Project: commons.wikimedia.org
Name of tool: Hotcatcheck
Links to example edits:
https://commons.wikimedia.org/wiki/Special:Diff/260380336
Link to the tool's documentation or homepage:
https://commons.wikimedia.org/wiki/MediaWiki:Gadget-Hotcatcheck.js
(not really documentation)
Actually, I think this is probably part of HotCat: the link vanishes when I turn off HotCat even though it's not mentioned in HotCat's documentation.
If you need a sample file with the link on it, anything under here should do:
https://commons.wikimedia.org/wiki/Category:Images_from_the_Geograph_British_Isles_project_needing_category_review