check_security_headers — Domain Health MCP Tool Read-only
check_security_headers
(check security headers) is one of 5 tools on the
Domain Health
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call check_security_headers from your client
- Claude Code Domain Health check_security_headers run in your project directory
- Claude Desktop Domain Health check_security_headers ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Domain Health check_security_headers ~/.cursor/mcp.json
- VS Code Domain Health check_security_headers .vscode/mcp.json
- Zed Domain Health check_security_headers ~/.config/zed/settings.json
- Windsurf Domain Health check_security_headers ~/.codeium/windsurf/mcp_config.json
- Cline Domain Health check_security_headers ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Domain Health check_security_headers ~/.gemini/settings.json
- Grok Domain Health check_security_headers .mcp.json (in your project root)
- ChatGPT Domain Health check_security_headers Settings → Connectors → Advanced → Developer mode
- Claude.ai Domain Health check_security_headers Settings → Connectors → Add custom connector
- LangChain Domain Health check_security_headers pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http domain-health https://mcp.modernmustardseed.com/domain-healthOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 11 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.