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    Ad Creative Brief Writer

    by Arnstein Larsen

    1

    Vague briefs produce vague ads — 'make it pop' in, generic creative out, budget burned on impressions nobody remembers.

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    See it in action

    You say

    Write a creative brief for a $50/mo SaaS tool that automates payroll for startups. Audience is busy founders on LinkedIn. Proof: 1,000 active users.

    Your agent does

    Tension: Founders want to scale but believe payroll is a manual task only they can trust. Proposition: Automate payroll in 2 clicks so you can get back to growth. Hook: Your founder hourly rate is too high for data entry. Do: Use UI screenshots. Don't: Use generic stock photos.

    What you get

    Convert vague ideas into structured creative briefsDefine tension based audience insights for better adsGenerate high-impact hooks for social media platformsAlign design and copy teams before production startsBuild testing matrices for iterative ad performance

    About this skill

    Vague briefs produce vague ads — 'make it pop' in, generic creative out, budget burned on impressions nobody remembers. This skill translates campaign goals into a brief a creative team can actually execute: the single job this ad must do, the one insight that makes the audience feel seen, the claim that's both true and unexpected, the proof that makes it credible, and the single action the audience should take. It separates what to say from how to say it, so designers and copywriters argue less and produce more. Input your product, audience, campaign goal, and channel; get back a structured brief that aligns everyone before the first concept is made — not after the fifth revision.

    How to install

    Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.

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