"Humanizer," a skill for Claude Code and OpenCode that removes AI-ness from AI-generated text to make it more natural and human-like

Humanizer, a new skill for Claude Code and OpenCode, rewrites AI-generated text to sound more natural and human.

It detects common AI-writing patterns using 29 signals based on Wikipedia’s AI writing markers guide.

The tool also includes voice calibration to better match an individual’s writing style.

The article notes it is designed primarily for English, while a Japanese fork is also available.