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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.

    Fluidlogged API

    Mod

    Adds support for blocks to hold water and other fluids.

    A92/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityMinecraft 1.12.2
    • ModpacksIn 222
    • ReleasesLatest 16 Jul

    Download

    Fluidlogged-API-v3.3.3-mc1.12.2.jar

    Released 16 Jul 2026 · 789.2 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for a Minecraft version many modpacks use
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−3 points
    • Some modpacks removed it−1 point
    • 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.3 months ago (16 Jul 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.1.12.2 on Forge. A version many modpacks still use. 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 10 of the last 24 months 6 / 6

    • Stability

      4 points lost18 / 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.26 of the 190 modpacks with two or more versions removed it in a later one (14%) See the 26 modpacks9 / 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 17 releases in 2 years needed a quick fix (24%) See the 4 releases4 / 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 · jbredwards/Fluidlogged-API 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · jbredwards/Fluidlogged-API 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.1,127,778 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5.4 years, 64 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file. See Security
    Total92 / 100

    65.5 of the 71 points that apply = 92 out of 100. The points above are rounded to whole numbers.

    Images

    • Non-Source Fluidlogging
    • Vanilla Blocks
    • Modded Blocks
    • Fluidlogged Fluids
    • Shader Support

    About

    Fluidlogged API is a library mod that lets Minecraft blocks contain fluids, extending waterlogging to non-source fluids and modded fluids as well as vanilla water. Its configuration can make blocks fluidloggable or exclude them, with defaults covering blocks such as chests, doors, fences, leaves, rails, signs, and walls; modded variants that are properly coded are supported by default, and other mods can register blocks too. Players can customize which blocks and fluids are allowed, including using community-provided configurations that can be disabled. The mod improves fluid collision accuracy and addresses vanilla and modded fluid behavior, including lava damage at corners, underwater lighting and selection, and rendering and flow issues around waterlogged blocks.

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

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12.2.

    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
    ChiselCFoamFixCBetterFpsCInventory Tweaks [1.12 only]-Pams HarvestCraftD

    Details

    Creators
    jbredwards, embeddedt and Cleanroom
    License
    Custom License
    Downloads
    1.1M
    Created
    24 May 2021
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , Discord

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12.2.

    We checked its files and read their code, without running it.

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. It contacts 1 web address. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 5 files in your config folder.

    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 · The latest file checked, last on 15 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.
      1 latest file. It is not for a recent Minecraft version, so the answer above is about it. 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 about you

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12.2.

    We read its code without running it: it contacts 1 web address while you play.

    Like any connection, each address it contacts sees your IP address.

    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 Minecraft 1.12.2. See each file in Releases
    • raw.githubusercontent.com
      Downloads the mod's configuration README. Downloads community configuration files.Explained by AI (may be wrong)Explained by an AI from the code. May be wrong.
    • 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
      26 of 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
      1 image 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
      452 code files read

    Compatibility

    See all 64 files
    Forge
    1.121.151.171.2026.1

    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.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.No file yet for any of the last 6 Minecraft versions.

    Related projects

    Projects that need Fluidlogged API to work.

    ProjectTypeDownloadsGrade
    Greenery🌿EMod358K downloadsSubaquaticEMod26K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 13 modpacksNov 2024: 16 modpacksDec 2024: 20 modpacksJan 2025: 12 modpacksFeb 2025: 12 modpacksMar 2025: 9 modpacksApr 2025: 11 modpacksMay 2025: 8 modpacksJun 2025: 14 modpacksJul 2025: 11 modpacksAug 2025: 10 modpacksSep 2025: 6 modpacksOct 2025: 13 modpacksNov 2025: 7 modpacksDec 2025: 16 modpacksJan 2026: 14 modpacksFeb 2026: 16 modpacksMar 2026: 16 modpacksApr 2026: 12 modpacksMay 2026: 13 modpacksJun 2026: 13 modpacksJul 2026: 13 modpacksAug 2026: 16 modpacksSep 2026: 15 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202413
    Nov 202416
    Dec 202420
    Jan 202512
    Feb 202512
    Mar 20259
    Apr 202511
    May 20258
    Jun 202514
    Jul 202511
    Aug 202510
    Sep 20256
    Oct 202513
    Nov 20257
    Dec 202516
    Jan 202614
    Feb 202616
    Mar 202616
    Apr 202612
    May 202613
    Jun 202613
    Jul 202613
    Aug 202616
    Sep 202615

    222 modpacks include Fluidlogged API in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    MC Ultimato385K downloadslast version with it 8 Dec 2022Magiculture 2322K downloadslast version with it 21 Mar 2022All The Horror (1.12.2)318K downloadslast version with it 6 Mar 2024Enigmatica 2: Expert - Extended314K downloadslast version with it 28 Sep 2026Bleach Evolved247K downloadslast version with it 19 Oct 2026Blessed or Cursed: Expedition to Infinite Force168K downloadslast version with it 3 Oct 2023Enigmatica 2 Expert Unofficial - E2Eu154K downloadslast version with it 3 Mar 2024Supersymmetry133K downloadslast version with it 19 Oct 2026NanoMagic130K downloadslast version with it 22 Aug 2026Mystic's Monstrosity84K downloadslast version with it 11 Oct 2023
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    ChiselCModin 60% of the modpacks with Fluidlogged APIFoamFixCModin 56% of the modpacks with Fluidlogged APIBetterFpsCModin 56% of the modpacks with Fluidlogged APIInventory Tweaks [1.12 only]-Modin 56% of the modpacks with Fluidlogged APIPams HarvestCraftDModin 54% of the modpacks with Fluidlogged APIAqua Acrobatics [Forge]DModin 53% of the modpacks with Fluidlogged APIFuture MCCModin 50% of the modpacks with Fluidlogged APIFastFurnaceBModin 50% of the modpacks with Fluidlogged APIDynamic SurroundingsAModin 47% of the modpacks with Fluidlogged APIImmersive EngineeringCModin 45% of the modpacks with Fluidlogged API
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.12.2·Forge3.3.33.3.3 · Fluidlogged-API-v3.3.3-mc1.12.2.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    64 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2The latest file for its Minecraft version and loader·Forge3.3.33.3.3 · Fluidlogged-API-v3.3.3-mc1.12.2.jar (main file)·16 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 789.2 KB
    1.12.2·Forge3.3.23.3.2 · Fluidlogged-API-v3.3.2-mc1.12.2.jar (main file)·7 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 783.4 KB
    1.12.2·Forge3.3.13.3.1 · Fluidlogged-API-v3.3.1-mc1.12.2.jar (main file)·23 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 783.3 KB
    1.12.2·Forge3.3.03.3.0 · Fluidlogged-API-v3.3.0-mc1.12.2.jar (main file)·22 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 781.5 KB
    1.12.2·Forge3.2.03.2.0 · Fluidlogged-API-v3.2.0-mc1.12.2.jar (main file)·5 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 763.6 KB
    1.12.2·Forge3.1.33.1.3 · Fluidlogged-API-v3.1.3-mc1.12.2.jar (main file)·4 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 757.1 KB
    1.12.2·Forge3.1.23.1.2 · Fluidlogged-API-v3.1.2-mc1.12.2.jar (main file)·12 Nov 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 753.0 KB
    1.12.2·Forge3.1.13.1.1 · Fluidlogged-API-v3.1.1-mc1.12.2.jar (main file)·1 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 752.0 KB
    1.12.2·Forge3.1.03.1.0 · Fluidlogged-API-v3.1.0-mc1.12.2.jar (main file)·19 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 750.7 KB
    1.12.2·Forge3.0.63.0.6 · Fluidlogged-API-v3.0.6-mc1.12.2.jar (main file)·7 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 724.3 KB
    1.12.2·Forge3.0.53.0.5 · Fluidlogged-API-v3.0.5-mc1.12.2.jar (main file)·27 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 724.2 KB
    1.12.2·Forge3.0.43.0.4 · Fluidlogged-API-v3.0.4-mc1.12.2.jar (main file)·8 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 716.9 KB
    1.12.2·Forge3.0.33.0.3 · Fluidlogged-API-v3.0.3-mc1.12.2.jar (main file)·6 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 715.0 KB
    1.12.2·Forge3.0.23.0.2 · Fluidlogged-API-v3.0.2-mc1.12.2.jar (main file)·6 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 714.9 KB
    1.12.2·Forge3.0.13.0.1 · Fluidlogged-API-v3.0.1-mc1.12.2.jar (main file)·5 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 715.5 KB
    1.12.2·Forge3.0.03.0.0 · Fluidlogged-API-v3.0.0-mc1.12.2.jar (main file)·4 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 715.5 KB
    1.12.2·Forge2.2.72.2.7 · Fluidlogged-API-v2.2.7-mc1.12.2.jar (first file)·9 Aug 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 359.9 KB
    1.12.2·Forge2.2.62.2.6 · Fluidlogged-API-v2.2.6-mc1.12.2.jar (first file)·6 Aug 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 359.6 KB
    1.12.2·Forge2.2.52.2.5 · Fluidlogged-API-v2.2.5-mc1.12.2.jar (first file)·27 Jun 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 349.7 KB
    1.12.2·Forge2.2.42.2.4 · Fluidlogged-API-v2.2.4-mc1.12.2.jar (first file)·2 Jun 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 350.6 KB
    1 to 20 of 641234

    Quick fixes

    In the last 2 years, 4 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 3 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.4

    • 3.0.48 Mar 2025Bug Fixes: - Fix crash with Super Factory Manager mod ([issue#233…
    • 3.0.26 Mar 2025Bug Fixes: - Cleanroom support (without Fugue). - Fix Chiseled Me…
    • 3.0.36 Mar 2025Bug Fixes: - Fix crash with Fugue + Optifine ([issue#232…
    • 3.0.15 Mar 2025Bug Fixes: - Fix [issue#230…