Stop Re-Explaining Your Business to Claude Every Single Session

I used to start every Claude session by re-explaining my business from scratch. Same background, same tone notes, same client context, typed out fresh every time. I set this up once and I haven't had to do it since.

The real problem isn't that Claude is slow. It's that context is the single most important input Claude needs, and most people throw it away at the end of every conversation. Without it, Claude writes in a generic voice and makes generic assumptions. With it, the outputs feel like they came from someone who actually knows your business.

What actually works is a Project in Claude with a proper setup. A Project is a workspace that holds your conversations and reads your configuration at the start of every session. Four things go into it.

First, a business brief. Who you are, what you do, who your clients are, how you like to communicate. I call this your Business DNA. Second, five examples of your own writing: emails, proposals, anything you actually send to clients. Claude learns your voice from real samples and uses it whenever it writes for you. Third, behaviour rules. Tell Claude what it should never do: no filler summaries, no re-stating your input, no generic openings. That list cuts out the most frustrating patterns immediately. Fourth, a brief on your current priorities, updated monthly.

I tested this setup over three months against cold-start sessions. The Project outputs were sharper, shorter, and usable without editing. The cold-start outputs needed a round of corrections every time.

Most people think better prompts are the answer. They're not. Context is. Set your Project up once and stop spending the first five minutes of every session doing administrative catch-up.