Review content against your brand voice, style guide, and messaging pillars, flagging deviations by severity with specific before/after fixes.
SkillScore86Maintained
Automatic
◆Marketing & Content pack
Last verified 8/19/2026
What it changes
Passed 19 of 22 test cases with the skill, and 17 of 22 without it.
Without skill77%
With skill86%
Checks it passed that the model alone missed
Flags 'blind spot' as ableist language requiring replacement.
Flags 'crazy' as language to avoid under inclusive language guidelines.
Identifies unverified claims within testimonials as a legal or compliance risk.
and 3 more in the full report
4 fixed15 passed either way1 still failing2 broke
Pass-rate lift
+9 pp
Tokens
+140%
Agent turns
0%
Response time
-27%
Model gemini-3.6-flashMeasured 8/19/2026v119 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 4
Prompt
Can you do a brand voice and messaging review on our latest homepage draft? Please start with an overall summary outlining key strengths and main areas for improvement. After that, provide a structured breakdown listing each issue, where it occurs in the text, how critical it is, and a recommended fix. Please include before-and-after rewrite samples for the most critical problems, explicitly list any compliance or regulatory concerns in a separate section, and end by asking how I'd like to proceed with edits.
What was checked, without and with the skill
Checked
Without skill
With skill
Asks whether the user has a brand style guide or voice guidelines to review against.
Missed
Passed
Mentions performing a general review for clarity, consistency, and professionalism if custom guidelines are unavailable.
Missed
Passed
case-01 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md270 linessingle file
Brand Review
If you see unfamiliar placeholders or need to check which tools are connected, see CONNECTORS.md.
Review marketing content against brand voice, style guidelines, and messaging standards. Flag deviations and provide specific improvement suggestions.
Trigger
User runs /brand-review or asks to review, check, or audit content against brand guidelines.
Inputs
Content to review — accept content in any of these forms:
Pasted directly into the conversation
A file path or ~~knowledge base reference (e.g. Notion page, shared doc)
If a brand style guide is configured in local settings, use it automatically
If not configured, ask: "Do you have a brand style guide or voice guidelines I should review against? You can paste them, share a file, or describe your brand voice. Otherwise, I'll do a general review for clarity, consistency, and professionalism."
Review Process
With Brand Guidelines Configured
Evaluate the content against each of these dimensions:
Voice and Tone
Does the content match the defined brand voice attributes?
Is the tone appropriate for the content type and audience?
Are there shifts in voice that feel inconsistent?
Flag specific sentences or phrases that deviate with an explanation of why
Terminology and Language
Are preferred brand terms used correctly?
Are any "avoid" terms or phrases present?
Is jargon level appropriate for the target audience?
Are product names, feature names, and branded terms used correctly (capitalization, formatting)?