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Project Instructions (CLAUDE.md)

Brief Claude with durable project context.

CLAUDE.md names what the project is, who uses it, and why it exists.

Include conventions, glossary, and do/don't rules so Claude stops guessing.

Keep it concise. Ten strong lines beat fifty vague lines.

Try this prompt

Here's a 5-line draft of my CLAUDE.md. Review it. Suggest 3 additions that would make Claude more useful in this Project, and 1 thing I should remove. Be specific.

In your lane

Dev

api-refactor CLAUDE.md: error handling, helper functions, PR template.

Data

q3-dashboard CLAUDE.md: source map, metric definitions, refresh cadence.

Ops / Security

runbook-update CLAUDE.md: runbook template, escalation path, on-call rotation.

Ship it (30 min)

Write a CLAUDE.md for one Project. Ten lines. See the next response use it.