Which information to get:
- general
- Overall system information.
- namespaces
- List of registered namespaces and their canonical names.
- namespacealiases
- List of registered namespace aliases.
- specialpagealiases
- List of special page aliases.
- magicwords
- List of magic words and their aliases.
- statistics
- Returns site statistics.
- interwikimap
- Returns interwiki map (optionally filtered, optionally localised by using $1inlanguagecode).
- dbrepllag
- Returns database server with the highest replication lag.
- usergroups
- Returns user groups and the associated permissions.
- libraries
- Returns libraries installed on the wiki.
- extensions
- Returns extensions installed on the wiki.
- fileextensions
- Returns list of file extensions allowed to be uploaded.
- rightsinfo
- Returns wiki rights (license) information if available.
- restrictions
- Returns information on available restriction (protection) types.
- languages
- Returns a list of languages MediaWiki supports (optionally localised by using $1inlanguagecode).
- skins
- Returns a list of all enabled skins (optionally localised by using $1inlanguagecode, otherwise in the content language).
- extensiontags
- Returns a list of parser extension tags.
- functionhooks
- Returns a list of parser function hooks.
- showhooks
- Returns a list of all subscribed hooks (contents of $wgHooks).
- variables
- Returns a list of variable IDs.
- protocols
- Returns a list of protocols that are allowed in external links.
- defaultoptions
- Returns the default values for user preferences.
