Hey Hunters I built Tell Me When Down after getting burned by the two ways sites die quietly: a security gap you never checked, and downtime you hear about from a customer instead of a tool. What makes it different is that it watches at three depths, and you opt into each one: 1. From outside — zero install. Paste a URL and get a free security check in seconds: SSL/TLS, security headers, DNS (DNSSEC, CAA), email spoofing (SPF/DMARC), exposed subdomains pulled from Certificate Transparency logs. No signup. 2. Inside your code — connect a repo. A read-only GitHub App checks your dependencies against the CVE database and greps your code (and git history) for secrets you committed by accident. It streams the repo, reports findings, and discards the source — we store the findings, not your code. 3. Inside your app — one SDK snippet. Now we watch the things a URL can't see: your database, Stripe webhooks, and silent cron jobs. You don't need to understand any of it. Every finding comes with a plain-English explanation and a ready-to-paste fix. Hit "Copy for your AI tool" — or "Copy all" to bundle every issue into one paste — drop it into Claude or Cursor, and the same agent that built your app fixes it. Re-run the scan and fixed findings clear themselves. No security jargon, no rabbit holes. On top of all three: uptime checks every 60s from three regions, and plain-English alerts to email, Telegram, or Slack — not jargon. It's built for solo founders shipping fast with AI tools, where the gotchas are Supabase projects pausing, Render spin-downs, expiring SSL certs, and dead webhooks. Free to start, no card. I'd genuinely love your feedback — what would you want watched that nothing checks today?

Tell Me When Down

Uptime monitoring & a free website security scan

Uptime monitoring & a free website security scan