spf_check — MailX Email Deliverability MCP Tool
spf_check
(spf check) is one of 16 tools on the
MailX Email Deliverability
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call spf_check from your client
- Claude Code MailX Email Deliverability spf_check run in your project directory
- Claude Desktop MailX Email Deliverability spf_check ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor MailX Email Deliverability spf_check ~/.cursor/mcp.json
- VS Code MailX Email Deliverability spf_check .vscode/mcp.json
- Zed MailX Email Deliverability spf_check ~/.config/zed/settings.json
- Windsurf MailX Email Deliverability spf_check ~/.codeium/windsurf/mcp_config.json
- Cline MailX Email Deliverability spf_check ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI MailX Email Deliverability spf_check ~/.gemini/settings.json
- Grok MailX Email Deliverability spf_check .mcp.json (in your project root)
- ChatGPT MailX Email Deliverability spf_check Settings → Connectors → Advanced → Developer mode
- Claude.ai MailX Email Deliverability spf_check Settings → Connectors → Add custom connector
- LangChain MailX Email Deliverability spf_check pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http email-deliverability https://themailx.com/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 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.