Project: www.wikidata.org
Name of tool: altLabels.js
Links to example edits: https://www.wikidata.org/w/index.php?title=Q9982&diff=1101349435&oldid=1083411070
Link to the tool's documentation or homepage: https://www.wikidata.org/wiki/User:Joern/altLabels.js
Can be identified by the mention of altLabels with a link to the script page in the edit summary, see example edit.