Check signup emails for disposable or dead domains, typos and Gmail aliases; block fake signups.
Connect Remote server
claude mcp add --transport http vetto https://usevetto.com/mcp
{
"mcpServers": {
"vetto": {
"url": "https://usevetto.com/mcp"
}
}
}
{
"servers": {
"vetto": {
"type": "http",
"url": "https://usevetto.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://usevetto.com/mcp
Tools 4 found in our last check
check_emailChecks one email address the way a signup form would: invalid syntax, disposable/throwaway domain, domain that cannot receive mail (no MX), likely typo with a suggested fix (e.g. gmial.com -> gmail.com), privacy relay (Apple Hide My Email, Firefox Relay: allowed, they reach a re…
check_domainsChecks up to 50 email domains (for example the domains of recent signups) and says which are disposable, which cannot receive mail, and which look fine. Send only domains, never full addresses.
same_inboxCompares two addresses after normalising Gmail dots, +tags and googlemail.com. Use it to spot one person signing up again for a free trial with an alias ([email protected] vs [email protected]).
how_to_blockReturns setup steps and links for blocking disposable and fake signups on a given stack: next.js, supabase, clerk, better-auth, auth.js, firebase, laravel, django, or html (any form: Webflow, Framer, WordPress).
Details
| Endpoint | https://usevetto.com/mcp (Streamable HTTP) |
| First published | 12 Nov 2026 |
| Last updated | 12 Nov 2026 |
| Registry name | io.github.yasaiiko/vetto |
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