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

Enables reading and sending messages in Google Messages for web through a paired Chrome tab using chromefile, with tools for status, listing conversations, reading message history, and sending texts.

Enables fuzzy search and browsing of Apple Messages (iMessage/SMS) with contact resolution, filtering by sender or date, and context display through CLI, MCP, or Claude Code plugin.

Enables MCP clients to connect to Google Messages for Web for session-status checks and, eventually, message preparation and confirmation workflows without exposing secrets.

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

Integrates with Mailtrap Email Platform to enable sending transactional emails via API.

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 AI agents to provision their own email inbox on cooperemail.com, then send, receive, search, and thread real mail, get signed webhooks on delivery, and loop in a human owner who can reply to unblock decisions.

Enables fuzzy searching and browsing of Slack messages, users, and channels via CLI or MCP server integration.

An MCP server that allows Claude Desktop or Cursor to send emails directly using Resend's API, eliminating the need to copy-paste email content.

Enables AI coding agents to communicate and coordinate through a durable, vendor-neutral message bus with support for threads, tasks, presence, and webhooks.

A stdio MCP server exposing a validate_emails tool that lets agents screen email lists without sending mail or probing SMTP, checking syntax, DNS/MX records, disposable domains, role accounts, free providers, typo suggestions, and SPF/DMARC. Each address comes back with a valid/risky/invalid/unknown verdict plus machine-readable reason codes so agents can clean leads and signups before outreach or import.

Enables an agent to read the user's local Messages.app database on macOS, listing chats and threads and searching iMessage/SMS history entirely on localhost, with optional AppleScript sending gated behind an explicit flag. Access is read-only and scoped-shut by default, and replies can be optionally sent when send mode is enabled.

Publishes a spending-summary tool alongside an interactive HTML view, letting people click a category in the answer to fetch the individual expense records behind that total. Keeps calculations and their supporting evidence together in a single inspectable flow.

Enables AI assistants like Cursor and Claude Desktop to compose and send emails directly via Resend's API, supporting plain text and HTML content, scheduling, CC/BCC, and reply-to configuration.

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.

IMAP/SMTP email MCP server with App Passwords. Auto-discovers Gmail, Outlook, Yahoo, iCloud. 5 composite tools, multi-account.

Trust infrastructure for the agent economy.

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

Lets AI agents send email over SMTP and read, search, and manage email over IMAP or POP3 using app passwords or authorization codes, with attachment handling and support for common providers.

A Model Context Protocol (MCP) server that enables Claude Desktop to manage emails via SMTP and IMAP. Send emails, fetch unread messages, and create draft replies directly from conversations.

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.

Enables AI assistants to read Apple Messages chat history and send iMessages or SMS on macOS, accessible locally via stdio or remotely over authenticated HTTP.

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

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.

A Model Context Protocol server that enables AI models to send emails via simple tool calls, supporting both plain text and HTML formats with JWT authentication.

Enables AI clients to create and configure monitors, subscribe to their evidence streams with durable cursors, and process observations with guaranteed at-least-once delivery.

Headless email connector that lets AI agents read, search, draft, and send emails across multiple providers (Proton, IMAP/SMTP, Gmail) via REST and MCP tools, with scoped permissions and encrypted credential storage.

Enables AI agents and Telegram bots to read and send Gmail messages via MCP with OAuth authentication.

Enables searching, reading, sending, replying to, forwarding, and organizing email across multiple SMTP/IMAP accounts.