Detect and fight the exploitation of various flaws/bugs in Minecraft!

Features Permissions Commands Configuration Jenkins


NoCheatPlus attempts to prevent cheat clients from exploiting weaknesses of Minecraft or its protocol, making your server more safe. Checks cover a wide range of issues including flying and speeding, fighting hacks, fast block breaking and nukers, inventory hacks, chat spam and other types of malicious behaviour. For a more complete list have a look at the Features Page.

NoCheatPlus puts emphasis on configurability and allows you to customize actions that are carried out when a player fails a check (e.g. silent cancelling, executing commands, just logging). Bypass permissions allow to control what check to apply for which players, all checks can be deactivated in the configuration, also having the option for world-specific configuration files. Many checks allow more detailed configuration to adjust sensitivity.

Certainly NoCheatPlus is not a magical bullet, it uses a lot of heuristics and even guessing, so you will encounter false positives here and there and also not catch every single violation. Example video of how NoCheatPlus blocks cheats (outdated plugin version).

NoCheatPlus was introduced by NeatMonster, building on the code base of NoCheat by Evenprime.

The following plugins might be useful to have a look at.

CompatNoCheatPlus (cncp)

Make plugins like mcMMO, Citizens, MagicSpells or MachinaCraft more compatbile with NoCheatPlus. Not all existing plugins are covered (yet), but you can leave a note or ticket request for cncp.


Orebfuscator fights all sorts of X-ray-hacks by altering the map information that is sent to the players, such that they have to mine blocks to actually reveal what is behind. Virtually a "must have".

Downloads and History of Changes

  • Download officially approved versions on the Files page at BukkitDev.
  • Development builds have been moved over to the Jenkins at EcoCityCraft.
  • Do not download from any other source, do not use jars other people send you.
  • Changes by build number can be examined in the Jenkins changes list.
  • All commits can be seen in the GitHub commit history.
  • Plugin statistics are no longer reported to


Documentation Resources

Contact us

  • Quick questions can be asked on this page,
    or on IRC (Server: | Default-Port: 6667 | SSL-Port: 6697 | Channel: #nocheat | Web client: WebIRC)
  • For real issues or feature requests please create a new ticket or add to an existing ticket.
  • To send information that is not to be seen by all, you can also reach us by PM to @asofold and @MyPictures. @IceAP (IRC: ICE) will also help or redirect the conversation. Please do not contact the user 'NoCheatPlus', it is for administrative purposes only and will likely not be answered in time. Keep to BukkitDev and GitHub for support, do not trust users on other forums or websites, also not if their nick names are the same as NCP staff on BukkitDev.

Please always state the output of the "ncp version" command to let us know versions in use (users of cncp also the "cncp" command).

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  • Avatar of asofold asofold Oct 03, 2015 at 12:25 UTC - 0 likes

    @tcarey2015: Go

    You can temporarily turn it off with "/ncp notify off", or permanently and globally by disabling the logging.backend.ingamechat, setting active to false there.

    Alternatively you could also remove/alter log actions for individual checks, where you would have control over the violation levels to log for. That only works on a per-check basis.


    Latest beta release (+ 1.8.3, approved) NoCheatPlus 3.12.0-RC-sASO-b813
    (Development builds, 1.8: Jenkins)

  • Avatar of tcarey2015 tcarey2015 Oct 02, 2015 at 20:15 UTC - 0 likes

    How do i remove the chat spam NPC: Player blah blah has failed blah blah

  • Avatar of MyPictures MyPictures Sep 28, 2015 at 19:25 UTC - 1 like

    @maol3: Go

    Please provide your NoCheatPlus and server version, in most cases this happens if you use an outdated NC+ version which does not include the new block data. I recommend trying out the latest build on Jenkins.


  • Avatar of maol3 maol3 Sep 28, 2015 at 14:43 UTC - 0 likes

    Hi authors,

    The SurvivalFly-check is teleporting players back while they walk or jump next to fence and cobblestone wall, preventing some parkour jumps to be undoable (a solid block with fence in the middle). Are you aware of this bug, or is there a fix for it? Disabling SurvivalFly is not really an option since it will allow fly hacking on a parkour server.

    Thanks in advance!

    Last edited Sep 28, 2015 by maol3
  • Avatar of asofold asofold Sep 24, 2015 at 16:15 UTC - 0 likes

    @Bestbeastxd: Go

    Thank you for noticing, this is a bug or the setting just has changed and we have not adjusted it.

    Until a fix is available (and the development line later than the last "mostly stable" build has stabilized), you could add the block id or name (DRAGON_EGG) to the instabreak list in the compatibility section, which will allow instant breaking that type of block then.

  • Avatar of Bestbeastxd Bestbeastxd Sep 24, 2015 at 15:30 UTC - 0 likes


    I have a problem, I have dissabled the teleport of dragon eggs, but your plugin is preventing people to break it, how can this be solved?


  • Avatar of asofold asofold Sep 21, 2015 at 20:19 UTC - 0 likes

    @Kixot14: Go

    You can already control for which violation level log messages are sent, including where to send them (chat, console, file). Consider having a look at the actions entries for the verious checks in the configuration of NCP and . Essential for a vl section is the cancel part, in order to prevent the associated action, but the log messages can be removed, or you add in another vl>... section with a cancel and the log action. If you have a specific check in mind we can give an example for the actions entry...

    We just don't have global switches, also because vls will vary by a lot amongst checks.

  • Avatar of Kixot14 Kixot14 Sep 19, 2015 at 15:13 UTC - 0 likes

    Hi! Can u add possibility to disable notifi about VL, which lower then i set ?

    If i set VL-Notifi: 20 this will show me only violation level 20 or higher...

  • Avatar of MyPictures MyPictures Sep 19, 2015 at 08:53 UTC - 0 likes

    @Forger007: Go

    You would need to look over at compatNoCheatPlus. Depends if SkillAPI has the right hooks we can use for exemption. I recommend to create a ticket over cncp and explain exactly what isn't working (which skills).

    @Sandertjeuh: Go

    This was fixed in Minecraft 1.8.7 and I believe Spigot has it fixed too. (@Ice)

  • Avatar of Sandertjeuh Sandertjeuh Sep 16, 2015 at 18:57 UTC - 0 likes

    Please, add a function to block the new Metro hacked client, it can place signs that crash your server / disconnect players when going on certain chunks using a exploit.

    Last edited Sep 16, 2015 by Sandertjeuh


Date created
Apr 02, 2012
Last update
Mar 21, 2015
Development stage
GNU General Public License version 3 (GPLv3)
Curse link
Recent files