Never run
by accident again rm -rf /
A specialized POSIX shell command agent for Claude users. Validates AI-generated commands with safety-first design, detects dangerous patterns, and ensures POSIX compliance.
30 Seconds to Terminal Mastery
Watch how Caro transforms natural language into safe POSIX commands
Try It Yourself
Experience the difference. Start in vanilla mode, then install Caro to unlock natural language commands.
Experience the Difference
Try the terminal below. Type commands, explore the filesystem, then install Caro to see the magic.
Type ls to explore, cat README.md to read files, or try natural language...
Built for How You Work
Whether you're accelerating your career, protecting your org, or living in the terminal - Caro adapts to you.
The Accelerator
Individual Developer
You're smart. But memorizing 500 flags and options for tools you use twice a month? That's not intelligence, it's trivia.
Express intent in English. Get validated, runnable commands. Ship faster without the Stack Overflow detour.
- 10x faster command discovery
- Learn shell idioms naturally
- Build career-defining skills
The Guardian
Security & Platform Lead
Every AI tool your team uses is a potential data leak. Cloud APIs see your infrastructure. Your secrets. Your blind spots.
100% local execution. Zero data collection. Pre-execution validation catches dangerous commands before they run.
- Air-gapped friendly
- 52+ dangerous patterns blocked
- Full audit capability
The Operator
SRE / DevOps Engineer
Production is down. You're SSH'd into a box you've never seen. Is it BSD? Linux? What's the find syntax here again?
Platform-aware commands. macOS vs Linux vs BSD - Caro knows the difference. You focus on the problem, not the syntax.
- Cross-platform intelligence
- Instant command generation
- Works in any terminal
Moments That Hurt
Every developer knows these feelings. Caro makes them disappear.
"Did I type that right?"
Staring at a command you found on Stack Overflow. Is that a backtick or a quote? Will this delete everything or just the logs?
rm -rf /var/log/*.log ...right? find /var/log -name "*.log" -mtime +30 -delete ✓ Safe "What if this breaks prod?"
That sinking feeling before hitting Enter on a production server. No undo. No sandbox. Just raw fear.
chmod -R 777 / copied from tutorial... This command would make all system files world-writable. Suggested safe alternative:
chmod 755 ./your-directory "What runs on this machine?"
BSD? Linux? macOS? Is it GNU find or BSD find? Why does every server have different flags?
find . -regex ".*\.log" -print0 works on my mac but... Using GNU coreutils syntax:
find . -regextype posix-extended -regex ".*\.log" -print0 What Engineers Are Saying
Real results from developers who made the switch
"Caro caught a destructive command I almost ran on our production database. That single save paid for itself 100x over."
"I went from Googling 'how to find large files Linux' to just typing what I want. My terminal finally speaks my language."
"Zero cloud dependencies means I can use this on air-gapped systems. Finally, an AI tool that respects operational security."
Why Caro?
A companion agent built for safety, empathy, and expertise
Never Nuke Production Again
Blocks rm -rf /, fork bombs, and 50+ other career-ending commands BEFORE you can run them. Your 2 AM self will thank you.
Your Data Stays Yours*
Zero telemetry. Zero cloud API calls. Run in air-gapped networks. Pass any compliance audit. Your commands never leave your machine.
Commands That Actually Work
Generates commands that work on your Mac, your Linux server, and your coworker's BSD box. First time. Every time.
Fast Enough to Not Break Flow
Sub-2s inference on Apple Silicon. No waiting for cloud APIs. No wondering if the server is down. Just answers.
See exactly what Caro blocks and why
View safety patterns →Org Visibility for Teams
See what commands your team runs. Audit shell activity across your organization. Identify training opportunities and security risks—without invading privacy.
- ✓ Aggregated command analytics (no individual tracking)
- ✓ Pattern detection for dangerous command attempts
- ✓ Self-hosted dashboard—your data never leaves your network
Join 200+ engineering leaders on the waitlist. No spam, just launch updates.
Try Caro in 30 Seconds
No account. No API key. No data collection. Just safer shell commands.
bash <(curl --proto '=https' --tlsv1.2 -sSfL https://setup.caro.sh) Then run:
caro "find files modified in the last 7 days" Prefer to build from source? See all installation options →