MailVakt

Connect it to your AI

Claude Code

claude mcp add --transport http mailvakt https://mcp.mailvakt.com/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://mcp.mailvakt.com/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "mailvakt": {
      "url": "https://mcp.mailvakt.com/mcp"
    }
  }
}

Tools it offers

8 tools, as the server itself reported during our check on Oct 31, 2026.

• diagnose_domainAudit a domain's SPF, DKIM, DMARC, MX, alignment, BIMI, MTA-STS and TLS-RPT setup and check it against free public blocklists (not Spamhaus) when troubleshooting email authentication or spam delivery. Takes a domain, opt
• analyze_email_headersAnalyze raw email headers supplied by the user to investigate authentication or delivery issues. Returns the SPF, DKIM and DMARC results reported in those headers, alignment, the sending IP, whether that IP and the From
• generate_dns_recordsPropose email-authentication DNS records and policy files for a domain using its DNS configuration and optional provider names or IDs. Supports baseline (monitoring) or enforce goals; baseline is the default. Returns typ
• start_inbox_testCreate an email-receipt test in MailVakt. Takes an optional expected sender domain; returns a test ID, unique recipient address and expiry time. The user must send a test message to that address before expiry, then use g
• get_inbox_testRead a MailVakt email-receipt test using the ID returned by start_inbox_test. Returns pending, received or expired status and, when processed, the received message's authentication, unsubscribe, content and deliverabilit
• add_domainAdd a domain to the signed-in user's MailVakt account for DMARC report collection. Takes a domain; returns its DMARC reporting (rua) address and account entry. Repeated calls for the same account and domain return the ex
• list_domainsList domains in the signed-in user's MailVakt account, including each domain's DMARC reporting address. Takes no input and requires domains:read permission. Returns an empty list if the account has no domains. Use to fin
• get_dmarc_summarySummarize received DMARC aggregate reports for a domain already in the signed-in user's MailVakt account. Takes the domain and a 1-to-90-day window (default 7); returns report and message totals, DMARC pass/fail counts,

Questions