Email Verifier

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tech.noahsarch/email-verifierv0.1.1 Domain verified

Verify emails: syntax, MX, disposable, role, typo fix, optional SMTP probe, SPF/DMARC.

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https://verify.noahsarch.tech/mcp

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domain_check Read-only

Does the domain accept mail, which MX hosts, is it a disposable or free-mail provider, does it publish SPF and DMARC (and the DMARC policy)? Use before trusting a sender domain or when onboarding a company. Example: domain 'noahsarch.tech'. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100, the checks run, plus data_confidence, estimated_items[], sources[], data_version, warnings[] and a disclaimer. No logging of addresses.

domainstring, required

Domain (or an address; the domain part is used).

Tools (5)

domain_check

read-only

Argument	Type	Description
domain*	string	Domain (or an address; the domain part is used).

Input schema (JSON)

{
  "type": "object",
  "title": "domain_checkArguments",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "title": "Domain",
      "description": "Domain (or an address; the domain part is used)."
    }
  }
}

extract_emails

Find every address in a block of text or HTML (deduped by default). Free. Pair with verify_emails. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100, the checks run, plus data_confidence, estimated_items[], sources[], data_version, warnings[] and a disclaimer. No logging of addresses.

read-only

Argument	Type	Description
text*	string	Any text/HTML to pull addresses from.
dedupe	boolean

Input schema (JSON)

{
  "type": "object",
  "title": "extract_emailsArguments",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "title": "Text",
      "description": "Any text/HTML to pull addresses from."
    },
    "dedupe": {
      "type": "boolean",
      "title": "Dedupe",
      "default": true,
      "description": ""
    }
  }
}

suggest_fix

Fix common typos: gmial.com, hotmail.con, yaho.com, stray spaces/dots. Returns the suggestion (or null) and which fixes applied. Free. Example: email '[email protected]'. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100, the checks run, plus data_confidence, estimated_items[], sources[], data_version, warnings[] and a disclaimer. No logging of addresses.

read-only

Argument	Type	Description
email*	string

Input schema (JSON)

{
  "type": "object",
  "title": "suggest_fixArguments",
  "required": [
    "email"
  ],
  "properties": {
    "email": {
      "type": "string",
      "title": "Email",
      "description": ""
    }
  }
}

verify_email

Full check of one address: RFC syntax and normalisation, domain existence and MX records (incl. null-MX and implicit-MX), disposable-provider list (10k+ domains), role account, free-mail provider, typo suggestion; optional SMTP RCPT probe with catch-all detection and optional SPF/DMARC. Example: email '[email protected]', smtp_check false. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100, the checks run, plus data_confidence, estimated_items[], sources[], data_version, warnings[] and a disclaimer. No logging of addresses.

read-only

Argument	Type	Description
email*	string	The address to verify.
smtp_check	boolean	Also probe the mailbox with an SMTP RCPT TO handshake (no message is sent). Slower (1–8 s); some servers block it.
check_policy	boolean	Also report whether the domain publishes SPF and DMARC.

Input schema (JSON)

{
  "type": "object",
  "title": "verify_emailArguments",
  "required": [
    "email"
  ],
  "properties": {
    "email": {
      "type": "string",
      "title": "Email",
      "description": "The address to verify."
    },
    "smtp_check": {
      "type": "boolean",
      "title": "Smtp Check",
      "default": false,
      "description": "Also probe the mailbox with an SMTP RCPT TO handshake (no message is sent). Slower (1–8 s); some servers block it."
    },
    "check_policy": {
      "type": "boolean",
      "title": "Check Policy",
      "default": false,
      "description": "Also report whether the domain publishes SPF and DMARC."
    }
  }
}

verify_emails

Same checks as verify_email for a list, run in parallel with per-domain DNS caching; returns per-address results, a summary by status, and `clean` (the deliverable ones). Charged per unique address. Example: emails ['[email protected]','[email protected]'], smtp_check false. Response: result with status (deliverable | risky | undeliverable | invalid | unknown), reason, score 0–100, the checks run, plus data_confidence, estimated_items[], sources[], data_version, warnings[] and a disclaimer. No logging of addresses.

read-only

Argument	Type	Description
dedupe	boolean	Drop case-insensitive duplicates before checking (duplicates are not charged).
emails*	array	Up to 1,000 addresses.
smtp_check	boolean	SMTP RCPT TO probe per mailbox (slower; some servers block it).
check_policy	boolean	Report SPF/DMARC presence per domain.

Input schema (JSON)

{
  "type": "object",
  "title": "verify_emailsArguments",
  "required": [
    "emails"
  ],
  "properties": {
    "dedupe": {
      "type": "boolean",
      "title": "Dedupe",
      "default": true,
      "description": "Drop case-insensitive duplicates before checking (duplicates are not charged)."
    },
    "emails": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "title": "Emails",
      "description": "Up to 1,000 addresses."
    },
    "smtp_check": {
      "type": "boolean",
      "title": "Smtp Check",
      "default": false,
      "description": "SMTP RCPT TO probe per mailbox (slower; some servers block it)."
    },
    "check_policy": {
      "type": "boolean",
      "title": "Check Policy",
      "default": false,
      "description": "Report SPF/DMARC presence per domain."
    }
  }
}

Email Verifier

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domain_check Read-only

Email Verifier

Try it

domain_check Read-only

Install

Tools (5)

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