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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.

    Arcadia Auction House

    Mod

    Buy and sell items with other players through a shared marketplace.

    C76/ 100
    • OverviewC
    • SecurityPartly checked
    • PrivacyNone found (3/4)
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 5
    • ReleasesLatest 4 Oct

    Download

    arcadia-ah-1.4.0.jar

    Released 23 Aug 2026 · 215.1 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Arcadia LibCMinecraft 1.21.1 · NeoForge (release 1.3.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Points lost

    • No source code link−7 points
    • No public issue tracker−3 points
    • First release only 7 months ago−3 points
    • Releases in only 6 of the last 24 months−2 points
    • Releases replaced within 3 days to fix a problem−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      2 points lost25 / 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 (4 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 Forge and NeoForge. 24% of the 516 popular Forge 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 6 of the last 24 months 4 / 6

    • Stability

      1 point lost21 / 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.None of the 3 modpacks with two or more versions removed it 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 20 releases in 2 years needed a quick fix (15%) See the 3 releases6 / 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

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.57,960 3 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7 months, 22 releases 5 / 8

    • Security

      Partly checked
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the parts we could check. 1 latest file for recent Minecraft versions cannot be checked (1.21.1 NeoForge): its author does not let other sites download it from CurseForge. See Security
    Total76 / 100

    53.8 of the 71 points that apply = 76 out of 100. The points above are rounded to whole numbers.

    Images

    • The market !
    • Sell in two clicks
    • Place a bid
    • Your mailbox

    About

    Arcadia Auction House adds a player-driven marketplace where players can list items, browse and search other sellers’ stock, buy immediately, or bid, with purchases and proceeds collected through an in-game mailbox even when the recipient was offline. Servers connected to the same MySQL database share listings and a marketplace, while the mod can also run on its own in singleplayer. The market organizes listings into ten item-based categories, including weapons, tools, armor, potions, food, redstone, resources, blocks and pets, and offers sorting by recency, price, ending time or name alongside search filters for seller, item type, category and minimum price. Players can use instant purchases, standing bids and, when enabled, below-asking-price offers; late bids extend an auction to deter last-second sniping, and bidders receive notice when they are outbid. Item watches can alert players when a matching listing appears, optionally below a chosen price, while price history, seller leaderboards and market statistics help players track trading activity. Selling tools include a suggested price based on recent sales, and listings can show the seller’s completed-sale count as a trust signal. Create: Numismatics can provide the coin economy; otherwise, an operator can enable an emerald wallet. Server administrators can configure listing limits, durations and fees, purchase confirmation and item blacklists, and manage controls such as price floors and market-wide toggles.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creators
    aminoquiz and vyrriox
    License
    All rights reserved
    Downloads
    58K
    Created
    23 Mar 2026
    Official pages
    Modrinth , CurseForge

    Security

    No harmful code found in the parts we could check

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

    One of its files for recent versions cannot be checked: its author does not let other sites download it from CurseForge.

    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.

    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 · 3 of 4 latest files checked, last on 18 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.
      4 latest files: the newest file for each Minecraft version and loader. All 4 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. 1 of them is not checked yet. 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, in the 3 of its 4 files we read

    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 · 3 of 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 3 of 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
      5 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
    • 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
      60 code files read

    Compatibility

    See all 22 files
    NeoForge
    Forge
    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.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.
    Arcadia Libin some filesC
    OptionalProjects it can work with but does not need. The author lists them.
    Arcadia Petsin some filesC
    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 include Arcadia Auction House in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Arcadia Echoes Of Power V2117K downloadslast version with it 13 Oct 2026Magic Valley36K downloadslast version with it 16 Oct 2026Industrial Odyssey13K downloadslast version with it 17 Jul 2026Cillerian SMP347 downloadslast version with it 16 Jul 2026Age of Crowns41 downloadslast version with it 1 Aug 2026

    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·NeoForge1.4.21.4.2 · arcadia-ah-1.4.2.jarSends: Not read yetRequires:Arcadia LibNot checkedWe have not checked this file yet.
    1.21.1·NeoForge1.4.01.4.0 · arcadia-ah-1.4.0.jarSends: None foundRequires:Arcadia LibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·Forge1.3.41.3.4 · arcadia-ah-1.21.1-1.3.4.jarSends: None foundRequires:Arcadia LibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1 to 1.20.6·NeoForge, Forge1.3.41.3.4 · arcadia-ah-1.20.1-1.3.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    22 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.4.21.4.2 · arcadia-ah-1.4.2.jar·4 Oct 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.4.11.4.1 · arcadia-ah-1.4.1.jar·4 Oct 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.4.01.4.0 · arcadia-ah-1.4.0.jar (main file)·23 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 215.1 KB
    1.21.1The latest file for its Minecraft version and loader·Forge, NeoForge1.3.41.3.4 · arcadia-ah-1.21.1-1.3.4.jar (main file)·22 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 143.5 KB
    1.20.1 to 1.20.61.20.1 to 1.20.6The latest file for its Minecraft version and loader·Forge1.3.41.3.4 · arcadia-ah-1.20.1-1.3.4.jar (main file)·22 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 144.5 KB
    1.20.1 to 1.20.61.20.1 to 1.20.6·Forge1.3.31.3.3 · arcadia-ah-1.20.1-1.3.3.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 144.5 KB
    1.20.1 to 1.20.61.20.1 to 1.20.6·Forge1.2.61.2.6 · arcadia-ah-1.20.1-1.2.6.jar (main file)·15 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 110.3 KB
    1.21.1·NeoForge1.3.31.3.3 · arcadia-ah-1.3.3.jar (main file)·11 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 141.0 KB
    1.21.1·NeoForge1.3.21.3.2 · arcadia-ah-1.3.2.jar·9 Jun 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.3.11.3.1 · arcadia-ah-1.3.1.jar·6 Jun 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.3.01.3.0 · arcadia-ah-1.3.0.jar (main file)·19 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 129.7 KB
    1.21.1·NeoForge1.2.61.2.6 · arcadia-ah-1.2.6.jar (main file)·10 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForge. CurseForge file not checked: its author does not let other sites download it from CurseForge.Download · Stable · 108.0 KB
    1.21.1·NeoForge1.2.51.2.5 · arcadia-ah-1.2.5.jar (main file)·30 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForge. CurseForge file not checked: its author does not let other sites download it from CurseForge.Download · Stable · 108.0 KB
    1.21.1·NeoForge1.2.41.2.4 · arcadia-ah-1.2.4.jar·28 Apr 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.2.31.2.3 · arcadia-ah-1.2.3.jar·23 Apr 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.2.01.2.0 · arcadia-ah-1.2.0.jar·19 Apr 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.1.21.1.2 · arcadia-ah-1.1.2.jar·24 Mar 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.1.11.1.1 · arcadia-ah-1.1.1.jar·23 Mar 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.1.01.1.0 · arcadia-ah-1.1.0.jar·23 Mar 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1·NeoForge1.0.3-HOTFIX1.0.3-HOTFIX · arcadia-ah-1.0.3.jar·23 Mar 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Not on ModrinthOpen this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1 to 20 of 2212

    Quick fixes

    In the last 2 years, 3 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 1 point.

    See them, newest first

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

    • arcadia-ah-1.2.530 Apr 2026
    • arcadia-ah-1.0.323 Mar 2026
    • arcadia-ah-1.1.123 Mar 2026