MailValid Email Verification
Verify emails: syntax, MX, SMTP mailbox, disposable, role and catch-all checks. Single and bulk.
Connect it
Settings → Connectors → Add custom connector
URL: https://mailvalid.io/mcp/Settings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mailvalid.io/mcp/{
"mcpServers": {
"email-verifier": {
"url": "https://mailvalid.io/mcp/",
"headers": {
"X-API-Key": "<YOUR_X_API_KEY>"
}
}
}
}claude mcp add --transport http email-verifier https://mailvalid.io/mcp/ --header "X-API-Key: <value>"{
"servers": {
"email-verifier": {
"type": "http",
"url": "https://mailvalid.io/mcp/",
"headers": {
"X-API-Key": "<YOUR_X_API_KEY>"
}
}
}
}6 tools, verified live
verify_emailVerify a single email's deliverability (syntax, DNS/MX, SMTP mailbox, disposable / role / catch-all detection, confidence score). Costs 1 credit for a billable result (valid/invalid/catch_all/do_not_mail), whether fresh or served from cache. `unknown` results are free. Requires an API key. Returns {success, credits_used, result}.
submit_bulk_verificationQueue a list of emails for asynchronous verification. Reserves up to N credits (final charge settles on completion). Poll get_bulk_job for status and results. Optionally provide webhook_url for a completion callback. Requires an API key. Returns {job_id, status, total_emails, credits_reserved}.
get_bulk_jobread-onlyGet the status, progress, and (when complete) results of a bulk job by its job_id. Requires an API key.
list_bulk_jobsread-onlyList your recent bulk verification jobs (paginated, newest first). Optionally filter by status. Requires an API key.
cancel_bulk_jobcan modifyCancel a pending or processing bulk job and release any reserved credits. Requires an API key.
get_credit_balanceread-onlyReturn your current credit balance and lifetime usage. Requires an API key.
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