MCP server

Qualisend Email Verification Official

com.qualisend/email-verification

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Verify email addresses and clean lists to improve deliverability and sender reputation.

Website

At a glance

Type

MCP server

Publisher

qualisend.com (verified by the MCP Registry)

Status

Working at last check

Tools

12

Token cost

About 2,041 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http email-verification https://app.qualisend.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.email-verification]
url = "https://app.qualisend.com/api/mcp"

Gemini CLI

{"mcpServers":{"email-verification":{"httpUrl":"https://app.qualisend.com/api/mcp"}}}

Cursor

{"mcpServers":{"email-verification":{"url":"https://app.qualisend.com/api/mcp"}}}

VS Code

{"servers":{"email-verification":{"type":"http","url":"https://app.qualisend.com/api/mcp"}}}

Antigravity

agy mcp add email-verification https://app.qualisend.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"email-verification","server_url":"https://app.qualisend.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"email-verification","server_url":"https://app.qualisend.com/api/mcp"}

Tools

• analyze_email_header ~160 tokens
  Read the hidden technical details of an email (its 'headers') to show the route it took, how long each step took, and whether it passed spam/authentication checks - handy for figuring out why a message was slow or went to spam. Paste the message source / 'Show original'. No credit used. Available on
• check_blacklist ~239 tokens
  Check whether a sending domain or IP is currently on any of the major email blacklists that can push your mail to spam - a point-in-time reputation check across lists like Spamhaus, SpamCop, and Barracuda. No credit used. Requires the Qualisend Blacklist Monitoring add-on. Read the result carefully:
• check_disposable ~130 tokens
  Tell whether an email address is a throwaway/temporary one, a generic team inbox (like info@ or support@), or a free consumer address (like gmail) - useful for spotting low-quality sign-ups. No credit used. Available on the Qualisend Pro plan.
• check_domain Sends messages · ~138 tokens
  Check whether a domain is set up to send email that reaches the inbox - its mail servers plus its SPF and DMARC sender-authentication, and what's missing. A plain deliverability health check for a sending domain. No credit used. Available on the Qualisend Pro plan.
• check_typo ~117 tokens
  Spot a likely typo in an email's domain (like gmial.com) and suggest the correct one, so you don't lose contacts to misspelled addresses. No credit used. Available on the Qualisend Pro plan.
• generate_dns_record ~517 tokens
  Create the exact DNS setting a domain needs so its email is trusted and harder to spoof - SPF, DMARC, BIMI, or MTA-STS. Returns the record to copy into DNS, with where to put it. No credit used. Available on the Qualisend Pro plan.
• get_credit_balance ~59 tokens
  Return the number of verification credits available in your Qualisend workspace.
• get_verification ~136 tokens
  Look up the status and result of a verification you started, by job_id (returned from verify_email/verify_emails). For a single check it returns the final verdict once the mailbox probe completes; for a batch it returns progress + a result-mix summary.
• lookup_smtp_code ~117 tokens
  Explain a mail-server reply/error code (like 550 or 5.1.1) in plain English, and say whether it's a temporary hiccup or a permanent failure. No credit used. Available on the Qualisend Pro plan.
• verify_email ~124 tokens
  Verify a single email address - syntax, domain/MX, disposable + role detection, typo suggestion, and mailbox reachability. Returns a deliverability verdict (deliverable / risky / undeliverable / unknown). Consumes 1 credit.
• verify_emails ~124 tokens
  Verify up to 50 email addresses at once and get a deliverability verdict for each, synchronously. Consumes 1 credit per address. For larger lists (up to 1000), use verify_list.
• verify_list ~180 tokens
  Verify a large list of up to 1000 email addresses. This runs ASYNCHRONOUSLY: it creates ONE bulk job, returns a job_id immediately, and the mailbox probes run in the background. Poll get_verification with the job_id for progress and a result summary (counts by verdict). Consumes 1 credit per address

Browse

• Domains and DNS
• Email

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