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Marketing Skill

Campaign Brief Builder

Build a marketing campaign brief that aligns the team on goal, audience, message, channels, and measurement.

Free skill - no email required

Get the Campaign Brief Builder skill

Install it in Claude as an Agent Skill, or copy it into ChatGPT, Gemini, or any assistant. Same method either way.

What this does and why it matters

Campaigns fail when everyone executes off a different mental model. This skill builds the brief that aligns the team before a dollar is spent or a post is scheduled: the one goal, the audience, the core message, the channels, the assets, the timeline, and how success will be measured. A clear brief is the difference between a coordinated campaign and scattered activity.

Inputs to gather

  1. The business objective and the one primary metric that defines success.
  2. The audience and the insight about them the campaign leans on.
  3. The offer and the core message or big idea.
  4. The channels, budget, and timeline available.
  5. Who is involved and who decides.

Method

1. Set one primary goal and metric

A campaign with three goals has none. Name the single objective and the metric that proves it, plus a couple of secondary metrics at most.

2. Ground it in an audience insight

The strongest campaigns are built on one true insight about the audience. Capture it, because it drives the creative and the message.

3. Define the core message and big idea

One message the whole campaign expresses, adapted per channel but never fragmented into unrelated ideas.

4. Map channels to the funnel and the audience

Choose channels for where the audience actually is and what job each plays (awareness, consideration, conversion), not out of habit. Specify the asset needed per channel.

5. Build the timeline and owners

A dated plan with a clear owner per workstream, so nothing falls through the gap between "marketing" and "someone".

6. Define measurement up front

What will be tracked, the target, and when it will be reviewed, decided before launch so success is not argued about after.

Output format

ALWAYS use:

# Campaign Brief: [Campaign Name]
## Objective and primary metric
## Audience and the core insight
## Core message / big idea
## Offer and CTA
## Channels and the job each does (+ assets needed)
## Timeline and owners
## Budget
## Measurement (metrics, targets, review date)
## Risks and dependencies

Anti-patterns to avoid

  • Multiple competing goals.
  • Channels chosen by habit, not by where the audience is.
  • No owner per workstream.
  • Measurement defined after launch, or not at all.

Example

For an audit-offer launch, the brief sets booked audits as the single metric, leans on the insight that firms cannot see their own funnel leaks, runs paid plus email plus organic each with a defined job, and reviews at two weeks against a booking target.

How to use this skill

In Claude
  1. Download the SKILL.md file above.
  2. Add it to a Claude environment that supports Agent Skills, or attach the file to your conversation.
  3. Make your request and hand over the raw input. Claude triggers the skill automatically.
In ChatGPT or Gemini
  1. Copy the skill text above.
  2. Paste it into a ChatGPT Project, a Custom GPT's instructions, or a Gemini Gem.
  3. Give the model your raw input. It follows the same method and output format.

Frequently asked questions

What does the Campaign Brief Builder skill do?

Build a marketing campaign brief that aligns the team on goal, audience, message, channels, and measurement. Use this skill whenever a user is planning a marketing campaign, needs a campaign brief or plan, wants to align a team before executing, or says 'build a campaign brief', 'plan this launch', or 'we need a plan before we start posting'. Trigger whenever a campaign needs a single source of truth before execution begins.

How do I use the Campaign Brief Builder skill in Claude?

Download the SKILL.md file and add it to a Claude environment that supports Agent Skills, or attach the file to your conversation. Claude triggers the skill automatically when your request matches what it does, then returns a structured first draft.

Can I use the Campaign Brief Builder skill in ChatGPT or Gemini?

Yes. Copy the skill text and paste it into a ChatGPT Project, a Custom GPT's instructions, or a Gemini Gem. Then give the model your raw input and it follows the same method.

Is the Campaign Brief Builder skill free?

Yes. Every skill in the library is free and ungated. Download it, copy it, and use it however you like.

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