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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.

    EntityJS

    Mod

    Create custom mobs with their own behaviors, animations, and spawning.

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 592
    • ReleasesLatest 30 Sep

    Download

    entityjs-1.5.2.jar

    Released 30 Sep 2026 · 3.5 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • KubeJSAMinecraft 1.21.1 · NeoForge (release 2101.7.2-build.377)
    • GeckolibAMinecraft 1.21.1 · NeoForge (release 4.9.3)
    • RhinoNeeded by KubeJSAMinecraft 1.21.1 · NeoForge (release 2101.2.7-build.85-Rhino)
    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
    • 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.3 weeks ago (30 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.1.21.1 on NeoForge, 1.20.1 on Forge and 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 17 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.27 of the 367 modpacks with two or more versions removed it in a later one (7%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.3 of its 52 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 · liopyu/EntityJs 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · liopyu/EntityJS 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.12,439,972 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.7 years, 209 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
    Total100 / 100

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

    Images

    • Wyrm
    • Sasuke
    • Custom Arrows
    • Projectile Entity
    • Spawn Control

    About

    EntityJS is a KubeJS addon for building and configuring custom Minecraft entities with JavaScript, as well as modifying existing vanilla or modded entities. Its entity builders cover living mobs, pathfinding and ageable or tamable creatures, aquatic and non-living entities, arrows, and projectiles, with options to copy existing entity classes or define custom behavior. Scripts can set attributes such as health, speed, and damage, control spawning by conditions including biome, light level, and time of day, and adjust spawn rates and locations. AI customization can add or remove action and targeting goals, or configure an entity’s brain, memory, activities, and sensing behavior. For animated entities, EntityJS supports Geckolib-style models and animation controllers, which can switch between looping or triggered animations in response to entity state or events. Custom projectiles can have tailored movement, rendering, collision effects, and callbacks, while custom arrows can be configured for combat behavior. With the separate KubeJS Iron’s Spells integration, scripts can create spellcasting mobs, attach spellcasting AI, and control custom spell projectiles.

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

    In-game changes

    Changes the game's code in 3 areas, as a library other mods build on: Mobs and their behaviorChanges 5 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Rendering and graphicsChanges 2 game code files in this area: drawing mobs, items, particles and textures on screen. and Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server..

    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
    Packet FixerAAttributeFixALootJS: KubeJS AddonAMmmMmmMmmMmmAsparkA

    Details

    Creators
    Notenoughmail and Liopyu
    License
    GNU General Public License v3.0 only
    Downloads
    12.4M
    Created
    24 Feb 2024
    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

    Uses folders outside the game
    It can read or write files outside your Minecraft folder, on the rest of your computer. Only in its files for NeoForge 1.21 to 1.21.1.
    Starts other programs
    It can start another program on your computer, for example to open a link in your browser.

    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 7 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.
      7 latest files: the newest file for each Minecraft version and loader. The answer above is about the 3 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.
    • Starts other programs
      Purpose not known.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, 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 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 all 3 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 and code history 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 · 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.
      Nothing found
    • 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
      7 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
      415 code files read

    Compatibility

    See all 209 files
    Fabric
    NeoForge
    Forge
    1.191.2126.1

    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 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.
    KubeJSon NeoForgeAGeckolibA
    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 1.21.1. Many recently updated mods still support 1.21.1.

    Related projects

    Projects that need EntityJS to work.

    ProjectTypeDownloadsGrade
    Darkside Of Anur (Alien Evo Addon)DMod151K downloadsStand-Bound (A Palladium Addon)CMod3.1K downloadsPortals +EMod2.9K downloadsHeroes RisingEMod1.9K downloadsStand-BoundDMod891 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    100500
    Oct 2024: 13 modpacksNov 2024: 13 modpacksDec 2024: 12 modpacksJan 2025: 15 modpacksFeb 2025: 23 modpacksMar 2025: 24 modpacksApr 2025: 31 modpacksMay 2025: 37 modpacksJun 2025: 34 modpacksJul 2025: 54 modpacksAug 2025: 51 modpacksSep 2025: 56 modpacksOct 2025: 68 modpacksNov 2025: 82 modpacksDec 2025: 79 modpacksJan 2026: 83 modpacksFeb 2026: 79 modpacksMar 2026: 88 modpacksApr 2026: 83 modpacksMay 2026: 91 modpacksJun 2026: 80 modpacksJul 2026: 77 modpacksAug 2026: 84 modpacksSep 2026: 57 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202413
    Nov 202413
    Dec 202412
    Jan 202515
    Feb 202523
    Mar 202524
    Apr 202531
    May 202537
    Jun 202534
    Jul 202554
    Aug 202551
    Sep 202556
    Oct 202568
    Nov 202582
    Dec 202579
    Jan 202683
    Feb 202679
    Mar 202688
    Apr 202683
    May 202691
    Jun 202680
    Jul 202677
    Aug 202684
    Sep 202657

    More modpacks put it in their new versions than a year ago: 79 a month now, 44 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

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

    ModpackDownloadsLast version with it
    DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 17 Jul 2026FTB StoneBlock 43M downloadslast version with it 21 Oct 2026Craft to Exile 2 - 2.0 Atlas Update2.8M downloadslast version with it 10 Sep 2026BigChadGuys Plus2.4M downloadslast version with it 14 Oct 2026MC Eternal 21.9M downloadslast version with it 16 Sep 2026Society: Sunlit Valley1.6M downloadslast version with it 7 Oct 2026Linggango - [V6.5 IS OUT]1.3M downloadslast version with it 30 Apr 2026Ascendra666K downloadslast version with it 7 Oct 2026Raspberry Flavoured534K downloadslast version with it 23 Aug 2026SUPERIOR - RPG513K downloadslast version with it 30 Jun 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Packet FixerAModin 64% of the modpacks with EntityJSAttributeFixAModin 61% of the modpacks with EntityJSLootJS: KubeJS AddonAModin 56% of the modpacks with EntityJSMmmMmmMmmMmmAModin 55% of the modpacks with EntityJSsparkAModin 55% of the modpacks with EntityJSAmendmentsAModin 52% of the modpacks with EntityJSSophisticated StorageAModin 49% of the modpacks with EntityJSConnectivityAModin 49% of the modpacks with EntityJSSodium Dynamic LightsCModin 47% of the modpacks with EntityJSAllTheLeaks (Memory Leak Fix)AModin 47% of the modpacks with EntityJS
    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 to 1.21.1·NeoForge1.5.21.5.2 · entityjs-1.5.2.jarSends: None foundRequires:KubeJS, GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Fabric0.7.50.7.5 · entityjs-fabric-0.7.5.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge, Forge0.7.50.7.5 · entityjs-forge-0.7.5.jarSends: None foundRequires:Geckolib, KubeJSPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Fabric0.2.80.2.8 · entityjs-0.2.8-1.19.2-fabric.jarSends: None foundRequires:KubeJS, LioLibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·NeoForge0.1.30.1.3 · entityjs-0.1.3-1.19.2.jarSends: None foundRequires:KubeJS, LioLibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·NeoForge0.0.30.0.3 · entityjs-0.0.3-1.19.2.jarSends: None foundRequires:KubeJS, LioLibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge0.5.00.5.0 · entityjs-0.5.0-1.19.2.jarSends: None foundRequires:LioLib, KubeJSPassedOur checks found nothing harmful in this file. Its code was read too.

    209 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·NeoForge1.5.21.5.2 · entityjs-1.5.2.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 · 3.5 MB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge0.7.50.7.5 · entityjs-forge-0.7.5.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 · 3.5 MB
    1.20.1The latest file for its Minecraft version and loader·Fabric0.7.50.7.5 · entityjs-fabric-0.7.5.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 · 3.5 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.5.11.5.1 · entityjs-1.5.1.jar (main file)·29 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Forge, NeoForge0.7.40.7.4 · entityjs-forge-0.7.4.jar (main file)·29 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Fabric0.7.40.7.4 · entityjs-fabric-0.7.4.jar (main file)·29 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.5.01.5.0 · entityjs-1.5.0.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Forge, NeoForge0.7.30.7.3 · entityjs-forge-0.7.3.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Fabric0.7.30.7.3 · entityjs-fabric-0.7.3.jar (main file)·30 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.4.91.4.9 · entityjs-1.4.9.jar (main file)·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Forge, NeoForge0.7.20.7.2 · entityjs-forge-0.7.2.jar (main file)·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Fabric0.7.20.7.2 · entityjs-fabric-0.7.2.jar (main file)·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Forge, NeoForge0.7.10.7.1 · entityjs-0.7.1.jar (main file)·21 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.3 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.4.81.4.8 · entityjs-1.4.8.jar (main file)·21 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.4.71.4.7 · entityjs-1.4.7.jar (main file)·4 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.5 MB
    1.20.1·Forge, NeoForge0.7.00.7.0 · entityjs-0.7.0.jar (main file)·4 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.3 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.4.61.4.6 · entityjs-1.4.6-1.21.jar (main file)·20 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1.20.1·Forge, NeoForge0.6.90.6.9 · entityjs-0.6.9-1.20.1.jar (main file)·20 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1.21 to 1.21.11.21 to 1.21.1·NeoForge1.4.51.4.5 · entityjs-1.4.5-1.21.jar (main file)·23 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.20.1·Forge, NeoForge0.6.70.6.7 · entityjs-0.6.7-1.20.1.jar (main file)·23 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1 to 20 of 20912345…11

    Quick fixes

    In the last 2 years, 3 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.3

    • entityjs-fabric-0.7.5.jar30 Sep 2026Fixed tamable entity StackOverflowError when no food predicate…
    • entityjs-1.4.1-1.21.jar15 Oct 2025Fixed a "casting to T" error when creating new move…
    • entityjs-0.5.3-1.20.1.jar11 Jun 2025Fixed casting error from Custom entity builder to…