Humanize (Strip AI Writing Tells)
Rewrites AI-sounding text into human-sounding prose using countable rules for sentence rhythm, vocabulary, and punctuation.
Content & WritingIntermediate★ 491⑂ 49AI score 10/10Last updated: Sep 22, 2026
What it does
- Fires automatically on requests like "humanize this", "make it less AI-sounding", or when you ask why a draft reads robotic and generic.
- Rewrites against the nine signals detectors actually measure: perplexity, burstiness, hedge density, lexical repetition, structural markers, specificity, POS density, punctuation fingerprint, and the RLHF "helpful assistant" voice.
- Enforces seven hard rules: em-dash budget (max one per 300 words, zero under 300), no semicolons, straight quotes only, a banned-vocabulary list (delve, leverage, robust, furthermore...), no "not just X, it's Y" negation pivots, output-shape discipline (no preamble or changelog), and a measured sentence-length spread.
- Runs a literal pre-output gate where every tell is counted and quoted from the actual draft, plus a Signal I audit pass that catches rhetorical scaffolding (aphorism closers, anaphora, tricolons, chiasmus, either/or binaries).
- Optional writer-profile distillation: give it your past writing and it extracts 5-10 style hypotheses and matches your register instead of defaulting to terse prose.
Who it's for
- Bloggers, newsletter writers, and LinkedIn posters who draft with AI and want their own voice back.
- Marketing and PR teams stripping brochure language ("nestled in the heart of", "vibrant", "stands as a testament to") from launch copy and about pages.
- Anyone cleaning chat artifacts ("Great question!", "I hope this helps") out of documents before publishing.
Examples
- Paste an AI-drafted launch post and say "humanize this" → you get back prose with em dashes and semicolons removed, a mix of sub-5-word fragments and 25-plus-word sentences, and concrete numbers replacing vague claims.
- Supply three of your older essays and ask for a voice match → it profiles your sentence variance, verbal tics, and transition style, then rewrites in that register.
- Feed it text with zero facts, names, or dates → it rewrites without inventing anything and appends a short note telling you which specifics to add so the specificity signal stops flagging it.
· · · Install guide · · ·
Try it now, no install
Paste this into Claude to use the skill without installing anything.
Read the instructions in this file and follow them to help me: https://raw.githubusercontent.com/harshaneel/humanize/HEAD/plugins/humanize/skills/humanize/SKILL.md What I want: (describe your task here)
If Claude can't open the link, open it yourself and paste the contents instead.
↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.
Install in the Claude app (no terminal)
- Download the ZIP with the button below.
- In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
- Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
Install in Claude Code
Let Claude do it — paste this into Claude Code
Install the skill I found on Claude Skill Mart. Copy the plugins/humanize/skills/humanize folder from the GitHub repo harshaneel/humanize into my ~/.claude/skills/harshaneel-humanize/. When it's done, tell me in one line what this skill can do.
Install with a command instead
git clone https://github.com/harshaneel/humanize.git /tmp/humanize && mkdir -p ~/.claude/skills && cp -r /tmp/humanize/plugins/humanize/skills/humanize ~/.claude/skills/⚠ This is a third-party skill. Check the source repository before installing.
- Open a terminal (Terminal on macOS/Linux, Git Bash or WSL on Windows).
- Clone the repository:
git clone https://github.com/harshaneel/humanize.git - Create the skills directory if needed:
mkdir -p ~/.claude/skills - Copy the skill in:
cp -r humanize/plugins/humanize/skills/humanize ~/.claude/skills/ - Confirm the
references/folder came along (it holds the detection-research background). - Restart Claude Code, paste any draft, and type "humanize this" to trigger the skill.
View source on GitHub ↗License: MIT