See m:User:CommonsDelinker for the multi project tasks that CommonsDelinker performs.
Here on Wikimedia Commons, CommonsDelinker has the following tasks:
- Delinking deleted images
- Replacing images
All tasks are performed from the toolserver.
Add commands at User:CommonsDelinker/commands and make requests at User talk:CommonsDelinker/commands. See the documentation. Technical documentation at the Toolserver wiki; see also m:User:CommonsDelinker/For operators.