docs: add honest disclaimer with correctness estimate

~85-90% correctness for configured data. Lists specific things
that leak: images, file uploads, base64, short names, names
inside other words, unconfigured data, non-standard secrets.

"Think of it like a spell checker for privacy — it catches most
things, but you wouldn't send a legal document without proofreading."

https://claude.ai/code/session_01Dvgwe7XMoSxnWXkih8p1Cw
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Claude
2026-03-26 03:54:28 +00:00
parent affea5c5e2
commit 0d9446d14e
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@@ -272,6 +272,22 @@ src/
- The extension only activates on supported AI sites (and any custom domains you add)
- Your real identity data never leaves your machine
## Disclaimer
**Silent Send is not a battle-tested privacy application.** It is a convenience tool that reduces the chance of accidentally sharing personal information with AI services. It should not be relied upon as your sole privacy protection.
**Estimated correctness: ~85-90%** for configured data. Things that can and will leak through:
- **Images and screenshots** — Silent Send cannot scan pixels. If you paste a screenshot of a terminal with your real username in it, that goes through unchanged.
- **File uploads** — PDFs, documents, and other file attachments are not scanned.
- **Base64 and encoded data** — Data embedded in encoded formats is not detected.
- **Names inside other words** — If your name is "Art", Silent Send may not catch "article" (it uses word boundaries, but edge cases exist).
- **Unconfigured data** — It can only substitute what you told it about, plus known secret formats. Your home address, employer name, or project names won't be caught unless you add them as mappings.
- **Short names** — Names under 3 characters are skipped for usernames/hostnames to avoid false positives.
- **Non-standard secret formats** — The secret scanner knows common API key prefixes (sk-, ghp_, AKIA, etc.) but won't catch custom or proprietary token formats.
**You should still review sensitive messages before sending.** Silent Send is a safety net, not a guarantee. Think of it like a spell checker for privacy — it catches most things, but you wouldn't send a legal document without proofreading.
## License
[MIT](LICENSE) — use it for anything, commercial or personal, modify it, redistribute it, relicense it. Just keep the copyright notice in copies of the code.