Code Humanizer

Use when AI-written code needs structural cleanup or when implementing a change under a guard against AI coding slop — duplicated reimplementations of existing helpers, try-import fallbacks, broad exception swallowing, speculative abstraction layers, _v2 copies, dead "for future use" code, narrating comments — including requests to "deslop", "remove AI slop", "humanize code", review an AI-generated PR beyond tests passing, or prevent these patterns in the current change.

90 stars 3 forksSoftware Development

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add LeonardNJU/code-humanizer --skill code-humanizer

Manual install

git clone --depth 1 https://github.com/LeonardNJU/code-humanizer.git /tmp/code-humanizer
mkdir -p ~/.claude/skills
cp -r /tmp/code-humanizer/. ~/.claude/skills/code-humanizer

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Code Humanizer

Remove signs of AI-generated code from a repository, or prevent the same patterns in the current change with Guard mode. The prose [humanizer](https://github.com/blader/humanizer) removes AI *writing* patterns; this handles AI *coding* patterns — the structural debt agents leave behind when they optimize for "tests pass" instead of "codebase stays healthy."

**Core principle:** AI code slop is not ugly code — it is code that *works* but degrades the repository: it reimplements what already exists, adds abstraction nobody asked for, swallows errors it should surface, and hedges against situations that cannot occur. Unlike prose, code has an oracle: **the test suite decides what "meaning-preserving" means. Use it constantly.**

## Iron rules

Rules 1–4 govern **cleanup of pre-existing code** in Modes A/B. In Guard mode they apply to any cleanup performed after implementation, not to the requested feature work itself. Rule 5 applies in every mode.

1. **Behavior preservation is absolute.** "Cleanup" that changes behavior is a bug with good intentions. This includes *error types and error timing* — swapping an accidental `AttributeError` for a "nicer" `ValueError` changes behavior for every caller that catches it. If you find a latent bug or an ugly-but-load-bearing behavior: **flag it in the report; never fix it silently as part of cleanup.**

Read the full skill on GitHub

Details

Skill name: code-humanizer
Repository: LeonardNJU/code-humanizer
License: MIT
Repo updated: 26 July 2026

FAQ

What does the Code Humanizer skill do?

How do I install the Code Humanizer skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add LeonardNJU/code-humanizer --skill code-humanizer. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Code Humanizer popular?

It lives in LeonardNJU/code-humanizer, which has 90 GitHub stars and 3 forks.

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