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

    Skill Slots (Forge)

    Mod

    Adds player skill slots for item-based skills for mods and modpacks.

    D58/ 100
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.1
    • ModpacksIn 10
    • ReleasesLatest Mar 2025

    Download

    SkillSlots-1.20.1-forge-2.1.1.jar

    Released 8 Mar 2025 · 393.4 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code

    Points lost

    • No release in 20 months−20 points
    • Releases in only 1 of the last 24 months−5 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      17 points lost10 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.20 months ago (8 Mar 2025) 0 / 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 and NeoForge. 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 1 of the last 24 months 1 / 6

    • 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.2 of the 8 modpacks with two or more versions removed it in a later one (25%) 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

      Full points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Snownee/SkillSlots 7 / 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.321,791 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.1 years, 5 releases 0 / 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
    Total58 / 100

    35.1 of the 61 points that apply = 58 out of 100. The points above are rounded to whole numbers.

    Images

    • demo

    About

    Skill Slots is a library mod that adds player skill slots alongside the hotbar, letting players assign items and activate their right-click behavior with a keybind. Modpack makers and players can define custom skills with KubeJS or Java, while items that already have right-click behavior can be used directly as skills. Skills can be configured with a use duration, icon scale, and charge-complete sound; they can also be made toggleable passive skills that players activate or deactivate. The number of unlocked slots can be set in code or increased with the mod's Slot Unlock item, and configuration can prevent players from changing their assigned skills.

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

    In-game changes

    Changes the game's code in 3 areas: PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls., Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds 1 item: Slot Unlock; 4 sounds: Hover, Potion Charge Complete, Use Long and Use Short; 1 recipe.

    Counted from the names and data files in the mod, so the list may not be complete.

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

    Details

    Creator
    Snownee
    License
    Not known
    Downloads
    322K
    Created
    16 Jul 2023
    Official page
    CurseForge
    Links
    Source code

    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 · Both 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.
      2 latest files: the newest file for each Minecraft version and loader. The answer above is about the one 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 so far that AI was used to make it

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

    We have not read its 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.
      Not on Modrinth.
    • 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
      2 of 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.
      Nothing found
      2 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      6 sounds 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
      30 code files read

    Compatibility

    See all 5 files
    NeoForge
    Forge
    1.191.2126.1

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

    Related projects

    Projects that need Skill Slots (Forge) to work.

    ProjectTypeDownloadsGrade
    EverPotion ⚗️ (Forge)EMod237K downloadsSkillslots AddonDMod722 downloads

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Skill Slots (Forge) in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    SUPERIOR - RPG513K downloadslast version with it 30 Jun 2026Finality Genesis5.1K downloadslast version with it 16 Jun 2024Sonic Block FF3.5K downloadslast version with it 15 Jul 2025GregTech: A New Generation2.5K downloadslast version with it 18 Dec 2024Finality Genesis - 20011.7K downloadslast version with it 26 Sep 2024Finality Mote818 downloadslast version with it 11 Mar 2025Project Azura261 downloadslast version with it 26 Oct 2023FondlCraft91 downloadslast version with it 19 Aug 2024Dragonbound-AgeofBeasts82 downloadslast version with it 10 Oct 2026Nero's RPG Pack40 downloadslast version with it 10 Dec 2024

    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 to 1.20.1·NeoForge, Forge2.1.12.1.1 · SkillSlots-1.20.1-forge-2.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Forge1.0.61.0.6 · SkillSlots-1.19.2-forge-1.0.6.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    5 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·NeoForge, Forge2.1.12.1.1 · SkillSlots-1.20.1-forge-2.1.1.jar·8 Mar 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 393.4 KB
    1.20 to 1.20.11.20 to 1.20.1·Forge2.1.02.1.0 · SkillSlots-1.20.1-forge-2.1.0.jar·14 Feb 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 393.2 KB
    1.20 to 1.20.11.20 to 1.20.1·Forge2.0.22.0.2 · SkillSlots-1.20.1-forge-2.0.2.jar·10 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 393.0 KB
    1.19.2The latest file for its Minecraft version and loader·Forge1.0.61.0.6 · SkillSlots-1.19.2-forge-1.0.6.jar·10 Jan 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 393.6 KB
    1.19.2·Forge1.0.51.0.5 · SkillSlots-1.19.2-forge-1.0.5.jar·6 Sep 2023PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 392.8 KB