stop-slop

what it does

Remove AI writing patterns from prose. Use when drafting, editing, or reviewing text to eliminate predictable AI tells.

by Hardik Pandya · Hardik Pandya, MIT · version 1 · license MIT

Verified Before and after: 2 models 1 try per case View source Download .zip

Compare the answers

Answers from Claude Sonnet 5.5 and GPT-6.1 Sol · try 1 of 1

Same request, same model, once with the skill and once without. Read both and judge for yourself.

“Write a short email telling our customers we're raising the Pro plan price, and why.”

Source material given with the request

Product: Ledgerline, bookkeeping software for freelancers. Pro plan goes from $12 to $15 per month on March 1, 2027. First increase since 2022. Reasons: payroll features added in 2026 and higher card-processing fees. Current customers keep $12 until June 1, 2027.

with the skill

Subject: Ledgerline Pro pricing update Hi, We’re raising Ledgerline Pro from $12 to $15 per month on March 1, 2027. This is our first price increase since 2022. The new price helps us cover the payroll features we added in 2026 and higher card-processing fees. As a current customer, you’ll keep your $12 monthly rate until June 1, 2027. Your rate will increase to $15 per month on that date. Thank you for choosing Ledgerline for your bookkeeping. The Ledgerline team

without

Subject: An update to Ledgerline Pro pricing Hi, On March 1, 2027, Ledgerline Pro will increase from $12 to $15 per month—our first price increase since 2022. This change reflects the payroll features we added in 2026 and higher card-processing fees. As a current customer, you’ll keep your $12 monthly rate until June 1, 2027, when the new $15 rate takes effect for you. Thank you for choosing Ledgerline for your bookkeeping. The Ledgerline Team

Answers are shown exactly as the model wrote them, from the first try, and nothing is picked by hand.

The models

2 models

Claude Sonnet 5.5

made by Anthropic

claude-sonnet-5-5 · revision not reported by the provider

1 try per case · tested 1 Nov 2026

GPT-6.1 Sol

made by OpenAI

gpt-6.1-sol · revision not reported by the provider

1 try per case · tested 1 Nov 2026

The tasks

written by Carte Blanche

essay-opening

“Write the first two paragraphs of a blog post arguing that teams under ten people should stop holding daily standups.”

explain-retries

“Explain to a new engineer why our service retries failed webhook deliveries with exponential backoff. Two short paragraphs.”

launch-post

“Write a LinkedIn post announcing that we shipped offline mode for our note-taking app. About 150 words.”

price-change-email

“Write a short email telling our customers we're raising the Pro plan price, and why.”

tighten-blog-paragraph

“Tighten this paragraph for our company blog.”

Install

Download the .zip and unzip it. Put its files, in a folder named stop-slop, here:

Claude Code~/.claude/skills/Every project. For one project only, use .claude/skills/ inside it.

Codex~/.agents/skills/Every project. For one repository only, use .agents/skills/ inside it.

Cursor~/.cursor/skills/Cursor also reads the Claude Code and Codex folders above.

Then start a new session and ask for what the skill does. Other agents that read SKILL.md have their own skills folder; check their docs.

Coming after launch: get skills from inside your agent, no download needed.