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This is a list of all extensions installed on Miraheze, sorted by three categories: global extensions that are enabled on every wiki that cannot be disabled (and a brief reason why), default extensions that are enabled on new wikis by default but can be disabled, and extensions that are not enabled by default but can be enabled on individual wikis. This page also includes some of those extensions which have been requested but cannot be installed, and a brief reason as to why.

Global Extensions

Some extensions are enabled by default across all Miraheze Wikis and cannot be disabled by local wikis. These extensions are listed below, with a brief reason as to why they are global.

  • AbuseFilterImportant anti-spam and anti-vandalism extension; allows administrators to prevent edits meeting certain regular expressions
  • AntiSpoofPrevents impersonation user accounts from being created
  • BetaFeaturesBeta Features are installed globally but can be turned off in one's individual user preferences
  • CentralAuthDefines the global user account system, without it user accounts would break
  • CentralNoticeUsed for distribution of important notices about Miraheze, such as planned downtime
  • CheckUserImportant anti-vandalism extension that allows Miraheze Staff to find and block the underlying IP ranges of vandalism accounts
  • CreateWikiThis is how new wikis are created (perhaps the most important extension!). Installed globally but only used on Meta. The extension is enabled globally due to technical reasons as ManageWiki requires this extension and wikis will break if it is not enabled.
  • CookieWarningRequired for legal/privacy reasons
  • ConfirmEditImportant anti-spam tool, generates a CAPTCHA to prevent unauthorized automated actions
  • EchoThis extension implements the user notification system
  • EventLoggingRequired dependency for CentralNotice
  • GlobalBlockingImportant anti-spam and anti-vandalism extension, allows Miraheze Staff to block IP addresses that vandalize multiple wikis
  • GlobalCssJSPart of the global account system, allows users to have custom interface styling applied to all wikis
  • GlobalPreferencesPart of the global account system, allows users to have default preferences (settings) on all wikis
  • IncidentReportingUsed internally by Miraheze system administrators for reporting incidents such as downtime. Installed globally but only has a function on Meta
  • InterwikiUsed to provide direct links from one Miraheze Wiki to another, and to other MediaWiki sites (such as these links to MediaWiki.org)
  • LocalisationUpdateEssential/core part of MediaWiki interface
  • LoginNotifyImportant security feature, notifies users about suspicious attempts to login to their accounts
  • ManageWikiThe extension used for managing wiki settings, including extensions. Turning this off would remove the ability to enable/disable other extensions
  • MatomoAnalyticsInternal Miraheze extension
  • NukeImportant anti-vandalism extension, allows site administrators to mass delete multiple pages at once
  • OAuthInternal Miraheze extension, used for linking wiki accounts with accounts for Miraheze Phabricator
  • OATHAuthImportant security feature, used for implementing 2-factor authentication
  • ParserFunctionsEssential/core part of MediaWiki interface
  • ParsoidBatchAPIRequired dependency for VisualEditor and Flow
  • RenameUserImplements the ability for Miraheze Staff to rename user accounts on request (otherwise this would be impossible)
  • RottenLinksInternal Miraheze extension that checks for dead or broken external links on wiki pages
  • ScribuntoEssential/core part of MediaWiki interface
  • SpamBlacklistImportant anti-spam feature, allows administrators to blacklist spam websites from being mentioned
  • SyntaxHighlightEssential/core part of MediaWiki interface
  • TitleBlacklistImportant anti-vandalism extension, allows administrators to prevent pages with certain titles and certain usernames from being created
  • TorBlockImportant anti-vandalism and anti-spam extension, prevents vandals from using Tor to rapidly change IP addresses
  • UserMergeAllows Miraheze Staff to merge contributions of one user account into another. Not used frequently but is used for various maintenance purposes
  • WikiDiscoverInternal Miraheze extension that shows all Miraheze wikis with some general information about them
  • BlockBatch – ​Not Actively Maintained, See T7303.
  • WikiEditorEssential/core part of MediaWiki interface

Default Extensions

These extensions are enabled by default on all new wikis but can be disabled in Special:ManageWiki/extensions:

  • CategoryTreePopular extension used by multiple wikis
  • Cite & CiteThisPageImportant and popular extension used for generating citations for wiki pages
  • DarkModeEnables a dark user interface. Used for accessibility reasons and for personal preferences
  • GlobalUserPageAllows users to display the content from their userpage on Miraheze Login Wiki on all wikis if they have not created a local userpage
  • MobileFrontendImportant MediaWiki feature for wikis that wish to support editing from mobile devices (which is the vast majority of wikis)

Other Extensions

These extensions are installed on Miraheze and can be enabled in Special:ManageWiki/extensions on any wiki but are not enabled by default:

Declined extensions

Many extensions have been requested but are not able to be installed for various reasons. The most common reasons are that the extension introduces security and/or privacy risks that cannot be mitigated, that the extension is not being actively maintained upstream, or that the extension conflicts with a global extension that cannot be removed. The following is a list of declined extensions, and a brief reason why they are declined.

  • AccessControlDoesn't work on MediaWiki 1.29+, and also has privacy issues
  • BlueSpiceSecurity risk
  • ConfigureNo longer maintained upstream (hasn't worked since MediaWiki 1.18), and ManageWiki essentially does the same thing
  • ConfirmAccountincompatible with CentralAuth - since user accounts exist globally it is not possible to have individual wikis require accounts be approved
  • DeleteBatchTechnical limitations, see T956
  • DNSlookupInvades user privacy
  • EditAccountIncompatible with CentralAuth - since user accounts are global, editing a user's information on one wiki would affect all wikis. Also allowing other users to change email addresses and passwords is a major privacy and security risk
  • EditUserSame reasons at EditAccount
  • EmbedAnythingSecurity risk
  • EmbedVideoSecurity risk
  • External DataSecurity risk (SQL injection)
  • ExternalLinksSecurity risk, see T1555
  • Html2Wiki - Unreadable code, see T2740
  • Html5mediator – Declinado devido a questões de segurança (inserção arbitrária do JS), T1640.
  • MarkdownNot actively maintained upstream
  • MiniInviteSecurity risk
  • MultiUploadNot maintained upstream** - You can use MsUpload which provides similar functionality
  • OpenID ConnectSecurity risk
  • Page Schemas - Unmaintained, likely requires Semantic MediaWiki, which is also declined (See the relevant task)
  • PluggableAuthSecurity risk
  • SecurePollReveals private information
  • Semantic MediaWikiMiraheze does not currently have the resources to support SMW. You can use Cargo instead.
  • Semantic Text AnnotatorRequires Semantic MediaWiki
  • Site settingsManageWiki does the same thing (actually even more), and up until recently had a major security flaw
  • Tasks ExtensionFlagged as unstable, indicating one or more parts, or even the entire extension, is broken
  • UploadWizardExtension is too specific for Wikimedia. Unsuitable for independent wikis to be using it. See T288.
  • UserGroupsManageWikiPermissions does the same thing.
  • Widgets – See 23-12-2020 Security Disclosure
  • WikiBannerWe don't accept ads
  • BlockBatchNot Actively Maintained, See T7303.
  • Drafts- Not Actively Maintained.
  • DisableAccount- Declined Due to Privacy Reasons
  • Extensions made by Fandom that do not have independent on mediawiki.org – extensions such as Special:Withoutimages, MediaWiki:ImportJS, and Special:AdminDashboard are too specific for Fandom. Use similar extensions instead.


  • Requesting new extensions: If you would like to request a new extension, please create a task on Phabricator. Please be aware that any extensions which are not in use by one or more Wikimedia Foundation projects will require a security review before being installed. The purpose of this review is to check the code to make sure there are no vulnurabilities that would expose either Miraheze as a whole and/or individual users of the extension to security and/or privacy risks. Unfortunately, this review process is severely backlogged, and therefore extension reviews can take several weeks to in some cases several months.
  • Extensões restritas: Algumas extensões da lista de extensões permitidas globalmente são restritas e não podem ser utilizadas por wikis e utilizadores individuais, e podem ser utilizadas exclusivamente por membros da equipa de Miraheze - quer Stewards e/ou System administrators. Isto é geralmente por uma ou ambas as seguintes razões: a extensão revela informação privada que na maioria das circunstâncias não deve ser acedida, mas pode ser necessário aceder para parar o spam e o vandalismo; e/ou a extensão tem efeitos sobre o funcionamento global do Miraheze e, portanto, a utilização da extensão fora do Meta Wiki quebraria as coisas.
  • Note about MultiUpload: This extension is no longer being actively maintained upstream and therefore is unsuitable for Miraheze. However, users who are familiar with another wiki hosting service, ShoutWiki, may be aware that the extension in use there. The extension is only being maintained as a local copy by ShoutWiki developers for their specific service, and even these developers have indicated that they will not continue to maintain it if it ultimately breaks down. Therefore, please use MsUpload instead, which provides similar functionality.