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    2,055,424 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 2026.269,392 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.

    Discerning Furnace

    Mod

    Only allow smeltable items in furnaces.

    A98/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 38
    • ReleasesLatest 26 Sep

    Download

    discerning_furnace-1.3.2+MC26.1-26.3.x.jar

    Released 26 Sep 2026 · 30.2 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 the newest Minecraft versions
    • Stable releases
    • Public source code and issue tracker
    • Around for years

    Points lost

    • 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.4 weeks ago (26 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.26.3 on Fabric and Quilt (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 9 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.4 of the 34 modpacks with two or more versions removed it in a later one (12%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 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.GitLab · supersaiyansubtlety/discerning_furnace 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitLab issues · supersaiyansubtlety/discerning_furnace 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.203,968 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.5.9 years, 29 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 4 latest files for recent Minecraft versions. See Security
    Total98 / 100

    69.6 of the 71 points that apply = 98 out of 100. The points above are rounded to whole numbers.

    About

    Discerning Furnace prevents unsmeltable items from entering furnace input slots, helping keep item sorters and furnace arrays from clogging. It works with vanilla furnaces and is also intended to work with modded furnaces that do not provide their own input restrictions. In single-player and on clients, it blocks players from inserting unsmeltable items through furnace screens; on servers, it also blocks hoppers and other blocks from inserting them.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 2 areas: PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls. and Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting..

    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
    Mod MenuALithiumAFerriteCoreAFalling LeavesABetterF3A

    Details

    Creator
    supersaiyansubtlety
    License
    MIT License
    Downloads
    204K
    Created
    17 Dec 2020
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    Security

    No harmful code found

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

    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 4 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 · All 4 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 4 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 and images 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 · 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.
    • 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
      22 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
      4 code files read

    Compatibility

    See all 29 files
    Fabric
    Quilt
    1.161.181.201.2126.1

    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.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.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.Faster than most mods. On average, it gets a file 26 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

    38 modpacks include Discerning Furnace in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Fabri's Frontiers124K downloadslast version with it 23 Oct 2026ReCraft+ v258K downloadslast version with it 3 Sep 2023Legacies52K downloadslast version with it 8 Sep 2026Legacies 2651K downloadslast version with it 8 Sep 2026Forget Me Not32K downloadslast version with it 29 Oct 2023VULKAN++16K downloadslast version with it 16 Jun 2025RealCraft10K downloadslast version with it 16 May 2024FabricSMP - Tales of The Archives8.9K downloadslast version with it 5 Apr 2021Amethyst8.4K downloadslast version with it 7 Jun 2022TaidumCraft5.8K downloadslast version with it 30 Mar 2024
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Mod MenuAModin 97% of the modpacks with Discerning FurnaceLithiumAModin 97% of the modpacks with Discerning FurnaceFerriteCoreAModin 82% of the modpacks with Discerning FurnaceFalling LeavesAModin 71% of the modpacks with Discerning FurnaceBetterF3AModin 68% of the modpacks with Discerning FurnaceChat HeadsAModin 68% of the modpacks with Discerning FurnaceDynamic FPSAModin 66% of the modpacks with Discerning FurnaceSodium ExtraAModin 63% of the modpacks with Discerning FurnaceReese's Sodium OptionsAModin 63% of the modpacks with Discerning FurnaceDebugifyAModin 58% of the modpacks with Discerning Furnace
    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
    26.1 to 26.3·Fabric, Quilt1.3.2-26.3.x1.3.2-26.3.x · discerning_furnace-1.3.2+MC26.1-26.3.x.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.2 to 1.21.11·Fabric, Quilt1.2.71.2.7 · discerning-furnace-1.2.7+MC1.21.2-1.21.11.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21 to 1.21.1·Fabric, Quilt1.1.11.1.1 · discerning-furnace-1.1.1+MC1.21-1.21.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19 to 1.20.6·Fabric, Quilt1.0.151.0.15 · discerning-furnace-1.0.15+MC1.19-1.20.6.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.18 to 1.18.2·Fabric1.0.61.0.6 · discerning-furnace-1.0.6+MC1.18-1.18.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.17 to 1.17.1·Fabric1.0.31.0.3 · discerning-furnace-1.0.3+MC1.17-1.17.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.1 to 1.16.5·Fabric1.0.11.0.1 · discerning-furnace-1.0.1+MC1.16.1-1.16.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    29 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1 to 26.326.1 to 26.3The latest file for its Minecraft version and loader·Fabric, Quilt1.3.2-26.3.x1.3.2-26.3.x · discerning_furnace-1.3.2+MC26.1-26.3.x.jar (main file)·26 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.2 KB
    26.2·Fabric, Quilt1.3.1-26.2.x1.3.1-26.2.x · discerning_furnace-1.3.1+MC26.1-26.2.x.jar (main file)·18 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.7 KB
    26.1 to 26.1.226.1 to 26.1.2·Fabric, Quilt1.3.0-26.1.x1.3.0-26.1.x · discerning_furnace-1.3.0+MC26.1-26.1.x.jar (main file)·4 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.7 KB
    1.21.2 to 1.21.111.21.2 to 1.21.11The latest file for its Minecraft version and loader·Fabric, Quilt1.2.71.2.7 · discerning-furnace-1.2.7+MC1.21.2-1.21.11.jar (main file)·4 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.5 KB
    1.21.2 to 1.21.101.21.2 to 1.21.10·Fabric, Quilt1.2.61.2.6 · discerning-furnace-1.2.6+MC1.21.2-1.21.10.jar (main file)·16 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.0 KB
    1.21.2 to 1.21.81.21.2 to 1.21.8·Fabric, Quilt1.2.51.2.5 · discerning-furnace-1.2.5+MC1.21.2-1.21.8.jar (main file)·19 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.0 KB
    1.21.2 to 1.21.71.21.2 to 1.21.7·Fabric, Quilt1.2.41.2.4 · discerning-furnace-1.2.4+MC1.21.2-1.21.7.jar (main file)·2 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.0 KB
    1.21.2 to 1.21.61.21.2 to 1.21.6·Fabric, Quilt1.2.31.2.3 · discerning-furnace-1.2.3+MC1.21.2-1.21.6.jar (main file)·20 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.0 KB
    1.21.2 to 1.21.51.21.2 to 1.21.5·Fabric, Quilt1.2.21.2.2 · discerning-furnace-1.2.2+MC1.21.2-1.21.5.jar (main file)·7 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.0 KB
    1.21.2 to 1.21.41.21.2 to 1.21.4·Fabric, Quilt1.2.11.2.1 · discerning-furnace-1.2.1+MC1.21.2-1.21.4.jar (main file)·18 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 31.0 KB
    1.21.2 to 1.21.31.21.2 to 1.21.3·Fabric, Quilt1.2.01.2.0 · discerning-furnace-1.2.0+MC1.21.2-1.21.3.jar (main file)·1 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.9 KB
    1.21 to 1.21.11.21 to 1.21.1The latest file for its Minecraft version and loader·Fabric, Quilt1.1.11.1.1 · discerning-furnace-1.1.1+MC1.21-1.21.1.jar (first file)·28 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.9 KB
    1.21·Fabric, Quilt1.1.01.1.0 · discerning-furnace-1.1.0+MC1.21.jar (first file)·15 Jun 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.7 KB
    1.19 to 1.20.61.19 to 1.20.6The latest file for its Minecraft version and loader·Fabric, Quilt1.0.151.0.15 · discerning-furnace-1.0.15+MC1.19-1.20.6.jar (first file)·9 May 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 18.9 KB
    1.19 to 1.20.51.19 to 1.20.5·Fabric, Quilt1.0.141.0.14 · discerning-furnace-1.0.14+MC1.19-1.20.5.jar (first file)·26 Apr 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 18.5 KB
    1.19 to 1.20.41.19 to 1.20.4·Fabric, Quilt1.0.131.0.13 · discerning-furnace-1.0.13+MC1.19-1.20.4.jar (first file)·31 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 18.5 KB
    1.19 to 1.20.21.19 to 1.20.2·Fabric, Quilt1.0.121.0.12 · discerning-furnace-1.0.12+MC1.19-1.20.2.jar (first file)·1 Nov 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 19.5 KB
    1.19 to 1.20.11.19 to 1.20.1·Fabric, Quilt1.0.111.0.11 · discerning-furnace-1.0.11+MC1.19-1.20.1.jar (first file)·19 Jun 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 19.5 KB
    1.19 to 1.19.41.19 to 1.19.4·Fabric, Quilt1.0.101.0.10 · discerning-furnace-1.0.10+MC1.19-1.19.4.jar (first file)·23 Mar 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 19.4 KB
    1.19 to 1.19.21.19 to 1.19.2·Fabric, Quilt1.0.91.0.9 · discerning-furnace-1.0.9+MC1.19-1.19.2.jar (first file)·7 Aug 2022PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 19.4 KB
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