lookup_domain_registration — Domain Mail Check MCP Tool Read-only
lookup_domain_registration
(lookup domain registration) is one of 8 tools on the
Domain Mail Check
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call lookup_domain_registration from your client
- Claude Code Domain Mail Check lookup_domain_registration run in your project directory
- Claude Desktop Domain Mail Check lookup_domain_registration ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Domain Mail Check lookup_domain_registration ~/.cursor/mcp.json
- VS Code Domain Mail Check lookup_domain_registration .vscode/mcp.json
- Zed Domain Mail Check lookup_domain_registration ~/.config/zed/settings.json
- Windsurf Domain Mail Check lookup_domain_registration ~/.codeium/windsurf/mcp_config.json
- Cline Domain Mail Check lookup_domain_registration ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Domain Mail Check lookup_domain_registration ~/.gemini/settings.json
- Grok Domain Mail Check lookup_domain_registration .mcp.json (in your project root)
- ChatGPT Domain Mail Check lookup_domain_registration Settings → Connectors → Advanced → Developer mode
- Claude.ai Domain Mail Check lookup_domain_registration Settings → Connectors → Add custom connector
- LangChain Domain Mail Check lookup_domain_registration pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http mailcheck https://mailcheck.openkrill.app/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 10 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.