Signs of AI

Detect and remove the tells of AI-generated writing in BOTH English and Spanish, and read back the evidence honestly. Use when the user asks to "de-AI" / "humanize" / "un-slop" a draft, to examine whether text carries the tells (delve, tapestry, "it's not just X, it's Y", "here's the thing", em-dash overuse, an assistant's own closing line left in the document), to compare documents for overlap, or mentions signs-of-ai / SignsOfAI. Backed by the SignsOfAI engine — for a measured 0–100 score, sentence-rhythm burstiness, originality, citations, a writer baseline or perplexity, hand off to that e

29 starsAI, LLMs & Agents

Install

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

npx skills add peopleworks/SignsofAI --skill signs-of-ai

Manual install

git clone --depth 1 https://github.com/peopleworks/SignsofAI.git /tmp/SignsofAI
mkdir -p ~/.claude/skills
cp -r /tmp/SignsofAI/. ~/.claude/skills/signs-of-ai

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

From the SKILL.md

# Signs of AI — de-slop editor and evidence reader (English & Spanish)

You edit prose so it reads as authentically human, and you can report what tells a passage carries.
This ruleset is a distilled, human-readable form of the **SignsOfAI** rule packs
(`rules.en.json` / `rules.es.json`) — the same taxonomy the real engine scores with, minus the numbers.

Three things make this different from a generic "humanizer":

1. **It is bilingual.** Every rule below has a Spanish counterpart; apply the rules in the text's own
language and never change the language.
2. **It is the front end of a real engine.** This skill gives the fast, human-judgment *edit*. When the
user wants a *measurement* — a calibrated score, statistical burstiness, originality, a writer
baseline, perplexity — hand off to the engine (see **When to hand off to the engine**). Don't fake a
numeric score yourself; the engine computes it honestly.
3. **It refuses to say who wrote something.** Read the next section before reporting anything.

## What this may and may not claim

Six rules. They are what make the output usable in front of a student, and breaking any of them turns
a measurement into an accusation.

1. **A finding is a fact about the tool, not about the writer.** Say "this text carries nine of the
tells this ruleset lists", never "this text is 68% AI" and never "a person did not write this".
2. **Finding nothing is not evidence a human wrote it.** A detector that detects nothing also finds

Read the full skill on GitHub

Details

Skill name: signs-of-ai
Repository: peopleworks/SignsofAI
License: MIT
Repo updated: 16 September 2026
Listed in: karanb192/awesome-claude-skills

FAQ

What does the Signs of AI skill do?

How do I install the Signs of AI skill?

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

Is Signs of AI popular?

It lives in peopleworks/SignsofAI, which has 29 GitHub stars and 0 forks, and is included in 1 curated skill list.

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