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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    UltraCoinFlip

    Plugin

    UltraCoinFlip allows players to create coin flip games where two players can bet against each other. The winner is determined by a fair, cryptographically secure random system, and the winner takes the pot (minus tax).

    C75/ 100
    • OverviewC
    • SecurityPassed
    • PrivacySends data
    • AINone found
    • CompatibilityUp to 26.3
    • ReleasesLatest 7 Oct

    Download

    UltraCoinFlip-6.6.2.jar

    Released 7 Oct 2026 · 1.7 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for the newest Minecraft versions
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−7 points
    • No source code link−7 points
    • Under 50,000 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 weeks ago (7 Oct 2026) 12 / 12
      Supports popular versionsWhether the plugin has a file for a Minecraft version that 15% or more of the popular plugins updated in the last 6 months also list. Plugins often list many versions, so an older one can count.26.3 on Bukkit, Folia, Paper, Purpur and Spigot (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 12 of the last 24 months 6 / 6

    • Stability

      7 points lost5 / 12
      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.Does not apply. Plugins are not added to modpacks.
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.53 of its 91 releases in 2 years needed a quick fix (58%) See the 53 releases0 / 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

      7 points lost3 / 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 or a Discord server.Discord 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 50,000.6,286 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.11 months, 94 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 for recent Minecraft versions. See Security
    Total75 / 100

    45.8 of the 61 points that apply = 75 out of 100. The points above are rounded to whole numbers.

    Details

    Creator
    thuongtr
    License
    MIT License
    Downloads
    6.3K
    Created
    11 Nov 2025
    Official page
    Modrinth
    Links
    Discord

    Security

    No harmful code found

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

    What it can do on your server

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Found in the plugin's own code and in code libraries built into it. See Privacy
    Connects to Discord
    The code contains a Discord webhook, an address that receives messages. It can post messages to a Discord webhook that the server owner sets. Whoever owns the webhook sees what is sent.

    Why we show this: a plugin runs on your server like any program, so harmful code in it can take over the server. 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 · Both latest files checked, last on 24 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.
      2 latest files: the newest file for each Minecraft version and loader. The answer above is about the one for a recent version. 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
    • 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

    Sends usage statistics, crash reports and unknown data

    Sent to api.mclo.gs, bstats.org and an address built while the game runs.

    We found this in its code, read without running it.

    Why we show this: a plugin can send things about your server and its players over the internet, like their player name or their login. Contacting an address to check for updates or download files sends nothing about them. Not in the grade: sending data can be normal for what a plugin 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 recent Minecraft versions. See each file in Releases
    • api.github.com
      Checks for a new version of the mod.
      Nothing about you
    • api.mclo.gs
      Uploads crash reports or logs.
      Crash reports
    • sessionserver.mojang.com
      Talks to an online service the mod works with.
      Nothing about you
    • bstats.org
      Sends usage statistics.From a bundled library.
      Usage statistics
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.
      Unknown data
    • Named in its filesA crash report or usage data service named in the files of the mod. The code does not show when or what is sent.
      The code names bStats, a service that receives usage data.

    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.

    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 · 4 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.
      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
      20 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
      516 code files read

    Compatibility

    See all 94 files
    Paper
    Spigot
    Bukkit
    Purpur
    Folia
    1.81.101.141.171.2126.1

    Point at or tap a version to see its server software.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Install it on the server. Players join without installing anything.
    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 plugins. On average, it gets a file 2 days after a new Minecraft version comes out. Measured on the last 4 Minecraft versions.

    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.

    MinecraftServerVersionSecuritySendsRequires
    1.8.8 to 26.3·Paper, Spigot, Bukkit, Purpur, Folia6.6.26.6.2 · UltraCoinFlip-6.6.2.jarSends: Usage data +2Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.8.3 to 1.8.7·Paper, Spigot, Bukkit, Purpur, Folia6.2.06.2.0 · UltraCoinFlip-6.2.0.jarSends: Usage data +1Requires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    94 releases

    MinecraftServerVersionReleasedSecurityGet it onDownload
    1.8.8 to 26.31.8.8 to 26.3The latest file for its Minecraft version and loader·Paper, Spigot, Bukkit, Purpur, Folia6.6.26.6.2 · UltraCoinFlip-6.6.2.jar (main file)·7 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 1.7 MB
    1.8.8 to 26.31.8.8 to 26.3·Paper, Spigot, Bukkit, Purpur, Folia6.6.16.6.1 · UltraCoinFlip-6.6.1.jar (main file)·6 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.7 MB
    1.8.8 to 26.31.8.8 to 26.3·Paper, Spigot, Bukkit, Purpur, Folia6.6.06.6.0 · UltraCoinFlip-6.6.0.jar (main file)·20 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.7 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.3.56.3.5 · UltraCoinFlip-6.3.5.jar (main file)·18 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.3.46.3.4 · UltraCoinFlip-6.3.4.jar (main file)·14 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.3.36.3.3 · UltraCoinFlip-6.3.3.jar (main file)·5 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.3.26.3.2 · UltraCoinFlip-6.3.2.jar (main file)·30 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.3.16.3.1 · UltraCoinFlip-6.3.1.jar (main file)·23 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.3.06.3.0 · UltraCoinFlip-6.3.0.jar (main file)·18 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.2.16.2.1 · UltraCoinFlip-6.2.1.jar (main file)·11 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.3 to 26.21.8.3 to 26.2The latest file for its Minecraft version and loader·Paper, Spigot, Bukkit, Purpur, Folia6.2.06.2.0 · UltraCoinFlip-6.2.0.jar (main file)·9 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.1.06.1.0 · UltraCoinFlip-6.1.0.jar (main file)·31 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia6.0.06.0.0 · UltraCoinFlip-6.0.0.jar (main file)·26 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.8.05.8.0 · UltraCoinFlip-5.8.0.jar (main file)·23 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.7.05.7.0 · UltraCoinFlip-5.7.0.jar (main file)·22 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.6 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.6.25.6.2 · UltraCoinFlip-5.6.2.jar (main file)·14 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.5 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.6.15.6.1 · UltraCoinFlip-5.6.1.jar (main file)·12 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.5 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.6.05.6.0 · UltraCoinFlip-5.6.0.jar (main file)·4 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.5 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.5.15.5.1 · UltraCoinFlip-5.5.1.jar (main file)·25 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.5 MB
    1.8.8 to 26.21.8.8 to 26.2·Paper, Spigot, Bukkit, Purpur, Folia5.5.05.5.0 · UltraCoinFlip-5.5.0.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.5 MB
    1 to 20 of 9412345

    Quick fixes

    In the last 2 years, 53 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 7 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.53

    • 6.6.27 Oct 2026Fix! Settings no longer show toggles for features you…
    • 6.6.020 Sep 2026…with everything we need to help you faster - Fix! Head textures like the bot head and menu arrows show…
    • 6.2.111 Aug 2026Fix! Custom bet amounts in the create menu no longer get…
    • 6.0.026 Jul 2026…cancel, refund and finish all fire now - Fix! A bet could vanish with no refund when a limit blocked…
    • 5.8.023 Jul 2026…custom model data, in every GUI file - Fix! Items in the stats menu now respect their glow and…
    • 5.6.214 Jul 2026Fix! Leaderboards and placeholders no longer risk stalling…
    • 5.2.025 May 2026…turn off the glass background in one line - Fix! Plugin no longer crashes when opening the Create menu…
    • 5.0.316 May 2026…using the default currency from config - Fix! Plugin now loads on Paper 1.20.5 and newer instead of…
    • 5.0.111 May 2026Fix! /cf limit alone now shows the available subcommands…
    • 4.0.12 May 2026…won each game instead of the opponent - Fix! Blank lore lines using '' or '&f ' were silently…
    • 4.0.030 Apr 2026…pt, ru, zh_cn, zh_tw, ja, ko, ar, tr, lt) - Fix! Rightmost head in the roll animation snapped to the…
    • 3.19.029 Apr 2026…% - Countdown to the next leaderboard refresh - Fix! Critical dupe where players could disconnect mid-roll…
    • 3.18.328 Apr 2026Fix! Refund only arrived after a server restart instead of…
    • 3.18.226 Apr 2026…New! Support blank lines in GUI lore - Fix! Winner sometimes did not receive their prize if a…
    • 3.18.125 Apr 2026Fix! Console spammed dozens of "Invalid material" warnings…
    • 3.18.024 Apr 2026…now switches with the filter by default - Fix! Worst leaderboard mirrored the Profit totals - Now…
    • 3.17.422 Apr 2026Fix! Update notifier kept showing the old message after /cf…
    • 3.17.319 Apr 2026Fix! Event commands didn't parse PlaceholderAPI…
    • 3.17.113 Apr 2026…each player's LuckPerms prefix correctly - Fix! Console spam of "SQLite database connected!" when…
    • 3.16.07 Apr 2026…for plugins without a withdraw command - Fix! Some GUI screens crashed on 1.8.x servers due to…
    • 3.16.17 Apr 2026Fix! CoinsEngine v2.7.0 currencies failed to initialize…
    • 3.15.26 Apr 2026…in each currency config, default: false) - Fix! Plugin crashed with a null config error when joining a…
    • 3.15.36 Apr 2026Fix! Errors from other plugins were displayed under…
    • 3.15.03 Apr 2026…player ranks and custom information - Fix! Rainbow and fade animations not working on Minecraft…
    • 3.15.13 Apr 2026…is working without needing a live game - Fix! Discord webhook not sending when using Discord Canary…
    • 3.14.22 Apr 2026Fix! Language files missing newer message keys now get…
    • 3.14.32 Apr 2026Fix! Discord webhook embeds could show broken winner names…
    • 3.14.01 Apr 2026…and each player's rank by number of defeats - Fix! %coinflip_top_<rank>_wins_name%, %coinflip_top_<rank…
    • 3.13.131 Mar 2026Fix! Roll animation sound was silent or only played once at…
    • 3.12.430 Mar 2026Fix! Sound effects stopped working in newer plugin…
    • 3.12.327 Mar 2026Fix! Player heads configured with Base64 texture in the…
    • 3.12.126 Mar 2026Fix! Setting prefix to empty in config caused a leading…
    • 3.12.226 Mar 2026Fix! Hex color codes in item titles and display names were…
    • 3.12.025 Mar 2026New! Minecraft 26.1 support - Fix! Chat text and player head textures silently fell back…
    • 3.10.011 Mar 2026…plugin using the same coinsengine.yml config - Fix! Fixed a money duplication exploit where players could…
    • 3.9.11 Mar 2026…yml - New! Added "refund" debug category - Fix! Players not receiving their currency back after…
    • 3.8.627 Feb 2026Fix! Fixed heavy GUI debug blocks causing overhead - Fix!…
    • 3.9.027 Feb 2026…in-game in config.yml (both default to true) - Fix! Heads/Tails selection menu now shows the coin side…
    • 3.8.420 Feb 2026Fix! Fixed "Your Statistics" button not showing the…
    • 3.8.23 Feb 2026Fix! Fixed GUI not opening and items not showing - all GUI…
    • 3.7.113 Jan 2026Fix! Plugin now works on Spigot servers
    • 3.7.011 Jan 2026…run custom announcements, and more - Fix! Create GUI not updating when clicking +/- buttons…
    • 3.5.230 Dec 2025…current balance, and maximum bet allowed - Fix! Error messages now properly distinguish between…
    • 3.4.114 Dec 2025…1.8.8 sound ID documentation to sounds.yml - Fix! Fixed sounds not working on 1.8.8 servers - plugin now…
    • 3.3.312 Dec 2025…bar notifications during gameplay ​​​​​​- Fix! Fixed plugin crashes when opening GUI on 1.8.8 servers…
    • 3.4.012 Dec 2025…configure materials for any server version - Fix! Fixed currency duplication exploit - players can no…
    • 3.3.110 Dec 2025• Fix! Fixed critical exploit allowing players to steal heads…
    • 3.3.09 Dec 2025• New! Added support for 1.21.11 • Fix! Improved error messages for users - error messages now…
    • 3.2.08 Dec 2025…volume and pitch for better audio feedback - Fix! Sound configuration now properly preserves user…
    • 3.1.27 Dec 2025Fix! Config cache now properly refreshes on reload…
    • 3.1.15 Dec 2025Fix! Fixed potential currency loss when joining a game…
    • 3.0.52 Dec 2025Fix! Critical animation freeze bug - animation now…
    • 3.0.41 Dec 2025Fix! Fixed plugin crash when displaying coinflip games from…