4 Simple Fixes for your Claude Sessions
Imagine hiring someone and briefing them from scratch every time they showed up. Before I built these four files, every Claude session started the same way. 500-word prompt. Re-explain who I am. Re-explain what I'm building. Re-explain what I hate. Get a first draft that's close but slightly off. Fix it. Move on. Repeat next week. After: 2–3 lines per prompt. Claude asks me what it needs. I answer. The draft comes back right. One setup session made that switch. File 1: about-me.md Who you are. How you write. How you think. The working identity Claude reads before it does anything. Open Cowork. Use Opus 4.7 with Adaptive Thinking. Prompt: "Build my about-me.md. Interview me with 20 questions via AskUserQuestion." File 2: anti-ai-writing-style.md Every word you ban. Every structure you reject. The tone that sends you back to a blank page. 80% of this file is what you do not want. Claude needs to know your floor before it can find your ceiling. I'll share my own version at the end of this post. File 3: my-company.md Yearly targets with real numbers. Quarterly focus. The decisions already made, so Claude stops suggesting them. Prompt: "Build my my-company.md. 6–8 questions on goals and decisions. Under 1,000 tokens." File 4: global-instructions.md Settings → Cowork → Global Instructions. Paste this exactly: "Before every task, read every file in ABOUT ME/. Never touch OUTPUTS/ or TEMPLATES/ unless I point you to a file. Save deliverables in OUTPUTS/. If unclear, use AskUserQuestion." These files work across Claude Cowork, Claude.ai, Claude Code, ChatGPT, Gemini, Codex. Any LLM you use. Build them once. Carry them everywhere. Four files. One session. Claude already knows you after that. Want my anti-ai-writing-style.md? Comment "ANTI" and DM with me. I'll send it directly.