Phabricator project: #maps


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This project within the Discovery Department aims to make OpenStreetMap available on all Wikimedia projects, at a scale sufficient for their widespread usage.

OpenStreetMap and the Wikimedia Discovery Department have collaborated to launch a new trial map tile rendering service available at With this service we hope to encourage our community to create tools and integrations to develop new ways for readers and editors to discover Wikimedia content. We strongly believe that our knowledge engine needs to be powered by multiple entry points and think that maps are a key discovery tool.

Current status[edit]

The service is currently in a experimental mode meaning that at times it may be rapidly changing and unstable. Currently, we can only handle traffic from * and * (referrer header must be either missing or set to these values) but we hope to open it up to Wikipedia traffic if we see enough use.

You can interact with the live beta at

The Discovery department is looking for your feedback and ideas for ways of using maps to determine further development.

"Kartographer" Extension[edit]

Kartographer extension allows editors to insert a map and add article specific data into wiki pages, such as shapes and points of interest. Kartographer also has a Visual Editor interface to make it easy to add maps.

Kartographer extension has been enabled on all Wikivoyage projects and

Mobile Apps[edit]

The Wikipedia Android app shows all nearby articles on a map using the Maps service.


Geohack, used by Wikipedia to provide links to various mapping services, for both the Russian and Italian Wikipedias uses the Wikimedia hosted tiles. English, and other wiki's are planned for the future.

Milestones and Updates[edit]

Future plans[edit]

Please help us plan by adding any use-cases you think would benefit the Wiki communities

Production maps cluster[edit]

The production maps cluster (See also on Wikitech) is in development by the WMF Discovery team. The implementation has various components including:

  • Kartotherian Github (primary) / Gerrit (mirror) - a server capable of providing map tiles in vector (pbf) or raster (png) formats, as well as static map snapshots of any size for a given location.
  • Tilerator Github (primary) / Gerrit (mirror) – a distributed backend tile generation service with a jobque
  • A flexible sources system to set up the needed storage and processing pipeline

A version of the tile server is now in operation at

See also[edit]