"An email protocol for sending and receiving messages" matching MCP servers:

MCP server for reading and responding to local macOS Messages from clients like Claude Desktop and Codex.

Enables sending and receiving email over generic IMAP and SMTP, with tools for searching, reading, drafting, attaching files, managing folders, and waiting for new messages.

Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.

Provides AI agents with real email infrastructure, enabling them to create inboxes, send/receive messages, and extract verification codes from incoming mail.

Enables Claude on macOS to read, search, and send iMessage, SMS, and RCS messages, with tools for stats, chat history, attachments, and message composition.

Autonomous DeFi yield for AI agents on Base. Query APY rates, agent status, payment splits, and referral stats. 4 read-only tools + 1 resource.

A simple MCP server that enables users to send emails using Resend's API, integrating with tools like Cursor and Claude Desktop for seamless email composition and delivery.

Enables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.

An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.

An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.

Trust infrastructure for the agent economy.

MCP server for parsing, validating, building and explaining FIX protocol trading messages — offline, no API keys.

An MCP server that provides AI trading agents with persistent, outcome-weighted memory to learn from historical performance and detect behavioral biases. It enables agents to automatically adjust strategies and optimize position sizing based on context-aware recall of past trade outcomes.

Security-enforcing MCP proxy that sits between an AI agent and any number of downstream MCP servers, intercepting every tool call through a capability-token policy gateway that can allow, deny, or escalate to human approval before the call reaches any real tool. It also exposes built-in operator tools for approval workflows, audit trail queries, token management, voice/HUD output, and hierarchical

MCP server that enables email management (send, read, search, delete, etc.) via IMAP/SMTP, compatible with Gmail, Outlook, Yahoo, iCloud, and other standard mail servers.

Connects to wetlab protocol resources such as protocols.io, enabling users to access and manage experimental protocols via natural language.

Universal email integration for AI assistants, supporting any IMAP provider with 18 tools for reading, sending, managing, and automating emails.

An MCP server for Microsoft Graph email that uses $filter instead of $search, allowing filtered email searches with sorting. It reuses the existing email-mcp authentication and provides tools for searching, listing folders, and retrieving email content.

Enables users to manage email accounts via IMAP/SMTP, including reading, searching, sending emails with attachments and calendar invites, all through natural language interactions with MCP-compatible clients.

This MCP server enables users to manage emails via POP3 and SMTP protocols, allowing for listing, searching, reading, and sending messages. It also supports fetching email threads and extracting text content from various document attachments including PDFs and Office files.