STE80 Humanizer is an agent skill that rewrites AI-generated text for readability while aiming to preserve its meaning and facts. It combines two passes: first, it removes 26 common “AI tells,” such as staged openings, forced contrasts, dramatic closing lines, and excessive dashes; second, it restructures sentences using principles from ASD-STE100, the controlled English standard developed for aerospace maintenance documentation. The second pass favors short sentences, one idea at a time, active voice, simple tenses, and focused paragraphs. The default targets roughly 80% of the standard’s strictness, retaining ordinary words and natural phrasing rather than making prose sound like a manual.
The README argues that removing conspicuous phrases alone is not enough: text can use cleaner words and still bury several ideas in long, passive, hedged sentences. The tool therefore offers default humanizing, a lighter-touch mode, and strict STE for procedures or safety notes. It also claims to prioritize fidelity: preserve facts and qualifications, add nothing, and flag contradictions; users can provide a writing sample so rewrites better match their voice. It is designed for coding and writing agents including Claude Code, Codex, and Cursor, and can be installed through Skills.sh or as a Claude plugin. Its stated goal is easier-to-read writing, not evading AI detectors.
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