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Brand Voice Glossary Skill · gtmagents | DecimalAI

marketingby gtmagents

Brand Voice Glossary Skill

gtmagents/brand-voice-glossary

Source gtmagents/gtm-agents ↗License Apache-2.0

Tone, diction, and phrasebook system for consistent writing + localization.

SkillScore73Maintained

Automatic

Marketing & Content pack

Last verified 8/23/2026

What it changes

Passed 16 of 22 test cases with the skill, and 7 of 22 without it.

Without skill32%

With skill73%

Checks it passed that the model alone missed

The response contains a section for localization guardrails.
The draft outlines vocabulary pillars listing preferred nouns.
The structure includes localization notes covering fallback phrases.

and 12 more in the full report

10 fixed6 passed either way5 still failing1 broke

Pass-rate lift: +41 pp
Tokens: +23%
Agent turns: 0%
Response time: +15%

Model gemini-3.6-flashMeasured 8/23/2026v116 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/gtmagents-brand-voice-glossary/SKILL.md https://app.decimal.ai/s/gtmagents-brand-voice-glossary/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add gtmagents-brand-voice-glossary, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/gtmagents-brand-voice-glossary/ and pins it in .decimal/skills.lock

decimalai skills add gtmagents-brand-voice-glossary

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/gtmagents-brand-voice-glossary/SKILL.md https://app.decimal.ai/s/gtmagents-brand-voice-glossary/SKILL.md

Raw file: /s/gtmagents-brand-voice-glossary/SKILL.md ↗ · machine-readable summary at /s/gtmagents-brand-voice-glossary.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 10

Prompt

We need a standardized copy guidance document for our internal marketing team before our next product release. Please build a brand voice glossary outlining our key tone characteristics, preferred nouns and verbs versus banned phrases, rules for bullet points and casing, and guidelines on tailoring messaging for consumer, enterprise, and partner audiences.

What was checked, without and with the skill
Checked	Without skill	With skill
The response contains a section for localization guardrails.	Missed	Passed
The response specifies inclusive language rules within the grammar section.	Missed	Passed

case-02 · gemini-3.6-flash · 8/23/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md26 lines2 files

Brand Voice Glossary Skill

When to Use

Launching or updating tone-of-voice guidance.
Training agencies, freelancers, or new hires on copy standards.
Localizing content while staying on-brand.

Framework

Voice Attributes – list do/don't traits with examples (e.g., Bold not boastful).
Vocabulary Pillars – preferred nouns, verbs, phrases, banned words.
Grammar & Formatting – casing, punctuation, bullet styles, inclusive language rules.
Persona Variations – how tone flexes for exec, developer, partner, or consumer audiences.
Localization Notes – translation guardrails, cultural considerations, fallback phrases.

Templates

Voice Matrix: See assets/voice_matrix.md for attributes and vocabulary.
One-page cheat sheet for quick reference.
Long-form guide with annotated examples.
Localization briefing form capturing nuance requirements.

Tips

Include audio/video examples for spoken tone if possible.
Refresh quarterly with new product names and competitive language shifts.
Pair with define-brand-platform and design-multi-channel-brand-experience to auto-insert tone guidance.

Track record

Benchmark

16 / 22

test cases passed, vs 7 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

gtmagents / gtm-agents

plugins/brand-strategy/skills/brand-voice-glossary/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/3/2026Version v1Bundled 1 file

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

Brand Voice Glossary Skill

When to Use

Framework

Templates

Tips

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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