How to use Humanizer in your AI agent

What you'll get

Humanizer edits text that sounds machine-written so it reads like you. It checks for 26 common signs of AI writing, based on Wikipedia's guide to spotting AI text, such as empty contrasts, dramatic one-line closers, inflated claims, sales language, and dashes everywhere. It keeps every fact and never invents details, and it can match your own voice if you share a writing sample.

Step 1 — Get the skill source URL

The Humanizer skill lives at:

Step 2 — Add it to your AI agent

Copy one of these prompts and paste it into your AI tool. The agent will fetch and install the skill for you.

Add the agent skill from https://github.com/blader/humanizer to my project.

Install this agent skill: https://github.com/blader/humanizer

Add this skill to .codex/skills/: https://github.com/blader/humanizer

Add the skill at https://github.com/blader/humanizer to my .gemini/skills/ directory.

Install this agent skill from https://github.com/blader/humanizer

Add this skill: https://github.com/blader/humanizer

Step 3 — Try these prompts

Once the skill is installed, ask your AI things like:

• You drafted a blog post, email, or LinkedIn post with AI and it sounds robotic
• You want a launch announcement to sound like a person, not a press release
• You are editing a colleague's AI-assisted draft before it goes out
• You want AI help with writing but need the final text in your own voice

What this skill does

• Spots 26 common signs of AI writing, strongest first
• Rewrites the text so it sounds natural while keeping every claim and fact
• Matches your personal voice when you paste a sample of your writing
• Refuses to add names, numbers, or quotes that were not in the original
• Can clean up the writing in a whole file, leaving links and data untouched