The production part of this wiki, also known as Wikitech, is for internal technical documentation for the Wikimedia Foundation. For technical documentation of MediaWiki software, see MediaWiki.org.
Wikimedia Labs is meant to make it easier for developers and system administrators to try out improvements to Wikimedia infrastructure, including MediaWiki, and to do analytics and bot work.
For more information, start at Help:Contents.
Tool Labs, a reliable, scalable hosting environment for community developers working on tools and bots, is part of Wikimedia Labs and consists of two projects Nova Resource:Tools and Nova Resource:Toolsbeta. For more information pertaining to the Tool Labs environment, please see Nova Resource:Tools/Help.