Most people want AI to sound like them.

But no one does this first (and it takes 47 mins):

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Step 1. Download Claude (claude. com/ download)

Open 'Cowork'. Create a folder for your voice.

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Step 2. Select Opus 4.7 + Extended Thinking

Set as default model. Turn ON Extended Thinking.

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Step 3. Copy-paste the interview prompt

From this guide: ruben.substack.com/p/yo…

It asks you 100 questions about how you think.

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Step 4. Answer every question out loud

Use the Wispr. ai. Talk to yourself. Don't type.

Typing makes you edit. Talking makes you honest.

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Step 5. Don't tell what you like. Tell what you reject.

Be extremely precise and specific in your answers.

80% of your file should be what you'd never say.

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Step 6. Paste Prompt 2 - The Voice Compiler

20K-word raw file → 2-4K compressed tokens.

Cuts generic. Keeps signal. Most people stop at the raw dump. That's the mistake.

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Step 7. Save + test [yourname] .md

Open a blank Claude session.

Paste the file. Ask it to write something.

If it sounds like you → ship it. If not → re-interview.

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Step 8. Deploy with Obsidian

Drop the .md in your Cowork folder. It auto-read on every prompt. Edit it like a Google Doc. It syncs automatically, without downloading uploading loop.

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The Don'ts:

✦ Skip the 100-question interview

✦ Answer vaguely ("I like clarity" → clarity HOW?)

✦ Stop at the 20K-word raw dump

✦ Use blank chats instead of Cowork folders

✦ Treat the file as static (you change daily)

✦ Think your voice is too "magical" to capture

✦ Forget to document what you'd NEVER write

✦ Blame AI for sounding generic

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The Do's:

✦ Always use Cowork - not blank chats

✦ Always turn on Extended Thinking

✦ Always compress with Prompt 2

✦ Always test in a blank session first

✦ Always document refusals, not just preferences

✦ Always edit your .md as your taste shifts

✦ Always push through the full 100 questions

✦ Always start prompts pointing to your folder

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You think you're complex to fit in a file. You're not.

47 mins & one .md file to duplicate your brain.

Most people won't sit for 2 hours.

You're not most people.

Full process + prompts: ruben.substack.com/p/yo…