Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
An MCP server to make phone calls using VoIP/SIP and OpenAI's Realtime API and observe the transcript.
The most complete Resend email MCP — full API coverage (75 tools) plus a unique debug/diagnostics layer: deliverability analysis, DNS troubleshooting, email inspection, bounce explanation, and account audit. npx -y resend-email-mcp.