SevTech: Ages7.2M downloadslast version with it 17 Dec 2021FTB Presents SkyFactory 36.8M downloadslast version with it 10 Dec 2021All the Mods 6 - ATM66.5M downloadslast version with it 22 Dec 2020Better MC [FABRIC] - BMC25.9M downloadslast version with it 24 Jan 2026Better MC [FORGE] BMC15.8M downloadslast version with it 22 Jun 2025StoneBlock5M downloadslast version with it 11 Oct 2026FTB Presents Stoneblock 24.4M downloadslast version with it 28 Oct 2019
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    NetherPortalFixAModin 54% of the modpacks with KleeSlabsCooking for BlockheadsAModin 43% of the modpacks with KleeSlabsAttributeFixAModin 42% of the modpacks with KleeSlabsFastWorkbenchBModin 41% of the modpacks with KleeSlabsCrafting TweaksAModin 40% of the modpacks with KleeSlabsElevatorModAModin 39% of the modpacks with KleeSlabsImmersive EngineeringCModin 39% of the modpacks with KleeSlabsAI Improvements: Performance TuningAModin 38% of the modpacks with KleeSlabsBotaniaAModin 37% of the modpacks with KleeSlabssparkAModin 37% of the modpacks with KleeSlabs
    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
    26.3·Fabric26.3.0.226.3.0.2 · kleeslabs-fabric-26.3-26.3.0.2.jarSends: None foundRequires:Fabric API, BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge26.3.0.226.3.0.2 · kleeslabs-neoforge-26.3-26.3.0.2.jarSends: None foundRequires:BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric26.2.0.126.2.0.1 · kleeslabs-fabric-26.2-26.2.0.1.jarSends: None foundRequires:Balm, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge26.2.0.126.2.0.1 · kleeslabs-neoforge-26.2-26.2.0.1.jarSends: None foundRequires:BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric26.1.0.126.1.0.1 · kleeslabs-fabric-26.1-26.1.0.1.jarSends: None foundRequires:Balm, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·NeoForge26.1.0.126.1.0.1 · kleeslabs-neoforge-26.1-26.1.0.1.jarSends: None foundRequires:BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric21.11.321.11.3 · kleeslabs-fabric-1.21.11-21.11.3.jarSends: None foundRequires:Balm, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge21.11.321.11.3 · kleeslabs-neoforge-1.21.11-21.11.3.jarSends: None foundRequires:BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Forge21.11.321.11.3 · kleeslabs-forge-1.21.11-21.11.3.jarSends: None foundRequires:BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.10·Fabric21.10.221.10.2 · kleeslabs-fabric-1.21.10-21.10.2.jarSends: None foundRequires:Fabric API, BalmPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 7712345…8

    177 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge26.3.0.226.3.0.2 · kleeslabs-neoforge-26.3-26.3.0.2.jar (main file)·25 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 279.0 KB
    26.3The latest file for its Minecraft version and loader·Fabric26.3.0.226.3.0.2 · kleeslabs-fabric-26.3-26.3.0.2.jar (main file)·25 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 285.3 KB
    26.3·NeoForge26.3.0.126.3.0.1 · kleeslabs-neoforge-26.3-26.3.0.1.jar (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 279.0 KB
    26.3·Fabric26.3.0.126.3.0.1 · kleeslabs-fabric-26.3-26.3.0.1.jar (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 285.3 KB
    1.18 to 1.18.21.18 to 1.18.2The latest file for its Minecraft version and loader·Fabric11.0.011.0.0 · 1.18.1-kleeslabs-fabric-1.18-11.0.0.jar·31 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 277.1 KB
    1.17.1The latest file for its Minecraft version and loader·Fabric10.0.0-010.0.0-0 · 1.17.1-kleeslabs-fabric-10.0.0+0.jar·31 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 277.5 KB
    26.2The latest file for its Minecraft version and loader·Fabric26.2.0.126.2.0.1 · kleeslabs-fabric-26.2-26.2.0.1.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 285.4 KB
    26.2The latest file for its Minecraft version and loader·NeoForge26.2.0.126.2.0.1 · kleeslabs-neoforge-26.2-26.2.0.1.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 279.0 KB
    1.21.1The latest file for its Minecraft version and loader·Forge21.1.1121.1.11 · kleeslabs-forge-1.21.1-21.1.11.jar (main file)·29 May 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 302.3 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge21.1.1121.1.11 · kleeslabs-neoforge-1.21.1-21.1.11.jar (main file)·29 May 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 303.0 KB
    1.21.1The latest file for its Minecraft version and loader·Fabric21.1.1121.1.11 · kleeslabs-fabric-1.21.1-21.1.11.jar (main file)·29 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 307.9 KB
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·Forge15.0.1215.0.12 · kleeslabs-forge-1.20.1-15.0.12.jar (main file)·29 May 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 302.9 KB
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·Fabric15.0.1215.0.12 · kleeslabs-fabric-1.20.1-15.0.12.jar (main file)·29 May 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 306.0 KB
    1.21.1·Forge21.1.1021.1.10 · kleeslabs-forge-1.21.1-21.1.10.jar (main file)·22 Apr 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 300.6 KB
    1.21.1·NeoForge21.1.1021.1.10 · kleeslabs-neoforge-1.21.1-21.1.10.jar (main file)·22 Apr 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 301.3 KB
    1.21.1·Fabric21.1.1021.1.10 · kleeslabs-fabric-1.21.1-21.1.10.jar (main file)·22 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 304.0 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·NeoForge26.1.0.126.1.0.1 · kleeslabs-neoforge-26.1-26.1.0.1.jar (main file)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 276.2 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric26.1.0.126.1.0.1 · kleeslabs-fabric-26.1-26.1.0.1.jar (main file)·24 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 282.8 KB
    1.21.1·Forge21.1.921.1.9 · kleeslabs-forge-1.21.1-21.1.9.jar (main file)·14 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 300.5 KB
    1.21.1·NeoForge21.1.921.1.9 · kleeslabs-neoforge-1.21.1-21.1.9.jar (main file)·14 Jan 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 301.2 KB
    1 to 20 of 17712345…9

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.2

    • kleeslabs-fabric-1.20.1-15.0.11.jar13 Jan 2026Fixed incorrect space in filename causing Gardens of the Dead…
    • kleeslabs-fabric-1.21.1-21.1.6.jar17 Jul 2025Fixed rare crash on singleplayer with many slabs…