A
licenseNot graded
qualityB
maintenanceEnables AI agents to verify email addresses through a multi-signal probabilistic pipeline, returning confidence scores and honest statuses (safe/risky/invalid/unknown) with evidence.
Apache 2.0
Email List Validation Email Verification
Server Details
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
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- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP · MCP 2024-11-05
- URL
TDQS
Score is being calculated.
Available Tools
9 toolsestimate_costInspect
Estimate 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.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| emails | No | Number of emails to verify (1 credit each). | |
| list_id | No | Estimate re-verifying an existing list by its id. | |
| operation | No | Operation type: bulk/single (1 credit) or finder (3 credits). | bulk |
explain_resultInspect
Explain 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 result means.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| term | Yes | The status/reason to explain, e.g. 'catch-all', 'GREYLISTED', 'unknown', 'role'. Case-insensitive. |
get_api_keyInspect
Get a free API key for this server (no account needed; 25 email verifications per day). Returns the key once — reconnect with 'Authorization: Bearer ' to use the other tools.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| name | No | Your agent's name. | |
| contact | No | Optional operator email or URL. | |
| purpose | No | What you verify emails for. |
get_batch_statusInspect
Get the progress and status of a bulk verification list/job by id.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| list_id | Yes |
get_credit_balanceInspect
Get the current credit balance and a short usage summary for the account.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
get_listInspect
Get the details of a single bulk verification list by its id.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| list_id | Yes | The id of the bulk verification list. |
list_listsInspect
List the user's bulk verification lists/jobs, most recent first.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| limit | No | Maximum number of lists to return. |
verify_batchInspect
Verify 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.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| name | No | Optional label for the saved list. | |
| emails | Yes | Email addresses to verify. |
verify_emailInspect
Verify the deliverability of a single email address. Returns a verdict (valid, invalid, risky, unknown). Costs 1 credit.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| Yes | The email address to verify. |
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
9 tool updates
- First observed
estimate_cost - First observed
explain_result - First observed
get_api_key - First observed
get_batch_status - First observed
get_credit_balance - First observed
get_list - First observed
list_lists - First observed
verify_batch - First observed
verify_email
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Related MCP Servers
- AlicenseNot gradedqualityCmaintenanceReal-time email verification API with syntax, MX, disposable detection, role-based flags, quality score 0-100. Built for agent outreach pipelines with pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.MIT
- AlicenseNot gradedqualityBmaintenanceKeyless email validation: disposable/burner, role-account, and free-provider detection, MX checks, and typo suggestions. Tools: check_email, check_domain.MIT
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