Passive voice, adverb pile-ups, and run-on sentences, flagged by the part-of-speech tagger. Tune with --max-words=N and --max-adverbs=N. Linter exit codes, so it drops into a pre-commit hook next to lingua spell.
$ lingua style < draft.md
# With "Mistakes were made by the team. She quickly and
# quietly definitely ran extremely fast." in draft.md:
style: passive voice: 'were made' [9,9]
style: 5 adverbs in one sentence [32,54]