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What it checks Pricing Scan your app Sign in Start free

What could fail without you noticing?

Read your app from the outside. No account needed, and nothing is added as a monitor.

Your app's URL

Optional service checks

Restricted Stripe key

A restricted rk_ key with Events read access and no Customers access. Reads failed deliveries across the account for the last 30 days.

Supabase project URL

Supabase publishable key

Keys are used for this scan only, never stored or logged. Results stay in this response. Abuse counters use a keyed hash of your IP address, never the address itself.

Crons: run npx staygreen scan https://yourapp.com --repo . from your repository. MCP server health is Coming soon.

Monitoring for apps you built yourself, checked from Toronto (Canada) and San Francisco (US).

Pricing Scan your app Terms Privacy

Staygreen

Staygreen is still being built. You can sign up and set up monitors, but nothing checks them yet, so no alerts go out. The examples on this site use sample data.