Brand Voice Guide
luongnv89/claude-howto
Ensure all communication matches brand voice and tone guidelines. Use when creating marketing copy, customer communications, public-facing content, or when…
Product copy formula library. An agent skill from revfactory/harness-100.
Install Product Copy Formulas
$ npx skills add revfactory/harness-100 --skill product-copy-formulas -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install revfactory/harness-100 product-copy-formulas --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/revfactory/harness-100.git skills-src && mkdir -p .claude/skills && cp -r skills-src/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas .claude/skills/product-copy-formulas && 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 "product-copy-formulas" agent skill from https://github.com/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas into .claude/skills/product-copy-formulas/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "product-copy-formulas", 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/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulasType 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 revfactory/harness-100 --skill product-copy-formulas -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install revfactory/harness-100 product-copy-formulas --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .agents/skills && cp -r skills-src/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas .agents/skills/product-copy-formulas && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "product-copy-formulas" agent skill from https://github.com/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas into .agents/skills/product-copy-formulas/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "product-copy-formulas", 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 revfactory/harness-100 --skill product-copy-formulas -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install revfactory/harness-100 product-copy-formulas --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas .cursor/skills/product-copy-formulas && 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 "product-copy-formulas" agent skill from https://github.com/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas into .cursor/skills/product-copy-formulas/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "product-copy-formulas", 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/revfactory/harness-100.git --path en/97-ecommerce-launcher/.claude/skills/product-copy-formulas--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 revfactory/harness-100 --skill product-copy-formulas -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install revfactory/harness-100 product-copy-formulas --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas .gemini/skills/product-copy-formulas && 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 "product-copy-formulas" agent skill from https://github.com/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas into .gemini/skills/product-copy-formulas/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "product-copy-formulas", 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 revfactory/harness-100 product-copy-formulasInstalls 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 revfactory/harness-100 --skill product-copy-formulas -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .github/skills && cp -r skills-src/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas .github/skills/product-copy-formulas && 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 "product-copy-formulas" agent skill from https://github.com/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas into .github/skills/product-copy-formulas/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "product-copy-formulas", 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 revfactory/harness-100 --skill product-copy-formulas -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install revfactory/harness-100 product-copy-formulas --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas .opencode/skills/product-copy-formulas && 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 "product-copy-formulas" agent skill from https://github.com/revfactory/harness-100/tree/main/en/97-ecommerce-launcher/.claude/skills/product-copy-formulas into .opencode/skills/product-copy-formulas/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "product-copy-formulas", 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
product-copy-formulas- GitHub stars
- 1.3k
- Token cost
- ~1.1k tokens
- SKILL.md length
- 231 words
- Files
- 1
- Skills in repo
- 464
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Product copy formula library. An agent skill from revfactory/harness-100.
- Ad copy requests
- SKILL.md covers Copy Formulas, Product Name Formulas, Channel-Specific Copy Guide and Prohibited Expressions (Fair…, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Tasks that involve Copywriting
What it does
Product Copy Formulas is an agent skill from revfactory/harness-100. Product copy formula library. Referenced by the detail-page-writer and marketing-manager agents when writing purchase-driving copy. Use for 'product copy', 'marketing copy', or 'ad copy' requests. Ad placement and design mockup creation are out of scope.
Its SKILL.md is about 1.1k 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 Copywriting. The licence is Apache-2.0.
When your agent uses it
- Ad copy requests
- Tasks that involve Copywriting
Example prompts
- “product copy”
- “marketing copy”
- “ad copy”
- “/product-copy-formulas”
What it can do on your machine
Read from SKILL.md and the folder at commit 8e8d35c. 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
Product Copy Formulas loads about 1.1k tokens when it runs. Until then it costs about 69 tokens; SKILL.md has 231 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 revfactory/harness-100 at commit 8e8d35c, republished under its Apache-2.0 licence (© revfactory). 231 words, ~1,065 tokens.
Download SKILL.mdSave it as
.claude/skills/product-copy-formulas/SKILL.md (or your agent's skills folder).- name
- product-copy-formulas
- description
- Product copy formula library. Referenced by the detail-page-writer and marketing-manager agents when writing purchase-driving copy. Use for 'product copy', 'marketing copy', or 'ad copy' requests. Ad placement and design mockup creation are out of scope.
Product Copy Formulas — Product Copywriting Formulas
Enhances the copywriting capabilities of the detail-page-writer and marketing-manager agents.
Copy Formulas
PAS (Problem-Agitate-Solution)
P: [Empathize with the customer's problem/pain]
A: [Amplify the severity of the problem]
S: [Present the product as the solution]
Example:
P: "Tired of looking in the mirror every morning and sighing at your dull skin?"
A: "In your busy life, you never have the time or energy for a proper routine."
S: "Our 30-second all-in-one serum transforms your mornings."FAB (Feature-Advantage-Benefit)
F: [Product feature/spec]
A: [Advantage over competitors]
B: [Benefit the customer receives]
Example:
F: "5000mAh high-capacity battery"
A: "Lasts 40% longer than competing products"
B: "Use all day without worrying about charging"AIDA (Attention-Interest-Desire-Action)
A: [One line that grabs attention]
I: [Specific benefits to spark interest]
D: [Social proof/visualization to build desire]
A: [Clear CTA]
Example:
A: "The sleep revolution chosen by 100,000 people"
I: "NASA-technology memory foam analyzes your sleep patterns"
D: "89% of users experienced improved sleep quality from the first night"
A: "Get started now -> 30-day free trial"BAB (Before-After-Bridge)
Before: [Current state/problem]
After: [Ideal future]
Bridge: [Product as the bridge]
Example:
Before: "Spending 30 minutes every day organizing the kitchen?"
After: "Imagine a day where you focus only on cooking in a spotless kitchen."
Bridge: "The auto-sort organizer makes that transformation happen."Product Name Formulas
Naming Structure
[Brand] + [Core Keyword] + [Differentiator] + [Category]
Example:
"MuRo SilkTouch Moisture Cream 50ml"
"EcoFarm Organic Camu Camu Vitamin C 1000mg"Search Optimization (SEO)
Required keywords to include:
1. Product category (cream, serum, ampoule)
2. Key ingredients/materials (hyaluronic acid, retinol)
3. Size/volume (50ml, XL)
4. Target/use case (dry skin, women's, summer)
Character count: 25-40 characters (varies by platform)Channel-Specific Copy Guide
Detail Page (Product Description)
| Placement | Character Count | Focus |
|---|---|---|
| Main Copy | 15-20 chars | Single core USP |
| Sub Copy | 30-50 chars | Benefit specification |
| Benefit Bullets | 10-15 chars each | Icon + short phrase |
| Review Prompt | 20-30 chars | Call to action |
Ad Copy (Social Media)
| Platform | Headline | Body | CTA |
|---|---|---|---|
| Naver Shopping | 25 chars | 45 chars | 15 chars |
| One line | 150 chars | Hashtags | |
| Kakao | 20 chars | 30 chars | Button |
Copy Tone Matrix
| Brand Position | Tone | Example |
|---|---|---|
| Premium | Refined, restrained | "The care your skin truly remembers" |
| Value | Practical, direct | "This performance at this price — unbelievable" |
| Trendy | Witty, relatable | "That product everyone on social media is raving about — finally here!" |
| Expert | Trustworthy, evidence-based | "Recommended by 92% of dermatologists" |
| Friendly | Conversational, warm | "Try it once and you'll see — trust us" |
Prohibited Expressions (Fair Trade Compliance)
| Prohibited | Alternative |
|---|---|
| "Best", "First", "Only" | "Leading", "Pioneer" |
| "100% effective" | "N% of users experienced" |
| "Instant results" | "With consistent use" |
| "Treat", "Cure" | "Improve", "Care for" |
| Unsubstantiated comparisons | Based on certified data |
Quality Checklist
| Item | Criteria |
|---|---|
| Copy Formula | At least 1 of PAS/FAB/AIDA applied |
| Benefit Focus | Benefits emphasized over features |
| Social Proof | Includes numerical evidence |
| CTA | Clear call to action |
| Legal Compliance | No prohibited expressions |
| Tone Consistency | Matches brand positioning |
© revfactory, Apache-2.0. 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 en/97-ecommerce-launcher/.claude/skills/product-copy-formulas of revfactory/harness-100.
Open the folder on GitHubat commit 8e8d35c
Compare with similar skills
Product Copy Formulas 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 |
|---|---|---|---|---|---|---|
| Product Copy Formulas this skillrevfactory/harness-100 | 1.3k | — | ~1.1k | Automated safety check: Pass | Apache-2.0 | |
| Brand Voice Guideluongnv89/claude-howto | 42k | — | ~609 | Automated safety check: Pass | MIT | |
| E-commerce Visual Copywritingfeichanggege/ecommerce-visual-copywriting-skill | 858 | — | ~1.3k | Automated safety check: Pass | MIT | |
| WeChat Account Topic and Title WriterBigPengSays/bigpeng-hot-gzh | 265 | — | ~501 | Automated safety check: Pass | MIT | |
| WeChat Article Writerliuyueyi/spring-ai-demo | 138 | 1 repos | ~244 | Automated safety check: Pass | None | |
| Hormozi Ad Factorypedronauck/skills | 634 | — | ~2.1k | Automated safety check: Pass | None |
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WeChat Account Topic and Title Writer
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Produces topic directions and candidate headlines for WeChat official account articles using seven title formulas, without writing the article itself.
WeChat Article Writer
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Runs a four-step workflow for WeChat official account articles: research the topic, draft in your saved style, produce five headline options, and tune the layout.
Hormozi Ad Factory
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Generates 150-750+ ad variations using Alex Hormozi's combinatorial Hook x Meat x CTA framework.
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Categories
Questions about Product Copy Formulas
What does Product Copy Formulas do?
Product copy formula library. An agent skill from revfactory/harness-100. Product Copy Formulas is an agent skill from revfactory/harness-100. Product copy formula library.
When should I use Product Copy Formulas?
Product Copy Formulas fits situations like: ad copy requests; tasks that involve Copywriting.
How do I install Product Copy Formulas in Claude Code?
Run `npx skills add revfactory/harness-100 --skill product-copy-formulas -a claude-code`. Or copy the skill folder (en/97-ecommerce-launcher/.claude/skills/product-copy-formulas in revfactory/harness-100) into .claude/skills/product-copy-formulas in your project. Claude Code loads it when a task matches its description.
How do I install Product Copy Formulas in Codex?
Run `npx skills add revfactory/harness-100 --skill product-copy-formulas -a codex`. Or copy the skill folder (en/97-ecommerce-launcher/.claude/skills/product-copy-formulas in revfactory/harness-100) into .agents/skills/product-copy-formulas in your project. Codex loads it when a task matches its description.
Can I use Product Copy Formulas 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 revfactory/harness-100 --skill product-copy-formulas -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/product-copy-formulas, .gemini/skills/product-copy-formulas, .github/skills/product-copy-formulas and .opencode/skills/product-copy-formulas in your project.
What does Product Copy Formulas need to run?
SKILL.md names no scripts, command-line tools or credentials: Product Copy Formulas is instructions for the agent only.
Does Product Copy Formulas 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 Product Copy Formulas 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 Product Copy Formulas use?
Product Copy Formulas is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Product Copy Formulas use?
About 1.1k tokens (SKILL.md is roughly 4.3k 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 Product Copy Formulas?
Skills that share tags, products or a category with Product Copy Formulas: Brand Voice Guide (luongnv89/claude-howto, 42k stars), E-commerce Visual Copywriting (feichanggege/ecommerce-visual-copywriting-skill, 858 stars), WeChat Account Topic and Title Writer (BigPengSays/bigpeng-hot-gzh, 265 stars) and WeChat Article Writer (liuyueyi/spring-ai-demo, 138 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Product Copy Formulas?
revfactory (a GitHub user) maintains it in revfactory/harness-100, which has 1,295 GitHub stars. The repository holds 464 skills in this directory. The repository was last updated on March 22, 2026.
Source: revfactory/harness-100 on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.