Three years of Notion docs. Updated maybe 20% of the time. Always out of date. Never open when you actually needed it.
A developer on r/PromptEngineering finally got tired of it. Six months ago, he stopped maintaining documentation entirely and replaced the whole habit with something he calls a code brief: a short context document pasted at the top of every Claude conversation before writing a single line of code.
The results showed up immediately. The AI stopped writing technically correct but architecturally wrong suggestions. Context stopped collapsing mid-thread. Debugging went from “paste error and pray” to getting the right diagnosis on the first response.
Here’s how it works.
🎯 Why documentation fails and briefing doesn’t
Traditional documentation is written for future reference. A code brief is written for right now.
That difference matters because AI models work with context windows, not databases. They don’t remember your last session. They don’t know your team’s patterns. Every conversation starts from zero.
Most developers treat this like a flaw. It’s actually a constraint you can work around.
When you paste a structured brief at the start of a session, you’re giving the AI the same context a senior engineer on your team already carries, without expecting it to read a 60-page wiki first. You’re onboarding it, not querying it.
Think about what happens when you don’t do this. You ask Claude to refactor an API route. It gives you a clean solution using a pattern your team explicitly banned six months ago after a production incident. Technically correct. Completely useless. You spend 20 minutes explaining what went wrong instead of shipping. That’s not an AI problem. That’s a briefing problem.
📋 The code brief format
Six sections. Each one short. Plain English. No folder trees, no jargon.
- STACK: language, framework, version, any unusual dependencies worth flagging. “Next.js 14, app router, Prisma with PostgreSQL, no Redux” is enough.
- ARCHITECTURE: how the project connects, in logic terms. Not file names. The relationships. “The frontend hits a REST API which talks to a shared service layer. No direct DB calls from routes.”
- CURRENT STATE: what works, what’s broken, what’s half-built. Be honest here. “Auth is solid. Cart logic is complete. Checkout flow is mid-refactor and currently broken.”
- THE PROBLEM: not “write me a function.” The actual problem and why the obvious solution won’t work. What you’ve already tried matters here too.
- CONSTRAINTS: what you can’t touch. Patterns the team already decided on. “No new third-party libraries. The payment module is owned by another team, hands off.”
- DEFINITION OF DONE: what working actually looks like. Edge cases you care about. What you’ll test against.
Write it fresh each session. Takes 5 to 10 minutes. Saves you from refactoring everything the AI suggested because it had no idea you were using a custom state management pattern or that the auth layer is off-limits.
💡 Tips that make it stick
Keep it under one page. If your brief is getting long, you’ve started documenting, not briefing. Trim it down. If you catch yourself writing full paragraphs about folder structure, stop. The model needs orientation, not a tour.
Be specific about constraints. “Don’t touch the auth layer” is more useful than any amount of architecture description. Constraints are where most AI suggestions go wrong. Name them explicitly and the model respects them.
Update Current State every session. It’s the section that goes stale the fastest. It’s also the one the AI relies on most. Stale current state means the AI is solving last week’s problem, not today’s.
Paste it first, every time. Even when you think you won’t need it. Context collapse usually hits hardest when you were sure it wouldn’t happen. Build the habit before you need it, not after a frustrating session where you wish you had.
Use the same template. Consistency makes it faster to write and easier for the model to parse. Familiarity reduces friction on both ends. After a few sessions it takes you three minutes, not ten.
Save your brief between sessions. A quick text file per project. You’re not writing from scratch each time, you’re updating. Current State changes. Everything else stays mostly the same.
🚀 Start your next session differently
Before you paste your next error message into Claude, spend five minutes writing a brief instead. It doesn’t need to be perfect. A rough brief beats no brief every time.
The developer behind this approach put it well: the people getting the worst results from AI coding tools aren’t using the wrong model. They’re treating a context-dependent collaborator like a search engine, one error message at a time, no history, no architecture context, no constraints.
Then they conclude the tools are overhyped.
They’re not. They’re just context-sensitive in a way nobody warned you about when you signed up. Give Claude your actual situation and it stops giving you Stack Overflow answers. It starts giving you your answers.
That’s a different tool entirely.
I threw away my documentation habit. i just brief Claude instead. here’s what happened.
by u/AdCold1610 in PromptEngineering