MCP Servers
63,071 MCP servers for AI apps. Filter by category, badge and popularity.
Communication
VirtualSMS MCP gives AI agents full SMS verification capability: discover prices, buy temporary phone numbers, and receive verification codes in real time via WebSocket push (with polling fallback). It includes 11 MCP tools for search, pricing, purchase, order management, and cod
This Python script implements an MCP (Model Context Protocol) server using the mcp library (FastMCP) that allows an LLM (like Claude) to interact with an email account using POP3 (for reading/deleting emails) and SMTP (for sending emails), both secured with TLS encryption
MCP server for Mattermost API. Enables Claude and other MCP clients to interact with Mattermost workspaces — list channels, read/post messages, manage threads, reactions, and monitor topics. Supports flexible configuration via CLI args, environment variables, or config files
This Python script implements an MCP (Model Context Protocol) server using the mcp library (FastMCP) that allows an LLM (like Claude) to interact with an email account using POP3 (for reading/deleting emails) and SMTP (for sending emails), both secured with TLS encryption
29 MCP tools across reads (mail_list, mail_search, mail_read, labels_list, …) and writes (mail_send, mail_reply, mail_move, labels_create, mail_draft_*, …). Every write tool is gated by a YAML policy engine + Touch ID approval; every tool call writes a redacted row to a local audit
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.
