A playbook is what a prompt becomes when you stop storing it in your head. It lives in a workspace, carries your context, your process, and your standards, and agents read it automatically when they enter — nothing pasted, nothing re-explained.

I used to have a very good prompt. Twelve hundred words, carefully tuned. My company name, my products, my customer segments, my communication style, the things I care about and the things I don't. I could drop it into any AI session and get usable output in seconds.

I also retyped it — or pasted it from a note that was never quite right for today's task — every single session.

The prompt was good. The location was wrong.

What a Prompt Is (and What It Can't Do)

A prompt lives wherever you stored it. Usually that means a note in your project management tool, a sticky in a doc, or the back of your memory. You paste it in when you remember, adapt it for the task at hand, and when the session ends, it's gone.…