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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.

    Kilt

    Mod

    Lets you run Forge and NeoForge mods with Fabric.

    A94/ 100
    • OverviewA
    • SecurityPassed
    • PrivacySends data
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 57
    • ReleasesLatest 24 Oct

    Download

    Kilt-21.1.17.jar

    Released 24 Oct 2026 · 34.6 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric Language KotlinAMinecraft 1.21.1 · Fabric (release kotlin.2.4.21)
    • Fabric APIAMinecraft 1.21.1 · Fabric (release 0.116.17)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Some modpacks removed it−3 points
    • Under 5 million downloads−1 point
    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.Today (24 Oct 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 Fabric. 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 13 of the last 24 months 6 / 6
    • Stability

      3 points lost19 / 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.8 of the 41 modpacks with two or more versions removed it in a later one (20%) See the 8 modpacks7 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.4 of its 34 releases in 2 years needed a quick fix (12%) 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 of the 11 known conflicts count in the grade See the 11 known conflicts5 / 5
    • Transparency

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

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.346,402 3 / 4
    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.16 months, 40 releases 8 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 3 latest files for recent Minecraft versions. See Security
    Total94 / 100

    66.7 of the 71 points that apply = 94 out of 100. The points above are rounded to whole numbers.

    Images

    • Twilight Forest (Ur-Ghast)
    • Twilight Forest (Naga)
    • Quark
    • Alex's Mobs
    • Create Aeronautics

    About

    Kilt is a bridge mod that lets users load NeoForge and Forge mods in a Fabric Loader instance, extending Fabric setups with mods that were made for the Forge ecosystem. It recreates Forge Mod Loader functionality for Fabric and bridges Forge APIs with Fabric-native APIs to support compatibility. To adapt mods for Fabric, Kilt remaps them from Forge’s SRG format to Fabric’s Intermediary format and applies fixers to address differences in the environment. Examples shown working with Kilt include Quark, Alex’s Mobs, Twilight Forest, and Create Aeronautics. Compatibility is not guaranteed, and the project describes itself as highly experimental and warns that it can cause crashes or break worlds.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 16 areas, as a library other mods build on: Mobs and their behaviorChanges 146 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Inventory and itemsChanges 101 game code files in this area: items, chests and other containers, crafting and enchanting., Blocks and fluidsChanges 95 game code files in this area: how blocks, fluids and redstone work., Rendering and graphicsChanges 94 game code files in this area: drawing mobs, items, particles and textures on screen., User interfaceChanges 58 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay., Server and world logicChanges 55 game code files in this area: the world, commands, scoreboards, saved data and game rules., Game data and resourcesChanges 51 game code files in this area: recipes, tags, advancements, language files and other game data., Networking and multiplayerChanges 49 game code files in this area: connections, the server list and what is sent between your game and a server., Game coreChanges 48 game code files in this area: the main loop, lighting and other code the whole game uses., World renderingChanges 30 game code files in this area: drawing the terrain, sky, clouds and weather., World generationChanges 21 game code files in this area: terrain, biomes and structures made when new land is created., Chunk loading and storageChanges 16 game code files in this area: how the game loads, tracks, saves and unloads chunks., PlayerChanges 10 game code files in this area: your character: movement, abilities, hunger and controls., Game optionsChanges 7 game code files in this area: settings, key bindings and the option screens., SoundChanges 4 game code files in this area: playing sounds, music and the sound engine. and Other game codeChanges 8 game code files in this area: game code that is not in one of the areas above..

    Libraries packed inside it change 27 more game code files: Porting Lib Base, Porting Lib Entity, Porting Lib Blocks and 29 more.

    Adds 1 item: Area Selector; 2 sounds: Item Bucket Empty Milk and Item Bucket Fill Milk.

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

    Replaces 190 of vanilla Minecraft's recipes, 27 loot tables and 5 advancements.

    Often used with it

    See all 30
    Mod MenuALithiumAFerriteCoreAFarmer's Delight RefabricatedADynamic FPSA

    Details

    Creators
    BluSpring and alphamode
    License
    GNU Lesser General Public License v2.1 only
    Downloads
    346K
    Created
    4 Jul 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , Discord

    Security

    No harmful code found

    We checked its files without running them.

    What it can do on your computer

    Can update itself
    It can add or replace files in your mods folder, for example to update itself.
    Can download and run new code
    The same part of the code can download data and run it as code. Auto-updaters do this, and so does malware. Found in Knit Loader, a library it includes and in AsmFabricLoader, a library it includes.Not a Warning: only reading its code can show what it downloads, and we have not read the code of this file yet.
    Starts other programs
    It can start another program on your computer, for example to open a link in your browser. Found in nashorn-core, a library it includes.
    Uses folders outside the game
    It can read or write files outside your Minecraft folder, on the rest of your computer. Found: your user folder and the temporary files folder.
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 6 files 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. Found in the mod's own code, in code libraries built into it and in 37 libraries it includes. 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 3 latest files checked, last on 24 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.
      3 latest files: the newest file for each Minecraft version and loader. All 3 are 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 in 2 of 3 files, 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.
    • Starts other programs
      Purpose not known.
    • Uses folders outside the game
      Uses the temporary files folder.Uses the system folder for application data.
    • Connects to the internet
      maven.createmod.net
    • Looked for, not foundWe looked for these in the file and did not find them.
      The webcam or microphone, an AI service.

    Privacy

    Sends system details

    Sent to an address built while the game runs.

    Only some of its files send system details.

    We found this in its code, read without running it.

    We have read the code of 2 of its 3 files for recent versions.

    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 · 2 of 3 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 2 of 3 files, for recent Minecraft versions. See each file in Releases
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Checks for a new version of the mod.Explained by AI (may be wrong)Explained by an AI from the code. May be wrong.
      System details (operating system, Java version)
    • 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 and images 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.
      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
      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
      14 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
      2,160 code files read

    Compatibility

    See all 40 files
    Fabric
    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.Works in your game or on a server. With both, 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 Language KotlinAFabric APIA
    OptionalProjects it can work with but does not need. The author lists them.
    Mod MenuAIndiumin some files-Sodiumin some filesA
    IncludesProjects packed inside its files.
    ModMenu Badges Libin some filesAPorting LibB
    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.

    Known conflicts

    These projects do not work together with Kilt: their authors or Kilt's author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as Kilt, so you only need one.

    ProjectTypeDownloadsDeclared by
    Iris ShadersMod337.4M downloadsdeclared by KiltEmbeddiumMod191.1M downloadsdeclared by KiltNolijiumMod13.1M downloadsdeclared by KiltAsyncMod818K downloadsdeclared by KiltEmbeddium - Au Naturel EditMod146K downloadsdeclared by KiltEmberbiumMod72K downloadsdeclared by KiltLuxium: Let there be lightMod43K downloadsdeclared by KiltPrismaniumMod1.3K downloadsdeclared by KiltRyoamiumMod1.3K downloadsdeclared by KiltXenon DebloatedMod956 downloadsdeclared by Kilt
    1 to 10 of 1112

    Related projects

    Projects that need Kilt to work.

    ProjectTypeDownloadsGrade
    BakeriesAMod398K downloadsKilt-ForgeConfigAPIPort-Fix-Mod45K downloadsVS: Collision damageCMod4.5K downloadsExplosives Expanded-Mod1.8K downloadsRefined Netherite-Mod1.4K downloadsThe Ore Is A Lie!-Mod1.2K downloadsWeaveCMod975 downloadseesaBMod868 downloadsElectrodynamicKiltFixDMod86 downloadsAmendments Kilt FixCData pack61 downloads

    Modpacks using this project

    Find modpacks with it

    57 modpacks include Kilt in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    NEEPMeat Official Modpack35K downloadslast version with it 5 Feb 2026[MUC] MTR Urban Construction23K downloadslast version with it 4 Dec 2025Hexwoven9.5K downloadslast version with it 1 Oct 2026Tacz Enhance8.9K downloadslast version with it 24 Oct 2026Immersive Wither Storm Fabric7.4K downloadslast version with it 1 May 2026New Vanilla7.1K downloadslast version with it 1 Aug 2025Custom BattleRoyale Complete6.3K downloadslast version with it 21 Jan 2026B i o m e c h 4.3K downloadslast version with it 29 May 2026Shattered Reality3.4K downloadslast version with it 14 Apr 2026Nomurras Terror3.2K downloadslast version with it 6 Jul 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Mod MenuAModin 81% of the modpacks with KiltLithiumAModin 77% of the modpacks with KiltFerriteCoreAModin 75% of the modpacks with KiltFarmer's Delight RefabricatedAModin 58% of the modpacks with KiltDynamic FPSAModin 54% of the modpacks with KiltReese's Sodium OptionsAModin 49% of the modpacks with KiltSodium ExtraAModin 42% of the modpacks with KiltBadOptimizationsAModin 40% of the modpacks with KiltDistant HorizonsBModin 39% of the modpacks with KiltAccessoriesAModin 37% of the modpacks with Kilt
    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·Fabric21.1.1721.1.17 · Kilt-21.1.17.jarSends: Not read yetRequires:Fabric Language Kotlin, Fabric APIFabric Language Kotlin, Fabric APIPassedOur checks found nothing harmful in this file.
    1.21.1·Fabric21.1.1521.1.15 · Kilt-21.1.15.jarSends: System detailsRequires:Fabric Language Kotlin, Fabric APIFabric Language Kotlin, Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric20.1.2120.1.21 · Kilt-20.1.21.jarSends: Nothing about youRequires:Fabric API, Fabric Language KotlinFabric API, Fabric Language KotlinPassedOur checks found nothing harmful in this file. Its code was read too.

    40 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·Fabric21.1.1721.1.17 · Kilt-21.1.17.jar (main file)·24 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 34.6 MB
    1.21.1·Fabric21.1.1621.1.16 · Kilt-21.1.16.jar (main file)·23 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 34.6 MB
    1.21.1The latest file for its Minecraft version and loader·Fabric21.1.1521.1.15 · Kilt-21.1.15.jar (main file)·6 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.6 MB
    1.21.1·Fabric21.1.1421.1.14 · Kilt-21.1.14.jar (main file)·30 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.6 MB
    1.21.1·Fabric21.1.1321.1.13 · Kilt-21.1.13.jar (main file)·20 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.6 MB
    1.20.1The latest file for its Minecraft version and loader·Fabric20.1.2120.1.21 · Kilt-20.1.21.jar (main file)·20 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.5 MB
    1.20.1·Fabric20.1.2020.1.20 · Kilt-20.1.20.jar (main file)·25 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.5 MB
    1.21.1·Fabric21.1.1221.1.12 · Kilt-21.1.12.jar (main file)·25 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.6 MB
    1.21.1·Fabric21.1.1121.1.11 · Kilt-21.1.11.jar (main file)·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.4 MB
    1.20.1·Fabric20.1.1920.1.19 · Kilt-20.1.19.jar (main file)·31 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.5 MB
    1.21.1·Fabric21.1.1021.1.10 · Kilt-21.1.10.jar (main file)·31 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.4 MB
    1.21.1·Fabric21.1.921.1.9 · Kilt-21.1.9.jar (main file)·17 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.20.1·Fabric20.1.1820.1.18 · Kilt-20.1.18.jar (main file)·17 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.5 MB
    1.21.1·Fabric21.1.821.1.8 · Kilt-21.1.8.jar (main file)·17 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.21.1·Fabric21.1.721.1.7 · Kilt-21.1.7.jar (main file)·9 Jul 2026Not checkedWe have not checked this file yet.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.21.1·Fabric21.1.621.1.6 · Kilt-21.1.6.jar (main file)·8 Jul 2026Not checkedWe have not checked this file yet.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.21.1·Fabric21.1.521.1.5 · Kilt-21.1.5.jar (main file)·2 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.21.1·Fabric21.1.421.1.4 · Kilt-21.1.4.jar (main file)·23 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.21.1·Fabric21.1.321.1.3 · Kilt-21.1.3.jar (main file)·18 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.20.1·Fabric20.1.1720.1.17 · Kilt-20.1.17.jar (main file)·18 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.5 MB
    1 to 20 of 4012

    Quick fixes

    In the last 2 years, 4 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.4

    • 21.1.1724 Oct 2026HOTFIX! Update from 21.1.16 immediately. Changes…
    • 21.1.79 Jul 2026Fixes - Fix Styled Nicknames breaking with Kilt installed…
    • 21.1.215 Jun 2026…bridge exception. NeoForge Mod Fixes - Fixed Iron's Spells and Spellbooks + SecurityCraft…
    • 21.1.114 Jun 2026Fixes - Fixed dedicated server not working with Kilt…