Domain Health for Claude.ai

com.modernmustardseed/domain-health

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

client:Claude.ai transport:streamable-http tools:5

Install Domain Health in Claude.ai

Settings → Connectors → Add custom connector

https://mcp.modernmustardseed.com/domain-health

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

check_email_auth
check_ssl
check_security_headers
check_domain_registration
full_domain_report

Domain Health in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Domain Health MCP server