Your CLAUDE.md is the most important file you're not using
Tell Claude who you are — once. It reads your CLAUDE.md before every conversation, so it stops treating you like a stranger.
What is CLAUDE.md?
A file Claude reads at the start of every conversation. It contains your context: who you are, what you do, how you work, what kind of output you need. Think of it like onboarding a new colleague — you only do it once, then they just get you.
Why it matters
Without CLAUDE.md, Claude treats you like a stranger every time. Generic responses, wasted context, constant re-explaining. With a great one, Claude knows your role, matches your tone, and delivers useful work from message one.
The single biggest lever
Better than any prompt trick or instruction. Describe your work below — we'll build a CLAUDE.md scored for clarity, specificity, tone, and output format. The better your CLAUDE.md, the less you repeat yourself and the smarter Claude gets.
Free. No account needed.
Never set up a CLAUDE.md? Describe your work and we'll create one that makes Claude understand you from the first message.
Tell Claude about your work
Paste your bloated CLAUDE.md
Trim the bloat, keep the rules. We'll cut the low-signal stuff, preserve everything that matters — rules, workflows, and your voice.
Changelog / Log Stack detected
Changelog stack detected
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Staleness Decay Pass
Tell us how you work, and we'll build your CLAUDE.md. Save it with your files or paste it into Claude, and Claude will know exactly how to help you — from the very first message.
Building your Claude prompt...
Analyzing your workflow...
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✅ How to use your CLAUDE.md with Claude
claude.ai Projects— recommended
- Go to claude.ai → Projects and open or create a project
- Click "Set project instructions" and paste your CLAUDE.md contents
- Claude will use these instructions for every conversation in that project
Claude Desktop App
- Open Settings in the Claude desktop app
- Scroll to "Claude instructions" and paste your CLAUDE.md contents
- Claude will apply it to every new conversation automatically
Quick option — paste directly
- Copy your CLAUDE.md and paste it at the start of any conversation
- Claude will follow the instructions for that chat
Suggestions to make it even better
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Before
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After
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Trimmed well, but the score dropped. Run through Optimize to fix it →
Try Optimize →
Rules preserved. Confirm they're being followed — paste a Claude conversation into Session Review.
Run Analyzer →
What was cut and why
What changed
Original → Trimmed
Before (original)
After (trimmed)
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Section restored — token count updated.
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Enter your email to get the full trimmed CLAUDE.md
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Sent! Check your inbox — the full CLAUDE.md is on its way.
✅ How to use your CLAUDE.md with Claude
claude.ai Projects— recommended
- Go to claude.ai → Projects and open or create a project
- Click "Set project instructions" and paste your CLAUDE.md contents
Claude Desktop App
- Open Settings → "Claude instructions" and paste your CLAUDE.md
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