Tighten

A final editing pass that catches and removes AI-detectable writing patterns. Not a detector — an editor. The output reads like a human wrote it because, after this pass, a human shaped every sentence.

What this pass cannot see

This skill scans vocabulary and sentence-level habits. It is blind to structure, and structure is where modern AI prose gives itself away.

A ghost-written blog post once passed this gate with zero findings — no AI vocabulary, em-dash rate below the author's own baseline — while ending eight of eight sections on an aphorism, using six "Not X. That's Y." antitheses, and asserting nine invented claims about the author's inner life. Readers called it slop immediately. The gate had certified its own blind spot.

If you are tightening a draft written for someone else in their voice, run a corpus-calibrated structural check first — see plugins/content/skills/blog-post-writer/scripts/slopcheck.py. Two rules that pass list can't encode: