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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.

    Modular Force Field Systems

    Mod

    Forcefields that protect your base from players and mobs.

    B88/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 322
    • ReleasesLatest 14 Oct

    Download

    modularforcefields-1.21.1-0.6.1.jar

    Released 14 Oct 2026 · 1.2 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • VoltaicAMinecraft 1.21.1 · NeoForge (release 1.2.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    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
    • Widely used
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−5 points
    • Some modpacks removed it−3 points
    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.10 days ago (14 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 NeoForge, 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 8 of the last 24 months 6 / 6

    • Stability

      8 points lost14 / 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.55 of the 281 modpacks with two or more versions removed it in a later one (20%) See the 55 modpacks7 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.6 of its 20 releases in 2 years needed a quick fix (30%) See the 6 releases2 / 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 · aurilisdev/Modular-Forcefields 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · aurilisdev/Modular-Forcefields 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.522,547 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7.4 years, 73 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total88 / 100

    62.5 of the 71 points that apply = 88 out of 100. The points above are rounded to whole numbers.

    Images

    • mffs1.jpg
    • MFFS 1
    • MFFS 2
    • MFFS 3
    • MFFS 4

    About

    Modular Force Field Systems adds configurable forcefields for protecting a base from hostile players, mobs, and animals. Its systems include Fortron fields that can form large spheres, cubes, or pyramids, alongside an Interdiction Matrix and Fortron equipment such as a capacitor and field projector. A Biometric Identifier can mark selected players as friendly so the Interdiction Matrix does not harm them, while the mod also includes item confiscation.

    Written from Modrinth . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 6 blocks, 26 items and 37 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
    ElectrodynamicsAMekanism GeneratorsBNuclear ScienceABallistixAMekanism ToolsB

    Details

    Creators
    aurilisdev and skiprocks999
    License
    AURILISDEV LICENSE 1.0.2
    Downloads
    523K
    Created
    28 May 2019
    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. Only in its files for NeoForge 1.21.1.

    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 5 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.
      5 latest files: the newest file for each Minecraft version and loader. The answer above is about the 2 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 · Both 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 both 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 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
      40 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
      75 code files read

    Compatibility

    See all 73 files
    NeoForge
    Forge
    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 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.
    VoltaicA
    OptionalProjects it can work with but does not need. The author lists them.
    ElectrodynamicsA
    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.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 7 modpacksNov 2024: 8 modpacksDec 2024: 13 modpacksJan 2025: 7 modpacksFeb 2025: 8 modpacksMar 2025: 12 modpacksApr 2025: 9 modpacksMay 2025: 13 modpacksJun 2025: 13 modpacksJul 2025: 18 modpacksAug 2025: 19 modpacksSep 2025: 15 modpacksOct 2025: 15 modpacksNov 2025: 14 modpacksDec 2025: 14 modpacksJan 2026: 15 modpacksFeb 2026: 15 modpacksMar 2026: 17 modpacksApr 2026: 14 modpacksMay 2026: 12 modpacksJun 2026: 18 modpacksJul 2026: 15 modpacksAug 2026: 17 modpacksSep 2026: 13 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20247
    Nov 20248
    Dec 202413
    Jan 20257
    Feb 20258
    Mar 202512
    Apr 20259
    May 202513
    Jun 202513
    Jul 202518
    Aug 202519
    Sep 202515
    Oct 202515
    Nov 202514
    Dec 202514
    Jan 202615
    Feb 202615
    Mar 202617
    Apr 202614
    May 202612
    Jun 202618
    Jul 202615
    Aug 202617
    Sep 202613

    322 modpacks include Modular Force Field Systems in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Dysfunctional's Tech, Bombs, Guns, and War568K downloadslast version with it 13 Feb 2024Technical Electrical124K downloadslast version with it 15 Oct 2026Day of the Dead (Zombie Apocalypse)84K downloadslast version with it 16 Jul 2024Mystic's Monstrosity84K downloadslast version with it 3 Dec 2025Worldly Galaxies 4 | Multiplayer Questing Modpack (1200+ QUESTS)56K downloadslast version with it 13 Nov 2023Technical Electrical [NeoForge] - 1.21.144K downloadslast version with it 15 Oct 2026Voltz (Volts) Community Modpack (WITH OFFICIAL SERVER)40K downloadslast version with it 14 Feb 2023Avali/Furry Floofpack (DEPRICATED)31K downloadslast version with it 6 Feb 2024Mystic's Monstrosity - Greedy Edition30K downloadslast version with it 9 Jun 2026Ampz (Voltz for 1.21) (Official Server)29K downloadslast version with it 14 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Modular Force Field Systems. Share: how many of the modpacks with Modular Force Field Systems also have that mod.

    ProjectTypeShareGrade
    ElectrodynamicsAModin 93% of the modpacks with Modular Force Field SystemsMekanism GeneratorsBModin 76% of the modpacks with Modular Force Field SystemsNuclear ScienceAModin 75% of the modpacks with Modular Force Field SystemsBallistixAModin 71% of the modpacks with Modular Force Field SystemsMekanism ToolsBModin 69% of the modpacks with Modular Force Field SystemsImmersive EngineeringCModin 60% of the modpacks with Modular Force Field SystemsBlastcraftAModin 54% of the modpacks with Modular Force Field SystemsSecurityCraftAModin 54% of the modpacks with Modular Force Field SystemsIndustrial ForegoingAModin 53% of the modpacks with Modular Force Field SystemsRefined StorageBModin 53% of the modpacks with Modular Force Field Systems
    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·NeoForge0.6.10.6.1 · modularforcefields-1.21.1-0.6.1.jarSends: None foundRequires:VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge, Forge0.5.20.5.2 · Modular Forcefields-1.20.1-0.5.2.jarSends: None foundRequires:VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·NeoForge, Forge0.5.20.5.2 · Modular Forcefields-1.19.2-0.5.2.jarSends: None foundRequires:VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge0.0.3-10.0.3-1 · Modular Forcefields-1.18.2-0.0.3-1.jarSends: None foundRequires:VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    1.7.10·Not stated1.5.6-41.5.6-4 · PhysicaForcefield-1.7.10-1.5.6-0.jarSends: None foundRequires:ElectrodynamicsPassedOur checks found nothing harmful in this file. Its code was read too.

    73 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge0.6.10.6.1 · modularforcefields-1.21.1-0.6.1.jar (main file)·14 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.2 MB
    1.21.1·NeoForge0.6.00.6.0 · modularforcefields-1.21.1-0.6.0.jar (main file)·12 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.2 MB
    1.19.2The latest file for its Minecraft version and loader·Forge, NeoForge0.5.20.5.2 · Modular Forcefields-1.19.2-0.5.2.jar (main file)·16 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 849.9 KB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge0.5.20.5.2 · Modular Forcefields-1.20.1-0.5.2.jar (main file)·16 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 858.4 KB
    1.21.1·NeoForge0.5.20.5.2 · modularforcefields-1.21.1-0.5.2.jar (main file)·16 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.21.1·NeoForge0.5.10.5.1 · modularforcefields-1.21.1-0.5.1.jar (main file)·16 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.19.2·Forge0.5.00.5.0 · Modular Forcefields-1.19.2-0.5.0.jar (main file)·15 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 844.4 KB
    1.20.1·Forge, NeoForge0.5.00.5.0 · Modular Forcefields-1.20.1-0.5.0.jar (main file)·15 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 852.8 KB
    1.21.1·NeoForge0.5.00.5.0 · modularforcefields-1.21.1-0.5.0.jar (main file)·15 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.19.2·Forge0.4.20.4.2 · Modular Forcefields-1.19.2-0.4.2.jar (main file)·29 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 835.1 KB
    1.20.1·Forge, NeoForge0.4.20.4.2 · Modular Forcefields-1.20.1-0.4.2.jar (main file)·13 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 842.6 KB
    1.21.1·NeoForge0.4.20.4.2 · modularforcefields-1.21.1-0.4.2.jar (main file)·12 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.20.1·Forge, NeoForge0.4.0-10.4.0-1 · Modular Forcefields-1.20.1-0.4.0-1.jar (main file)·23 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 842.8 KB
    1.21.1·NeoForge0.4.0-10.4.0-1 · modularforcefields-1.21.1-0.4.0-1.jar (main file)·6 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.21.1·NeoForge0.4.0-00.4.0-0 · modularforcefields-1.21.1-0.4.0-0.jar (main file)·5 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.20.1·Forge, NeoForge0.2.1-10.2.1-1 · Modular Forcefields-1.20.1-0.2.1-1.jar (main file)·20 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 847.2 KB
    1.19.2·Forge0.1.4-10.1.4-1 · Modular Forcefields-1.19.2-0.1.4-1.jar (main file)·20 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 839.4 KB
    1.18.2The latest file for its Minecraft version and loader·Forge0.0.3-10.0.3-1 · Modular Forcefields-1.18.2-0.0.3-1.jar (main file)·20 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 836.5 KB
    1.21.1·NeoForge0.3.1-00.3.1-0 · modularforcefields-1.21.1-0.3.1-0.jar (main file)·6 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.1 MB
    1.20.1·Forge, NeoForge0.2.1-00.2.1-0 · Modular Forcefields-1.20.1-0.2.1-0.jar (main file)·6 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 847.2 KB
    1 to 20 of 731234

    Quick fixes

    In the last 2 years, 6 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 5 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.6

    • Modular Forcefields-1.21.1-0.6.114 Oct 2026Fix accidental client side code on the server
    • Modular Forcefields 1.21.1-0.5.116 Aug 2026…Modular Forcefields 1.21.1-0.5.1 Fix config assignment
    • Modular Forcefields 1.21.1-0.4.0-16 Dec 2025Fix configuration (server did not launch)
    • modularforcefields-1.21.1-0.3.0-6.jar15 Feb 2025Fix render issue
    • modularforcefields-1.21.1-0.3.0-2.jar9 Feb 2025Fix int cast issue ruining fortron bucket production number…
    • modularforcefields-1.21.1-0.3.0-4.jar9 Feb 2025Fix wrong fortron field projector color being renderen when…