Hey,
Codesearch [1] now indexes Wikimedia services including Mobile apps, Kask,
Parsoid, CX server, PoolCounter, and EventStream. You can also search only
in services section by going to [2]. Let me know if anything doesn't work
properly.
[1]
https://www.mediawiki.org/wiki/Codesearch
[2]
https://codesearch.wmflabs.org/services/
Best
--
Amir (he/him)