com.signupbouncer/checker · v1.1.1 · communication
SignupBouncer is healthy: it completed an MCP handshake in 1021 ms and exposes 4 tools.
An API that checks new signups for disposable emails and repeat accounts.
Endpoint: https://signupbouncer.com/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 4 |
| Latency | 1021 ms |
| Last checked (UTC) | 2026-10-16T21:00:48.603Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-16T21:00:48.603Z | Healthy | 1021 |
check_email | Checks one email address, and optionally the signup's IP address, the way signupbouncer checks a new signup. Returns the result as "verdict" (allow, challenge or block), a 0-100 score, the reasons with their reason codes, the normalised inbox (Gmail dots and +tags folded) and the IP's network. When |
explain_reason | Explains a signupbouncer reason code (for example disposable_domain, burner_mx, repeat_inbox, datacenter_ip): what it means, how many points it adds or whether it blocks alone, and the lowest plan on which it counts. Without a code, lists every code. |
lookup_burner_domain | Says whether a domain is on signupbouncer's disposable (burner) email list, a known relay service or a free subdomain mail service, or a known real mailbox provider, and when our harvester observed it. Uses only the loaded lists, no DNS lookup, so a brand-new burner domain on a burner mail server is |
integration_guide | Returns the steps and the copy-paste code that checks new signups with signupbouncer in one stack: supabase (a hook, no code), fetch (any TypeScript server), nextjs, express, hono, python, firebase or better-auth. Use it when the user is building or changing a signup, register or auth flow. The code |