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mcp/harbor
Verified official

Domain Health MCP

v1.0.0

com.modernmustardseed/domain-health

Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.

transport:streamable-http tools:5
Website

Target client

run in your project directory 

claude mcp add --transport http domain-health https://mcp.modernmustardseed.com/domain-health

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

check_email_auth Read-only

check email auth

check_ssl Read-only

check ssl

check_security_headers Read-only

check security headers

check_domain_registration Read-only

check domain registration

full_domain_report

full domain report

All 5 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.