MCP Servers
63,654 MCP servers for AI apps. Filter by category, badge and popularity.
Business & Marketing
Email-deliverability tools for AI agents — 12 MCP tools across email verification, DNSBL across 50 zones, SPF/DKIM/DMARC analysis, spam-trap heuristic scoring, domain intelligence, and email finder. Free tier with no credit card. MIT licensed. Drops into Claude Desktop and Cursor.
This project builds a read-only MCP server. For full read, write, update, delete, and action capabilities and a simplified setup, check out our free CData MCP Server for Freshdesk (beta): https://www.cdata.com/download/download.aspx?sku=GFZK-V&type=beta
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.
