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Slop Cop

Shares rank 2 of 4 grammar checkers by recommenders

Criticized more than recommended: critics say it flags too many false positives on ordinary writing; those who recommend it cite catching repetitive AI writing patterns and verbose comments in agent output.

9 people recommended Slop Cop in Hacker News comments, 4 had mixed feelings and 20 criticized it, November 2025 to October 2026.

5 of the 9 people who recommend it commented in one thread, “Slop Cop”.

Summary written by Claude from the comments below.

33 people gave an opinion

recommend it
9
mixed feelings
4
warn against or regret it
20

The record

Each figure is one person. RecommendsMixed feelingsCriticizes

Recommended in 4 of 12 months

In 6 different threads.

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended

Why it doesn’t carry the badge

  • 9 people recommend itNeeds 10 or more, not met.
  • 0.4 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 4 of 12 monthsNeeds 4 or more, met.
  • Recommended in 6 threadsNeeds 5 or more, met.
  • 5 of its 9 recommenders came from one threadNeeds half or less, not met.

The same rules apply to every product, and the badge can’t be bought. Mixed feelings count toward neither side. How the badge works

What people say about it

Reasons grouped from a sample of 35 of the 36 opinions about it, picked in proportion to how many people recommend it, have mixed feelings and criticize it. Each mark is one comment in the sample. Open a reason to read what they said.

What people warn about

Each mark is one comment

  • Too many false positives on normal text

    “there are simply too many false positives to make this and any similar tool have any usefulness beyond flagging the most obvious offenders”

    Comment from 18 Apr 2026 in “Slop Cop”

    “Inputting Japanese sentences of any length flags the whole sentence as "Dramatic Fragment: A standalone paragraph with ≤4 words”

    Comment from 18 Apr 2026 in “Slop Cop”

    “This causes very large blocks of my writing to be highlighted as "Hedge Stack" which isn't really helpful.”

    Comment from 18 Apr 2026 in “Slop Cop”
  • Strips personality and voice from writing

    “These kinds of tools only narrow the scope of our expression and over time can suffocate the entire written language”

    Comment from 18 Apr 2026 in “Slop Cop”

    “most (all?) of the suggestions were just stripping the personality out of the writing”

    Comment from 18 Apr 2026 in “Slop Cop”

    “The feedback needs to go away or this thing is just exacerbating the problem.”

    Comment from 17 Apr 2026 in “Slop Cop”
  • Doesn't really detect AI, just grammar

    “It makes the mistake of failing to identify why the AI 'style' feels wrong.”

    Comment from 17 Apr 2026 in “Slop Cop”

    “This doesn't detect AI slop. It's just a grammarly/copilot clone.”

    Comment from 17 Apr 2026 in “Slop Cop”

    “we can't trust the reliability of an AI detector”

    Comment from 17 Apr 2026 in “Slop Cop”
  • Website and UI look unfinished

    “This website itself looks like it was generated by an LLM”

    Comment from 18 Apr 2026 in “Slop Cop”

    “Add Slop API Key' button is a missed opportunity here”

    Comment from 18 Apr 2026 in “Slop Cop”

Why people recommend it

Each mark is one comment

  • Catches LLM writing patterns and cliches

    “I gave Slop Cop 775 words of an essay by Schopenhauer (translated into English) and got "15 patterns detected.”

    Comment from 26 Apr 2026 in “The West Forgot How to Make Things. Now It's Forgetting How to Code”

    “I like the effect of a multicolored slab of highlights calling out every LLM cliche in a passage”

    Comment from 17 Apr 2026 in “Slop Cop”

    “It caught a "Short-Hook Paragraph" and "Negation Pivot" and "Staccato Burst" in one text.”

    Comment from 18 Apr 2026 in “Slop Cop”
  • Cleans up verbose agent-written code comments

    “I tell my agents to "run slopocop against the updated files before committing" and I am finally free of "load bearing", incredibly verbose comments”

    Comment from 10 Aug 2026 in “Slopocop: ESLint for TypeScript Slop”

    “The insane comments are why I wrote slopocop - they were driving me crazy!”

    Comment from 14 Aug 2026 in “Why does Opus 5 feel worse to work with?”
  • Catchy, self-explanatory name

    “Name seems fine. Catchy, and I knew what I did before opening link.”

    Comment from 17 Apr 2026 in “Slop Cop”

    “Catchy, rhymes, and immediately tells you what it does.”

    Comment from 18 Apr 2026 in “Slop Cop”
  • Useful for business and everyday writing

    “I think this can be useful for business writing”

    Comment from 17 Apr 2026 in “Slop Cop”

    “this tool would help with those cases”

    Comment from 18 Apr 2026 in “Slop Cop”

Other grammar checkers people recommend

The three most recommended other grammar checkers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Slop Cop compared with 3 alternatives
ProductRecommendMixedCriticizeApprovalMonthsHad forBadge
Grammarly1646320%9——
Slop CopThis page942031%4——
LanguageTool93282%6——
Hemingway Editor60186%4——
See all 4 grammar checkers, ranked

What people said

35 of the 36 opinions about it, picked in proportion to the three counts, newest first. Each links to the original comment.

“ranks much cleaner on slop-cop”

RecommendsComment from 19 Oct 2026 in “Show HN: Qwen3-4B with the AI writing tics trained out”

“Please don't be so hasty to discount the content.”

RecommendsComment from 4 Oct 2026 on Hacker News

“The insane comments are why I wrote slopocop - they were driving me crazy!”

RecommendsComment from 14 Aug 2026 in “Why does Opus 5 feel worse to work with?”

“I tell my agents to "run slopocop against the updated files before committing" and I am finally free of "load bearing", incredibly verbose comments”

RecommendsComment from 10 Aug 2026 in “Slopocop: ESLint for TypeScript Slop”

“I gave Slop Cop 775 words of an essay by Schopenhauer (translated into English) and got "15 patterns detected.”

MixedComment from 26 Apr 2026 in “The West Forgot How to Make Things. Now It's Forgetting How to Code”

“yup same just tried it myself which an email I wrote.”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“It caught a "Short-Hook Paragraph" and "Negation Pivot" and "Staccato Burst" in one text.”

RecommendsComment from 18 Apr 2026 in “Slop Cop”

“These kinds of tools only narrow the scope of our expression and over time can suffocate the entire written language”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“found the results pretty mediocre”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“Nice work. But it only goes half way.”

MixedComment from 18 Apr 2026 in “Slop Cop”

“This is the Hemingway Editor by another name, and I have the same complaint about it”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“Catchy, rhymes, and immediately tells you what it does.”

RecommendsComment from 18 Apr 2026 in “Slop Cop”

“It seems to report Triple Construction based just on commas”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“this tool would help with those cases”

RecommendsComment from 18 Apr 2026 in “Slop Cop”

“A handy tool. Bookmarked.”

RecommendsComment from 18 Apr 2026 in “Slop Cop”

“This website itself looks like it was generated by an LLM”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“That’s just AI generated text with extra steps.”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“Welp, I guess it's back to school for mr. Asimov...”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“Add Slop API Key' button is a missed opportunity here”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“there are simply too many false positives to make this and any similar tool have any usefulness beyond flagging the most obvious offenders”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“Inputting Japanese sentences of any length flags the whole sentence as "Dramatic Fragment: A standalone paragraph with ≤4 words”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“they usually serve to win an argument, or confirm what you already believe”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“This causes very large blocks of my writing to be highlighted as "Hedge Stack" which isn't really helpful.”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“most (all?) of the suggestions were just stripping the personality out of the writing”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“17 patterns identified out of only 305 words”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“And it's unnecessarily rude.”

CriticizesComment from 18 Apr 2026 in “Slop Cop”

“I like the effect of a multicolored slab of highlights calling out every LLM cliche in a passage”

MixedComment from 17 Apr 2026 in “Slop Cop”

“Name seems fine. Catchy, and I knew what I did before opening link.”

RecommendsComment from 17 Apr 2026 in “Slop Cop”

“I think this can be useful for business writing”

MixedComment from 17 Apr 2026 in “Slop Cop”

“This is a genuinely useful tool”

RecommendsComment from 17 Apr 2026 in “Slop Cop”

“It makes the mistake of failing to identify why the AI 'style' feels wrong.”

CriticizesComment from 17 Apr 2026 in “Slop Cop”

“It detected 4 likely AI patterns, or once every 22 words.”

CriticizesComment from 17 Apr 2026 in “Slop Cop”

“This doesn't detect AI slop. It's just a grammarly/copilot clone.”

CriticizesComment from 17 Apr 2026 in “Slop Cop”

“The feedback needs to go away or this thing is just exacerbating the problem.”

CriticizesComment from 17 Apr 2026 in “Slop Cop”

“we can't trust the reliability of an AI detector”

CriticizesComment from 17 Apr 2026 in “Slop Cop”

Counts come from 1,791,911 Hacker News comments labeled by Claude, November 2025 to October 2026, with data through October 31, 2026. Counts updated 2 Nov 2026. How we count. Report a mistake.