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MailVakt

com.mailvakt/mailvakt · v0.1.1

Measured by MCP Station

Description written by the publisher, not verified

Use when email lands in spam: audits SPF, DKIM, DMARC, MX and returns the DNS records to fix it.

Connect

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

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

Tools as reported by the server

• diagnose_domain
  Audit 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, optional checks and DKIM selectors, and fresh=true to bypass cached results. Return
• analyze_email_headers
  Analyze 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 domain are on free public blocklists (not Spamhaus), and detected issues. It doe
• generate_dns_records
  Propose 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 typed SPF, DKIM, DMARC, MTA-STS and TLS-RPT proposals or provider setup instruction
• start_inbox_test
  Create 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 get_inbox_test to read the result. Creates a new test on each call. Does not send
• get_inbox_test
  Read 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 deliverability findings. Reports processing failures as errors. Anyone with the test ID can r
• add_domain
  Add 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 existing entry. Requires domains:write permission. Does not verify domain ownershi
• list_domains
  List 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 find the account's available domains before requesting DMARC summaries; does not en
• get_dmarc_summary
  Summarize 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, and per-source SPF/DKIM alignment and receiver actions. Requires domains:read an

Website · JSON · Text for agents · Registry updated 2026-10-07