"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 agents to evaluate whether a product-adoption message is worth sending by applying a fixed, evidence-based rubric to a draft, recipient context, evidence, and the agent's own assessment, returning a send, revise, or hold recommendation with a score and reasons.

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

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 sending, reading, searching, and managing SMS/RCS messages through Google Messages web interface, requiring a persistent browser session paired with a phone.

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

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.

MCP server for managing email via IMAP/SMTP, supporting multiple accounts and tools for reading, sending, searching, and organizing emails.

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.

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.

Enables AI assistants to read recent emails and fetch full email content from an IMAP inbox, allowing natural language queries about email summaries.

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.

Tracks protocol adherence and maintains audit trails for Claude sessions, providing tools for logging steps, activities, and violations, and computing compliance scores.

Enables external AI agents to read, send, and manage email over IMAP/SMTP via MCP, including inbox listing, search, drafts, scheduled/batch sending, and operations like reply, archive, and labels.

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

A comprehensive MCP server for managing AI-assisted Dungeons & Dragons campaigns, featuring tools for character sheets, combat tracking, and world-building. It enables players and DMs to interact with 5e game mechanics and query personal PDF rulebooks using RAG capabilities.

A Python-based MCP server for managing email configurations, sending emails, and reading the latest unread emails.

An MCP server that enables AI assistants to send emails through SMTP protocol by providing server credentials, recipient information, subject, and message content.

Enables AI assistants to read, search, draft, and send email with attachments over IMAP/SMTP, keeping passwords in the OS keyring and gating outgoing mail on user approval for CMMC Level 2 environments.

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

Enables AI agents to read, search, send, and organize email over IMAP and SMTP for providers such as Gmail, Yahoo, iCloud, Zoho, Fastmail, and custom domains, with tools for attachments, drafts, templates, scheduling, and safe mailbox management.

Enables safe, multi-account Gmail and Microsoft 365 operations with explicit aliases, including searching, reading, drafting, archiving, labels/categories, and human-reviewed sending via a localhost approval window.

MCP server for email + calendar via classic Outlook on Windows (COM automation). No Azure app registration, no OAuth — it just drives the Outlook desktop client you're already signed into.

A unified MCP server for email access across Gmail, Outlook, iCloud, and generic IMAP providers, enabling search, send, organize, and batch operations.

Enables AI assistants to search a local email archive using hybrid keyword and semantic search, and retrieve individual emails with thread context.

Enables deterministic email triage by classifying messages into P0–P3 or REVIEW and emitting the pif.event.v1 contract. Provides tools for rendering Feishu messages, recording feedback, and retrieving policies, while leaving mailbox actions to Hermes.

A self-hosted MCP server for Gmail and Outlook that lets MCP clients read, search, send, reply, and manage email via OAuth, with no built-in secrets and support for both stdio and HTTP transports.

Enables MCP clients to access and manage email over IMAP, POP3, and SMTP, including listing, searching, reading, sending, downloading attachments, and managing flags, moves, and deletions using environment-based credentials and TLS.

Enables multi-agent coordination with file locking, shared registry, async messaging, and architectural decision logging via MCP tools.