We just launched Kasbah Guard, a free browser extension that detects and blocks 50+ secret formats (API keys, tokens, credentials, AWS keys, GitHub PATs, etc.) using ML entropy scoring + context filtering.

It runs 100% locally in your browser (no server calls, no data collection). We built this because existing tools (like Snyk) only catch ~30 secret types, and regex-based detection has too many false positives.

Key innovation: Naive Bayes multi-feature classifier that analyzes Shannon entropy, character transitions, bigram frequency, and context to distinguish real secrets from test fixtures and docstrings.

Live on Chrome, Firefox, Edge, Opera, Safari. All 5 browsers use identical detector.js (263+ tests passing).

Happy to answer questions about the ML model, false positive suppression, or why we built this.

https://bekasbah.com https://chrome.google.com/webstore/detail/kasbah-guard/...

Would love HN feedback!