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    2,053,304 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 2026.269,472 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.

    Corrosive Sculk

    Mod

    Sculk drains your health when you touch it or face its mobs.

    C73/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.4
    • ModpacksIn 50
    • ReleasesLatest 13 Apr

    Download

    corrosive_sculk-fabric-1.21.4-2.0.1.jar

    Released 13 Apr 2026 · 126.8 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 1.21.4 · Fabric (release 0.119.4)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker

    Points lost

    • No release in 6 months−8 points
    • Releases in only 1 of the last 24 months−5 points
    • Many modpacks removed it−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      10 points lost17 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.6 months ago (13 Apr 2026) 7 / 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.1.21.4 on NeoForge and Fabric, 1.20.1 on Forge. 15% or more of the popular 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.Releases in 1 of the last 24 months 1 / 6

    • Stability

      3 points lost12 / 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.9 of the 43 modpacks with two or more versions removed it in a later one (21%) See the 9 modpacks7 / 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 points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Hipposgrumm/corrosive-sculk 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Hipposgrumm/corrosive-sculk 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.97,789 3 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.2 years, 18 releases 5 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 7 latest files for recent Minecraft versions. See Security
    Total73 / 100

    46.7 of the 64 points that apply = 73 out of 100. The points above are rounded to whole numbers.

    Images

    • Title Image
    • Sculk vs Gloom Comparison
    • Sculk Resist Recipe
    • Woven Sculk Recipe
    • Woven Sculk Vein Recipe

    About

    Corrosive Sculk turns sculk into a health-draining hazard: contact with sculk blocks or attacks from sculk-themed mobs such as the Warden can inflict sculk damage, which temporarily reduces maximum health. The effect heals in natural skylight, while Sculk Resistance potions brewed with a Sculk Catalyst provide regenerating reserve hearts that absorb sculk damage; glowstone can raise the potion through three tiers. Sculk Tolerance is an enchantment found in ancient cities that slows the interval between sculk damage, and can be applied to humanoid, horse, and wolf armor. For building, wool can be combined with sculk blocks or veins to make visually matching Woven Sculk versions that do not cause damage. The mod also supports configuring which blocks and entities cause or receive sculk damage, including through data-driven entity settings and modpack options.

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

    In-game changes

    Changes the game's code in 3 areas: User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay., PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls. and Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act..

    Adds 2 blocks: Woven Sculk and Woven Sculk Vein; 1 enchantment: Sculk Tolerance; 3 sounds: Player Heart Sculk, Player Heart Sculk Return and Player Heart Sculk Warn; 4 recipes.

    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.

    Often used with it

    See all 30
    AmendmentsABlueprintASculk HordeAYUNG's Better Jungle TemplesAYUNG's Better Nether FortressesA

    Details

    Creator
    Hipposgrumm
    License
    MIT License
    Downloads
    98K
    Created
    1 Aug 2023
    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.

    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. 1 file in your config folder.
    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for NeoForge 1.21.1 to 1.21.4; Forge 1.20.1. See Privacy

    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 9 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.
      9 latest files: the newest file for each Minecraft version and loader. The answer above is about the 7 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.
      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 7 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 7 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 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 · 6 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.
      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
      32 of 36 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
      21 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
      3 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 18 files
    Fabric
    NeoForge
    Forge
    1.201.2126.126.3

    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 in your game and on the server, or you cannot join.
    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 APIon FabricA
    OptionalProjects it can work with but does not need. The author lists them.
    Mod Menuon FabricACloth Config APIin some filesA
    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.Its newest file is for 1.21.4. It has no file for the 6 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Related projects

    Projects that need Corrosive Sculk to work.

    ProjectTypeDownloadsGrade
    Corrosive Sculk : Carapace ResistanceCResource pack82 downloads

    Modpacks using this project

    Find modpacks with it

    50 modpacks include Corrosive Sculk in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Sculk Horde Survival - A Multiverse Adventure119K downloadslast version with it 6 Oct 2025Magitech Fantasia38K downloadslast version with it 2 Sep 2024Liminal Industries - Rescripted16K downloadslast version with it 19 Sep 2026Better Craft: Lineage11K downloadslast version with it 30 Mar 2024(V3 out now!) Terra Immundus - Sculk Horde7.4K downloadslast version with it 18 Sep 2025Alamaos' Code: SKULK4.1K downloadslast version with it 15 Feb 2025Evolved Sculk Apocalypse2.7K downloadslast version with it 6 Oct 2025Lost Sculk2.5K downloadslast version with it 10 Sep 2025Aetheros: Realms of Power2.2K downloadslast version with it 2 Dec 2025RPG Nexus: Hardcore Progression1.7K downloadslast version with it 19 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AmendmentsAModin 62% of the modpacks with Corrosive SculkBlueprintAModin 62% of the modpacks with Corrosive SculkSculk HordeAModin 58% of the modpacks with Corrosive SculkYUNG's Better Jungle TemplesAModin 58% of the modpacks with Corrosive SculkYUNG's Better Nether FortressesAModin 58% of the modpacks with Corrosive SculkYUNG's Better Desert TemplesAModin 56% of the modpacks with Corrosive SculkYUNG's Better Ocean MonumentsAModin 56% of the modpacks with Corrosive SculkYUNG's Better End IslandAModin 52% of the modpacks with Corrosive SculkSodium Dynamic LightsCModin 52% of the modpacks with Corrosive SculkAlex's CavesCModin 48% of the modpacks with Corrosive Sculk
    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
    1.21.4·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.21.4-2.0.1.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·NeoForge2.0.12.0.1 · corrosive_sculk-neoforge-1.21.4-2.0.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.21.1-2.0.1.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge2.0.12.0.1 · corrosive_sculk-neoforge-1.21.1-2.0.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.20.1-2.0.1.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20 to 1.20.1·NeoForge, Forge1.0.11.0.1 · corrosivesculk-1.20.1-1.0.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge2.0.12.0.1 · corrosive_sculk-forge-1.20.1-2.0.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20.5 to 1.20.6·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.20.5-2.0.1.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.5 to 1.20.6·NeoForge2.0.12.0.1 · corrosive_sculk-neoforge-1.20.5-2.0.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    18 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.20.1-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 123.2 KB
    1.20.1The latest file for its Minecraft version and loader·Forge2.0.12.0.1 · corrosive_sculk-forge-1.20.1-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 746.2 KB
    1.20.5 to 1.20.61.20.5 to 1.20.6The latest file for its Minecraft version and loader·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.20.5-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 128.4 KB
    1.20.5 to 1.20.61.20.5 to 1.20.6The latest file for its Minecraft version and loader·NeoForge2.0.12.0.1 · corrosive_sculk-neoforge-1.20.5-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 741.9 KB
    1.21.1The latest file for its Minecraft version and loader·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.21.1-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 128.1 KB
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.0.12.0.1 · corrosive_sculk-neoforge-1.21.1-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 741.8 KB
    1.21.4The latest file for its Minecraft version and loader·Fabric2.0.12.0.1 · corrosive_sculk-fabric-1.21.4-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 126.8 KB
    1.21.4The latest file for its Minecraft version and loader·NeoForge2.0.12.0.1 · corrosive_sculk-neoforge-1.21.4-2.0.1.jar (main file, 1 other file in this version not shown)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 740.4 KB
    1.21.1·Fabric2.0.02.0.0 · corrosive_sculk-fabric-1.21.1-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 127.9 KB
    1.21.4·NeoForge2.0.02.0.0 · corrosive_sculk-neoforge-1.21.4-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 740.2 KB
    1.21.4·Fabric2.0.02.0.0 · corrosive_sculk-fabric-1.21.4-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 126.6 KB
    1.21.1·NeoForge2.0.02.0.0 · corrosive_sculk-neoforge-1.21.1-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 741.6 KB
    1.20.5 to 1.20.61.20.5 to 1.20.6·NeoForge2.0.02.0.0 · corrosive_sculk-neoforge-1.20.5-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 741.7 KB
    1.20.5 to 1.20.61.20.5 to 1.20.6·Fabric2.0.02.0.0 · corrosive_sculk-fabric-1.20.5-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 128.2 KB
    1.20.1·Forge2.0.02.0.0 · corrosive_sculk-forge-1.20.1-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 746.0 KB
    1.20.1·Fabric2.0.02.0.0 · corrosive_sculk-fabric-1.20.1-2.0.0.jar (main file, 1 other file in this version not shown)·9 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 123.0 KB
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·Forge1.0.11.0.1 · corrosivesculk-1.20.1-1.0.1.jar (first file)·6 Aug 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 56.4 KB
    1.20 to 1.20.11.20 to 1.20.1·Forge1.01.0 · corrosivesculk-1.20.1-1.0.jar (first file)·1 Aug 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 56.1 KB