Security that never phones home.
ProxyGuard runs 100% on your Mac. Scan every request to Claude for secrets and sensitive data—no cloud, no accounts, no data collection.
What stays local
See how ProxyGuard compares to typical cloud-based security tools.
Built for privacy-first developers
ProxyGuard gives you the security tooling you need without compromising on your principles.
100% Local
Runs entirely on your machine. Zero network calls for scanning—your data never leaves your Mac.
Secret Detection
18+ built-in patterns for API keys, passwords, tokens, and PII. Catches secrets before they're sent.
Custom Patterns
Add your own regex patterns for company-specific secrets. Stored in local JSON files you control.
Zero Dependencies
Pure Swift with no external packages. Instant startup, minimal memory footprint, native performance.
How it works
Get up and running in under a minute. No accounts, no configuration, no friction.
Install ProxyGuard
Download the app and run proxyguard instead of claude. One command to secure your workflow.
Requests route through proxy
All Claude API requests flow through the local proxy on port 8080. No configuration needed.
Real-time scanning
Every request is scanned for secrets. Get instant alerts and optionally block sensitive data.
Simple pricing
One-time purchase. No subscriptions. No hidden fees.
- Up to 3 devices
- All 18+ built-in detection patterns
- Custom pattern support
- Unlimited scans
- Lifetime updates
- Priority support
Ready to secure your Claude workflow?
Download ProxyGuard and start scanning in under a minute. No accounts, no cloud, no compromise.
macOS 14+ required • Intel & Apple Silicon