It is a bot operated by User:Ilya, you can contact via talkpage
Mainly does work realted to Wiki Loves (Monuments, Earth) contests in Ukraine
- Gathering and publishing WL* statistics
- fixing wrong WL* Ids
- categorizing WL* images
It is run manually, but once ran does all the changes automatically.
Edit rate is about 4 edits per minute for small tasks (taken from edit statistics, can be higher), and up to 20-30 for categorizatin of large portions of files.
It uses wiki-java and written in Java and Scala.