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MailTester Email Verification

by com.mailtester
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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
Repository
mailtester-com/mailtester-mcp
GitHub Stars
0

TDQS

Score is being calculated.

Available Tools

9 tools
estimate_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
NameRequiredDescriptionDefault
emailsNoNumber of emails to verify (1 credit each).
list_idNoEstimate re-verifying an existing list by its id.
operationNoOperation 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
NameRequiredDescriptionDefault
termYesThe 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
NameRequiredDescriptionDefault
nameNoYour agent's name.
contactNoOptional operator email or URL.
purposeNoWhat you verify emails for.
get_batch_statusInspect

Get the progress and status of a bulk verification list/job by id.

ParametersJSON Schema
NameRequiredDescriptionDefault
list_idYes
get_credit_balanceInspect

Get the current credit balance and a short usage summary for the account.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

get_listInspect

Get the details of a single bulk verification list by its id.

ParametersJSON Schema
NameRequiredDescriptionDefault
list_idYesThe id of the bulk verification list.
list_listsInspect

List the user's bulk verification lists/jobs, most recent first.

ParametersJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum 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
NameRequiredDescriptionDefault
nameNoOptional label for the saved list.
emailsYesEmail 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
NameRequiredDescriptionDefault
emailYesThe email address to verify.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 9 tool updates
    • First observedestimate_cost
    • First observedexplain_result
    • First observedget_api_key
    • First observedget_batch_status
    • First observedget_credit_balance
    • First observedget_list
    • First observedlist_lists
    • First observedverify_batch
    • First observedverify_email

Related MCP Connectors

Related MCP Servers

  • sabit-mcp

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    A
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    Enables 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-verification

    Br0ski777
    A
    license
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    Real-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.
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  • mailverdict

    mailverdict
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    Keyless 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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