ContentMessaging · Narrative
Voice Guidelines
Use when enforcing brand tone, style, and localization rules across copy.
by GTM Agents·Apache-2.0·★ 230 on GitHub·updated 2026-04-03
claude plugin marketplace add gtmagents/gtm-agentsWhat this skill does
- 1Defines voice pillars (e.g., confident, empathetic, pragmatic) with concrete do/don't examples.
- 2Builds a tone ladder showing how tone shifts by channel, funnel stage, or audience type.
- 3Documents style rules covering grammar, punctuation, casing, formatting, and banned phrases.
- 4Addresses accessibility by setting reading-level targets, inclusive language standards, and jargon policy.
- 5Produces a localization matrix with regional terminology, regulatory statements, and measurement unit requirements.
When to use
- Reviewing copy for tone consistency before a campaign or product launch.
- Onboarding new writers or agencies and setting brand voice expectations from day one.
- Localizing copy for a new region or vertical with different regulatory or linguistic requirements.
- Updating guidelines after a brand refresh or positioning change to prevent conflicting signals.
Best for
Marketing ManagerProduct Marketing ManagerAgency / Consultant
Format
FrameworkTemplateGeneratorPlaybook
Frequently asked questions
What is Voice Guidelines?
Voice Guidelines is a Claude Code skill for content by GTM Agents. Use when enforcing brand tone, style, and localization rules across copy.
When should I use Voice Guidelines?
Reviewing copy for tone consistency before a campaign or product launch. Onboarding new writers or agencies and setting brand voice expectations from day one.
How do I install Voice Guidelines?
Run the install command (claude plugin marketplace add gtmagents/gtm-agents). Once the skill is in place, Claude Code loads it automatically whenever a task matches what it does.
Is Voice Guidelines free to use?
Yes. Voice Guidelines is open source under the Apache-2.0 license, published in the gtmagents/gtm-agents repository on GitHub.
Source repository
gtmagents/gtm-agents★ 230 · 39 forks
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