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Agent skill

Voice Extractor

by BrianRWagner in BrianRWagner/ai-marketing-claude-code-skills

Extract and document someone's authentic writing voice from samples.

No licenceAuto-check passedWriting & Content

Install Voice Extractor

skills CLI
$ npx skills add BrianRWagner/ai-marketing-claude-code-skills --skill voice-extractor -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install BrianRWagner/ai-marketing-claude-code-skills voice-extractor --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/BrianRWagner/ai-marketing-claude-code-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/voice-extractor .claude/skills/voice-extractor && rm -rf skills-src

Use ~/.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/

Facts

Skill name
voice-extractor
GitHub stars
440
Token cost
~2.1k tokens
SKILL.md length
905 words
Files
3
Skills in repo
23
Repo updated
First seen
Licence
None found

At a glance

Extract and document someone's authentic writing voice from samples.

  • Works in 7 steps: Sample Quality Assessment → Core Energy Extraction → Phrase Extraction (Systematic) → …
  • Someone needs a voice guide
  • SKILL.md covers Mode, Context Loading Gates, Phase 1: Sample Quality… and Phase 2: Core Energy Extraction, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Voice Extractor is an agent skill from BrianRWagner/ai-marketing-claude-code-skills. Extract and document someone's authentic writing voice from samples. Use when someone needs a "voice guide," wants to capture their writing DNA, or needs to train AI to write in their style. Also useful for ghostwriting, brand voice documentation, or onboarding writers.

Its SKILL.md is about 2.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `SKILL-OC.md` and `VOICE-GUIDE-TEMPLATE.md`).

It sits in Writing & Content, covering Brand voice and tone. The repository describes itself as: Marketing frameworks that AI actually executes. Designed for Claude Code, but could be used for OpenClaw, etc.

When your agent uses it

  • Someone needs a voice guide
  • Wants to capture their writing DNA
  • Needs to train AI to write in their style

Example prompts

  • “s authentic writing voice from samples. Use when someone needs a”
  • “/voice-extractor”

Workflow steps

7 steps, taken from the step headings in SKILL.md.

  1. Sample Quality Assessment
  2. Core Energy Extraction
  3. Phrase Extraction (Systematic)
  4. Confidence Zone Mapping
  5. Anti-Pattern Documentation
  6. Validation Test (REQUIRED)
  7. Self-Critique Pass (REQUIRED)

What it can do on your machine

Read from SKILL.md and the folder at commit f36b34f. 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 (its code samples are markdown).

    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

Voice Extractor loads about 2.1k tokens when it runs. Until then it costs about 72 tokens; SKILL.md has 905 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~72
When it runs · the whole SKILL.md, loaded when a task matches
~2.1k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 905 words (~2,055 tokens).

“AI-generated content all sounds the same. The fix isn't better prompts — it's teaching the AI how you actually communicate.”

— opening of SKILL.md by BrianRWagner
name
voice-extractor

Read the full SKILL.md on GitHub

Files

SKILL.md and 2 other files in voice-extractor of BrianRWagner/ai-marketing-claude-code-skills.

  • SKILL.md
  • SKILL-OC.md
  • VOICE-GUIDE-TEMPLATE.md

Open the folder on GitHubat commit f36b34f

Compare with similar skills

Voice Extractor 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.

Voice Extractor compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Voice Extractor this skillBrianRWagner/ai-marketing-claude-code-skills440—~2.1kAutomated safety check: PassNone
Avoid AI Writingconorbronsdon/avoid-ai-writing4.9k3 repos~8.1kAutomated safety check: PassMIT
Khazix WeChat Article WriterKKKKhazix/khazix-skills21k2 repos~2.9kAutomated safety check: PassMIT
BrandOhh-889/skyroc79513 repos~733Automated safety check: PassMIT
Writing Guidelinesvercel-labs/agent-skills32k7 repos~309Automated safety check: PassNone
Unslop AI Writing Cleanuptheclaymethod/unslop512—~1.7kAutomated safety check: PassMIT

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  • Avoid AI Writing

    conorbronsdon/avoid-ai-writing

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    4.9k GitHub starsUsed in 3 repos~8.1k tokens
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  • Khazix WeChat Article Writer

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    Writes long-form WeChat official account articles in the personal style of the Khazix account, from briefs, links, PDFs or rough notes, with a topic quality check.

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  • Writing Guidelines

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    Official

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    32k GitHub starsUsed in 7 repos~309 tokens
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Categories

Questions about Voice Extractor

What does Voice Extractor do?

Extract and document someone's authentic writing voice from samples. Voice Extractor is an agent skill from BrianRWagner/ai-marketing-claude-code-skills. Extract and document someone's authentic writing voice from samples.

When should I use Voice Extractor?

Voice Extractor fits situations like: someone needs a voice guide; wants to capture their writing DNA; needs to train AI to write in their style.

How do I install Voice Extractor in Claude Code?

Run `npx skills add BrianRWagner/ai-marketing-claude-code-skills --skill voice-extractor -a claude-code`. Or copy the skill folder (voice-extractor in BrianRWagner/ai-marketing-claude-code-skills) into .claude/skills/voice-extractor in your project. Claude Code loads it when a task matches its description.

How do I install Voice Extractor in Codex?

Run `npx skills add BrianRWagner/ai-marketing-claude-code-skills --skill voice-extractor -a codex`. Or copy the skill folder (voice-extractor in BrianRWagner/ai-marketing-claude-code-skills) into .agents/skills/voice-extractor in your project. Codex loads it when a task matches its description.

Can I use Voice Extractor 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 BrianRWagner/ai-marketing-claude-code-skills --skill voice-extractor -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/voice-extractor, .gemini/skills/voice-extractor, .github/skills/voice-extractor and .opencode/skills/voice-extractor in your project.

What does Voice Extractor need to run?

SKILL.md names no scripts, command-line tools or credentials: Voice Extractor is instructions for the agent only.

Does Voice Extractor 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 Voice Extractor 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 Voice Extractor use?

No licence was found for Voice Extractor or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Voice Extractor use?

About 2.1k tokens (SKILL.md is roughly 8.2k 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 Voice Extractor?

Skills that share tags, products or a category with Voice Extractor: Avoid AI Writing (conorbronsdon/avoid-ai-writing, 4.9k stars), Khazix WeChat Article Writer (KKKKhazix/khazix-skills, 21k stars), Brand (Ohh-889/skyroc, 795 stars) and Writing Guidelines (vercel-labs/agent-skills, 32k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Voice Extractor?

BrianRWagner (a GitHub user) maintains it in BrianRWagner/ai-marketing-claude-code-skills, which has 440 GitHub stars. The repository holds 23 skills in this directory. The repository was last updated on March 19, 2026.

Source: BrianRWagner/ai-marketing-claude-code-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.