This is a bot belonging to User:Malafaya.
Its task is to exchange interwiki links with other Wiktionaries. It operates in the Category and Main namespaces, and uses Pywikipedia.
This bot is operating here with a bot flag.
It is not a sock puppet, but rather an automated or semi-automated account for making repetitive edits that would be extremely tedious to do manually.
Administrators: if this bot is malfunctioning or causing harm, please block it.