Tool	Count	% of tools	% of edit count
Undo	663	47.8%	53.3%
RedWarn	549	39.6%	44.1%
Twinkle	118	8.5%	9.5%
Pending changes revert	29	2.1%	2.3%
Redirect	15	1.1%	1.2%
Generic rollback	5	0.4%	0.4%
HotCat	4	0.3%	0.3%
Shortdesc helper	4	0.3%	0.3%
ProveIt	1	0.1%	0.1%
9 tools	1,388 Some tool usage overlaps (e.g. rolling back to a revision that is a redirect counts as Rollback and as Redirect), so the total of edits made with each tool may differ from the grand total.

Request that a new (semi-)automated tool be added