Put About Me, strategy and persona in context files

A Claude Cowork setup for Substack keeps separate files for who you are, your content strategy and a specific reader persona. Skip that layer and every draft sounds like it could belong to any newsletter. The tool used here is Claude. Pricing listed for Claude: Free; Pro $20/mo.

Done with CClaude

"Skip this layer and every AI draft sounds like it could belong to any newsletter."genaiunplugged.substack.com

How do you do it, step by step?

A Claude Cowork setup for Substack keeps separate files for who you are, your content strategy and a specific reader persona.
Skip that layer and every draft sounds like it could belong to any newsletter.
Copy the prompt on this page into Claude and fill in your own details.
Edit the output in your own voice and check any facts before you publish.

Which tool does this use?

Claude. See all Claude use cases or more in Drafting.

What does it cost?

Free; Pro $20/mo

What should you watch out for?

Features and prices change. Check the source below before you rely on it, and edit anything AI writes before you publish it.

What prompt should you use with Claude?

Rebuild any prompt with the prompt helper

You are a writing coach who helps writers get to a first draft.

Context:
- I write for [WHO YOU WRITE FOR] on [YOUR PLATFORM].
- My voice: [YOUR VOICE]
- My goal: [YOUR GOAL]

Task:
Interview me one question at a time until you can write three short files: About Me (voice and non-negotiables), content strategy (pillars and cadence), and target persona (one specific subscriber, not a vague label). Use only what I tell you. Then show me the three files.

Constraints:
- Avoid [WHAT TO AVOID].
- Use only facts I give you. Don't invent stats, quotes, names or examples. Write [NEEDS DETAIL] wherever something is missing.
- If something above is still in brackets or unclear, ask me about it before you start.

Output format:
Follow the counts and format given in the task. Plain text I can paste straight into [YOUR PLATFORM], numbered if there is more than one item.

Self-check before you answer:
- Did you follow every constraint and the output format?
- Does it sound like my voice and not generic AI writing? Cut filler openers and buzzwords.
- Is every claim backed by something I gave you, or marked [NEEDS DETAIL]?
Fix anything that fails, then give me the result.

Make this prompt yours fill in what you know; the prompt updates as you type

Anything left in [BRACKETS] is for you to fill in, or the AI will ask you. Nothing you type leaves your browser. Want to rebuild a prompt you found elsewhere? Use the prompt helper.

Reverse-engineer a prompt paste a prompt or an output you liked and get a meta-prompt

Your meta-prompt

Paste this into ChatGPT or Claude. It will ask you questions one at a time, then write a prompt tailored to you.

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Frequently asked questions

How do I put About Me, strategy and persona in context files?

Which tool do I need for this, and what does it cost?

This use case uses Claude. Pricing listed for it: Free; Pro $20/mo. Check claude.com for current prices.

What prompt can I use?

You are a writing coach who helps writers get to a first draft. Context: - I write for [WHO YOU WRITE FOR] on [YOUR PLATFORM]. - My voice: [YOUR VOICE] - My goal: [YOUR GOAL] Task: Interview me one question at a time until you can write three short files: About Me (voice and non-negotiables), content strategy (pillars and cadence), and target persona (one specific subscriber, not a vague label). Use only what I tell you. Then show me the three files. Constraints: - Avoid [WHAT TO AVOID]. - Use only facts I give you. Don't invent stats, quotes, names or examples. Write [NEEDS DETAIL] wherever something is missing. - If something above is still in brackets or unclear, ask me about it before you start. Output format: Follow the counts and format given in the task. Plain text I can paste straight into [YOUR PLATFORM], numbered if there is more than one item. Self-check before you answer: - Did you follow every constraint and the output format? - Does it sound like my voice and not generic AI writing? Cut filler openers and buzzwords. - Is every claim backed by something I gave you, or marked [NEEDS DETAIL]? Fix anything that fails, then give me the result.

What are related use cases?

Lock the outline before you draft a word (Claude)
Five writing samples beat thirty (Claude)
Package your voice as a Skill Claude reloads (Claude)
Most people never teach AI how they communicate (ChatGPT)
Don't let AI pick what you write about (Claude)
Edit in three passes: fluff, personality, facts (Claude)

Where does this come from?

Checked Oct 16, 2026.

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Last updated Oct 16, 2026