MCPs › Dev tools › MailboxValidator

MailboxValidatorsource available

Email validation MCP server using the MailboxValidator API. It can validate email addresses.

Not monetized yet

Turn MailboxValidator’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.

Install MailboxValidator

For anyone using MailboxValidator — no Lulu account needed

# stdio server — install per the repository README:
https://github.com/mailboxvalidator/mcp-mailboxvalidator

Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.

FAQ

How do I install MailboxValidator in Claude Code?

MailboxValidator installs from source — follow the repository README.

Which registries list MailboxValidator?

Submitted directly to Lulu MCPs.

What is MailboxValidator's trust score?

15 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.

trust & traction

Installs (all sources)—

GitHub stars—

License—

Transportstdio

Last synced10d ago

Links

Your server?

This is for the person who owns MailboxValidator — adds Lulu Ads to your own code. Not the install steps above, those are for your users.

Monetize it — your agent does the work

Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.

Claim this listing

Get verified so you can edit the page. Your badge is already live below — no claim needed for that.

Host with Lulu

Managed hosting with monetization built in — waitlist.

Your README badge — links here, updates live. Copy it straight into your README:

[![Lulu MCPs](https://getlulu.dev/api/mcps/badge/mailboxvalidator)](https://getlulu.dev/mcps/mailboxvalidator)