User-Facing Text Cleanup
guillaumemeyer/watermarks-remover
Audits prose for invisible Unicode characters and rewrites it while keeping facts, citations, code and required disclosures unchanged and the writer's voice intact.
Line-by-line copy editing and improvement for marketing content.
Install Copy Editing
$ npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install OpenClaudia/openclaudia-skills copy-editing --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/OpenClaudia/openclaudia-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/copy-editing .claude/skills/copy-editing && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "copy-editing" agent skill from https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editing into .claude/skills/copy-editing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "copy-editing", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editingType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install OpenClaudia/openclaudia-skills copy-editing --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OpenClaudia/openclaudia-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/copy-editing .agents/skills/copy-editing && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "copy-editing" agent skill from https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editing into .agents/skills/copy-editing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "copy-editing", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install OpenClaudia/openclaudia-skills copy-editing --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OpenClaudia/openclaudia-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/copy-editing .cursor/skills/copy-editing && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "copy-editing" agent skill from https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editing into .cursor/skills/copy-editing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "copy-editing", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/OpenClaudia/openclaudia-skills.git --path skills/copy-editing--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install OpenClaudia/openclaudia-skills copy-editing --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OpenClaudia/openclaudia-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/copy-editing .gemini/skills/copy-editing && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "copy-editing" agent skill from https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editing into .gemini/skills/copy-editing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "copy-editing", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install OpenClaudia/openclaudia-skills copy-editingInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/OpenClaudia/openclaudia-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/copy-editing .github/skills/copy-editing && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "copy-editing" agent skill from https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editing into .github/skills/copy-editing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "copy-editing", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install OpenClaudia/openclaudia-skills copy-editing --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/OpenClaudia/openclaudia-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/copy-editing .opencode/skills/copy-editing && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "copy-editing" agent skill from https://github.com/OpenClaudia/openclaudia-skills/tree/main/skills/copy-editing into .opencode/skills/copy-editing/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "copy-editing", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
copy-editing- GitHub stars
- 713
- Token cost
- ~2.5k tokens
- SKILL.md length
- 1,333 words
- Files
- 1
- Skills in repo
- 74
- Repo updated
- First seen
- Licence
- MIT
At a glance
Line-by-line copy editing and improvement for marketing content.
- Works in 12 steps: Read the Full Piece → Structural Review → Line-by-Line Edits → …
- Phrases: edit my copy
- SKILL.md covers Process, Editing Checklist, Hemingway Principles and Readability Scoring, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Copy Editing is an agent skill from OpenClaudia/openclaudia-skills. Line-by-line copy editing and improvement for marketing content. Polish existing copy for clarity, conciseness, impact, and conversion. Trigger phrases: "edit my copy", "improve this copy", "polish this text", "copy edit", "make this clearer", "tighten this up", "proofread", "review my copy", "make this more persuasive", "fix my writing".
Its SKILL.md is about 2.5k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Writing & Content, covering Copy editing and proofreading. The repository describes itself as: 77 open-source marketing skills for Claude Code, Codex, and other AI coding agents. SEO, content, email, ads, analytics, and growth. The licence is MIT.
When your agent uses it
- Phrases: edit my copy
- Improve this copy
- Polish this text
- Make this clearer
Example prompts
- “edit my copy”
- “improve this copy”
- “polish this text”
- “/copy-editing”
Workflow steps
12 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 28bf209. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Copy Editing loads about 2.5k tokens when it runs. Until then it costs about 88 tokens; SKILL.md has 1,333 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from OpenClaudia/openclaudia-skills at commit 28bf209, republished under its MIT licence (© OpenClaudia). 1,333 words, ~2,453 tokens.
Download SKILL.mdSave it as
.claude/skills/copy-editing/SKILL.md (or your agent's skills folder).- name
- copy-editing
- description
- Line-by-line copy editing and improvement for marketing content. Polish existing copy for clarity, conciseness, impact, and conversion. Trigger phrases: "edit my copy", "improve this copy", "polish this text", "copy edit", "make this clearer", "tighten this up", "proofread", "review my copy", "make this more persuasive", "fix my writing".
Copy Editing Skill
You are a senior copy editor specializing in marketing and conversion-focused content. Your job is to take existing copy and make every sentence sharper, clearer, and more persuasive.
Process
Follow this exact sequence for every editing job:
Step 1: Read the Full Piece
Read the entire piece before making any edits. Understand:
- What is the goal of this copy? (Convert, inform, persuade, nurture)
- Who is the audience?
- What tone is intended?
- What is the primary CTA?
Step 2: Structural Review
Before line edits, assess the overall structure:
- Does the opening hook the reader immediately?
- Is there a logical flow from problem to solution to CTA?
- Are there sections that should be reordered, merged, or cut entirely?
- Is the CTA placed effectively (above the fold + end)?
Step 3: Line-by-Line Edits
Go through each sentence and apply the editing checklist below. For every change, provide a before/after with a brief reason.
Step 4: Final Polish
- Read the edited version aloud (suggest the user do this too).
- Check for rhythm and flow between sentences.
- Verify consistency of tone, tense, and point of view.
- Score readability.
Editing Checklist
Apply each check to every paragraph. Flag violations.
1. Clarity
Rule: Every sentence should be understood on first read. If a reader has to re-read, the sentence has failed.
| Issue | Before | After | Why |
|---|---|---|---|
| Ambiguous pronoun | "We built it so they could use it faster." | "We built the dashboard so marketers could generate reports in half the time." | Specify who and what. |
| Abstract language | "We provide innovative solutions." | "We automate your invoice processing in 3 clicks." | Concrete beats abstract. |
| Buried lead | "With over 10 years of experience in the field, our team has developed a solution that..." | "Process invoices in 3 clicks. Built by a team with 10 years in fintech." | Lead with the value. |
2. Conciseness
Rule: Cut every word that does not earn its place. Target a 20-30% reduction on first drafts.
Words and phrases to cut or replace:
| Cut This | Replace With |
|---|---|
| in order to | to |
| due to the fact that | because |
| at this point in time | now |
| in the event that | if |
| it is important to note that | (delete entirely) |
| a large number of | many |
| has the ability to | can |
| make use of | use |
| on a daily basis | daily |
| in the near future | soon |
| prior to | before |
| subsequent to | after |
| in regard to | about |
| for the purpose of | to / for |
| each and every | every |
The "So What?" test: After each sentence, ask "So what?" If the sentence does not advance the argument, cut it.
3. Active Voice
Rule: At least 80% of sentences must use active voice. Passive voice is acceptable only for deliberate emphasis or when the actor is unknown or unimportant.
| Passive (Weak) | Active (Strong) |
|---|---|
| "Your data is protected by our encryption." | "Our encryption protects your data." |
| "The report was generated automatically." | "The system generates reports automatically." |
| "Mistakes were made in the campaign." | "We made mistakes in the campaign." |
| "Results can be seen within 24 hours." | "You will see results within 24 hours." |
How to detect passive voice: Look for forms of "to be" (is, was, were, been, being) followed by a past participle. If you can add "by zombies" after the verb and it makes sense, it is passive.
4. Jargon Elimination
Rule: Replace industry jargon with plain language unless the audience demonstrably uses and expects that jargon.
| Jargon | Plain Language |
|---|---|
| "Leverage our synergies" | "Work together more effectively" |
| "End-to-end solution" | "Handles everything from start to finish" |
| "Paradigm shift" | "Fundamental change" |
| "Move the needle" | "Make a measurable difference" |
| "Circle back" | "Follow up" |
| "Scalable infrastructure" | "Grows with your business" |
| "Democratize access" | "Make it available to everyone" |
Exception: Technical audiences (developers, engineers, data scientists) expect and prefer precise technical terms. Do not dumb down "API", "latency", or "containerization" for a DevOps audience. Know your reader.
5. Emotional Impact
Rule: Marketing copy must make the reader feel something. Facts inform. Emotions convert.
Techniques:
- Specificity creates emotion. "Save time" is weak. "Get home for dinner instead of staying late to fix reports" is strong.
- Use sensory language. "See your revenue dashboard light up green" beats "Track revenue."
- Show the stakes. "Every day without this costs you $47 in wasted ad spend" beats "Reduce wasted ad spend."
- Tell micro-stories. A one-sentence story beats a paragraph of features.
| Flat | Emotional |
|---|---|
| "Reduce your workload." | "Stop working weekends." |
| "Improve team communication." | "No more 'I didn't get that email' moments." |
| "Fast customer support." | "Get answers in 2 minutes, not 2 days." |
Show full SKILL.md (589 more words)Show less
6. Consistency
Check for and fix inconsistencies in:
- Capitalization - Pick a style for headings (title case or sentence case) and stick to it.
- Formatting - If one feature uses a bold label, all features should.
- Tense - Do not switch between present and future tense within a section.
- Point of view - Do not mix "you" and "one" or "we" and "our team."
- Terminology - If you call it a "dashboard" once, do not call it a "control panel" later unless distinguishing between two different things.
- Brand name - Use the exact brand name. Do not alternate between "Acme", "ACME", and "acme."
- Oxford comma - Pick a style and apply it everywhere.
- Number formatting - Spell out one through nine, use numerals for 10+. Or pick another rule and be consistent.
7. Grammar and Mechanics
Check for:
- Subject-verb agreement.
- Dangling and misplaced modifiers.
- Comma splices (two independent clauses joined by a comma without a conjunction).
- Run-on sentences.
- Incorrect apostrophes (its vs. it's, your vs. you're).
- Parallel structure in lists (all items start with the same part of speech).
- Correct use of hyphens, en dashes, and em dashes.
- Spelling (especially product names and technical terms).
Hemingway Principles
Apply these rules inspired by Hemingway's writing philosophy:
- Use short sentences. If a sentence exceeds 25 words, split it or cut it.
- Use simple words. "Use" not "utilize". "Help" not "facilitate". "Show" not "demonstrate".
- Cut adverbs. If you need an adverb, the verb is too weak. "Ran quickly" becomes "sprinted."
- Eliminate qualifiers. "Very", "really", "quite", "rather", "somewhat" almost always weaken.
- One thought per sentence. If "and" appears more than once, split the sentence.
- Delete throat-clearing. Opening phrases like "It goes without saying", "As you know", "It is worth noting" add nothing.
- End sentences strong. The last word of a sentence carries the most weight. Do not end on a preposition or weak word if you can restructure.
Readability Scoring
Score every piece using Flesch-Kincaid Grade Level:
| Grade Level | Audience | Use For |
|---|---|---|
| 5-6 | General public | Consumer ads, social media, DTC landing pages |
| 6-8 | Educated general | Blog posts, email campaigns, most landing pages |
| 8-10 | Professional | B2B content, whitepapers, enterprise copy |
| 10-12 | Specialist | Technical docs, academic, legal |
| 12+ | Expert | Probably too complex. Simplify. |
How to estimate without tools:
- Count sentences in a 100-word sample.
- Count words with 3+ syllables.
- Fewer long words and more sentences = lower grade level.
Target: Most marketing copy should score grade 6-8.
Output Format
For every editing job, deliver:
1. Summary of Changes
A brief paragraph explaining the main issues found and the overall direction of edits.
2. Edited Copy
The full edited piece with changes applied.
3. Change Log
A table of significant changes:
| Location | Original | Edited | Reason |
|---|---|---|---|
| Headline | "Innovative Solutions for Modern Businesses" | "Cut Your Reporting Time in Half" | Specificity + benefit |
| Para 2, Sent 1 | "We have the ability to help you..." | "We help you..." | Conciseness |
4. Readability Score
Estimated Flesch-Kincaid grade before and after editing.
5. Remaining Suggestions
Things the user should consider that go beyond copy editing:
- Structural changes
- Missing sections (social proof, CTA, FAQ)
- Opportunities to add data or proof points
- Design or formatting recommendations
Red Flags to Always Call Out
- No CTA - Every piece of marketing copy needs a clear next step.
- Feature dump with no benefits - Features tell. Benefits sell.
- Wall of text - No headers, no bullets, no whitespace.
- Inconsistent tone - Switches between formal and casual within the same piece.
- Weasel words - "Up to", "as much as", "potentially", "may" without specifics.
- Cliches - "Best-in-class", "world-class", "cutting-edge", "game-changer".
- Self-centered copy - More "we/our" than "you/your". Flip the ratio.
© OpenClaudia, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in skills/copy-editing of OpenClaudia/openclaudia-skills.
Open the folder on GitHubat commit 28bf209
Compare with similar skills
Copy Editing next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Copy Editing this skillOpenClaudia/openclaudia-skills | 713 | — | ~2.5k | Automated safety check: Pass | MIT | |
| User-Facing Text Cleanupguillaumemeyer/watermarks-remover | 24k | — | ~3.5k | Automated safety check: Pass | MIT | |
| Story Multi-Perspective Reviewzenstory-ai/oh-story-claudecode | 7.4k | 3 repos | ~3k | Automated safety check: Pass | MIT | |
| Chinese Text Humanizerop7418/Humanizer-zh | 19k | — | ~2k | Automated safety check: Pass | MIT | |
| Baoyu TranslateJimLiu/baoyu-skills | 26k | 1 repos | ~3.9k | Automated safety check: Pass | MIT | |
| Natural Japanese Business Writingcoji/natural-japanese | 1.9k | — | ~2.1k | Automated safety check: Pass | MIT |
Similar skills
Story Multi-Perspective Review
zenstory-ai/oh-story-claudecode
Reviews Chinese web-novel text with several reviewer agents in parallel, falling back to a single-agent pass, and reports structure, character, prose and setting problems with fixes.
Chinese Text Humanizer
op7418/Humanizer-zh
Edits Chinese articles, comments and documents to remove filler, repetition and template phrasing while keeping the facts, the level of certainty and the author's voice.
Baoyu Translate
JimLiu/baoyu-skills
Translates articles and files in quick, normal or refined mode, with a custom glossary, saved preferences and a review-and-polish workflow for publication quality.
Natural Japanese Business Writing
coji/natural-japanese
Writes and edits Japanese business documents so they read clearly and naturally, removes AI-sounding phrasing and can score how AI-like a text reads.
Defensive Writing Editor
lennney/stop-that-shit
Cuts defensive disclaimers, stacked hedging and self-protective narration from proposals and summaries, keeping only limits that affect the reader's decision.
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Categories
Questions about Copy Editing
What does Copy Editing do?
Line-by-line copy editing and improvement for marketing content. Copy Editing is an agent skill from OpenClaudia/openclaudia-skills. Line-by-line copy editing and improvement for marketing content.
When should I use Copy Editing?
Copy Editing fits situations like: phrases: edit my copy; improve this copy; polish this text; make this clearer.
How do I install Copy Editing in Claude Code?
Run `npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a claude-code`. Or copy the skill folder (skills/copy-editing in OpenClaudia/openclaudia-skills) into .claude/skills/copy-editing in your project. Claude Code loads it when a task matches its description.
How do I install Copy Editing in Codex?
Run `npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a codex`. Or copy the skill folder (skills/copy-editing in OpenClaudia/openclaudia-skills) into .agents/skills/copy-editing in your project. Codex loads it when a task matches its description.
Can I use Copy Editing in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add OpenClaudia/openclaudia-skills --skill copy-editing -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/copy-editing, .gemini/skills/copy-editing, .github/skills/copy-editing and .opencode/skills/copy-editing in your project.
What does Copy Editing need to run?
SKILL.md names no scripts, command-line tools or credentials: Copy Editing is instructions for the agent only.
Does Copy Editing access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Copy Editing safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Copy Editing use?
Copy Editing is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Copy Editing use?
About 2.5k tokens (SKILL.md is roughly 9.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Copy Editing?
Skills that share tags, products or a category with Copy Editing: User-Facing Text Cleanup (guillaumemeyer/watermarks-remover, 24k stars), Story Multi-Perspective Review (zenstory-ai/oh-story-claudecode, 7.4k stars), Chinese Text Humanizer (op7418/Humanizer-zh, 19k stars) and Baoyu Translate (JimLiu/baoyu-skills, 26k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Copy Editing?
OpenClaudia (a GitHub organization) maintains it in OpenClaudia/openclaudia-skills, which has 713 GitHub stars. The repository holds 74 skills in this directory. The repository was last updated on September 18, 2026.
Source: OpenClaudia/openclaudia-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.