Email List Validation Email Verification
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
Connect Remote server
claude mcp add --transport http email-verification https://app.emaillistvalidation.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"email-verification": {
"url": "https://app.emaillistvalidation.com/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"email-verification": {
"type": "http",
"url": "https://app.emaillistvalidation.com/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://app.emaillistvalidation.com/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 9 found in our last check
get_api_keyGet your own free API key for this server (no account needed; 25 email verifications per day). Optional: the verification tools already work without a key on a shared trial. Returns the key once — reconnect with 'Authorization: Bearer <api_key>' for your own quota and the list t…
get_credit_balanceGet the current credit balance and a short usage summary for the account.
list_listsList the user's bulk verification lists/jobs, most recent first.
get_listGet the details of a single bulk verification list by its id.
explain_resultExplain what a verification status or reason means in plain English, with a send recommendation. Covers valid, invalid, catch-all/accept-all, unknown, greylisted, disposable, role, free, spam-trap, abuse, do-not-mail, no-mx, disabled, and network. Use when a user asks what a res…
verify_emailVerify the deliverability of a single email address. Returns a verdict (valid, invalid, risky, unknown). Costs 1 credit.
verify_batchVerify a batch of email addresses (up to 25 per call with an agent key). Returns per-email verdicts and saves a list. Costs 1 credit per email.
estimate_costEstimate the credit cost of a verification before running it, and whether the user can afford it. Provide either a count of emails, a list_id to re-verify, or an operation ('single'/'finder'). Always quote this before proposing anything billable.
get_batch_statusGet the progress and status of a bulk verification list/job by id.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Bearer <api_key>. Get a free key (25 verifications/day) with the get_api_key tool or POST https://app.emaillistvalidation.com/agent-gateway/register |
Details
| Endpoint | https://app.emaillistvalidation.com/mcp (Streamable HTTP) |
| First published | 8 Oct 2026 |
| Last updated | 8 Oct 2026 |
| Registry name | com.emaillistvalidation/email-verification |
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