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91,189 servers. Updated
20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,467 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    A
    maintenance
    Provides IMAP and SMTP capabilities, enabling developers to manage email services with seamless integration and automated workflows.
    18
    2,684 PyPI
    335
    BSD 3-Clause
  • F
    license
    A
    quality
    C
    maintenance
    A lightweight Model Context Protocol (MCP) server that enables your LLM to validate email addresses. This tool checks email format, domain validity, and deliverability using the AbstractAPI Email Validation API. Perfect for integrating email validation into AI applications like Claude Desktop.
    1
    4
    -
  • F
    license
    B
    quality
    D
    maintenance
    A Model Context Protocol service for comprehensive email management that supports multiple email providers, with complete functionality for viewing, organizing, and batch processing emails.
    10
    -
  • A
    license
    B
    quality
    D
    maintenance
    An MCP service that enables AI to fully manage email accounts, supporting sending emails with attachments and multiple recipients across various email providers.
    7
    1,026 npm
    77
    MIT
  • A
    license
    C
    quality
    F
    maintenance
    An MCP server that enables AI assistants to send emails through SMTP protocol by providing server credentials, recipient information, subject, and message content.
    1
    19 npm
    1
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI to send, read, search, delete and reply to emails through SMTP or Gmail API, supporting common email services like QQ, 163, Gmail and Outlook with HTML/text formats and attachments.
    19 npm
    1
    ISC
  • A
    license
    Not graded
    quality
    B
    maintenance
    An open-source MCP server that provides AI agents with secure access to read, search, and manage emails via Microsoft 365 and Gmail. It features security-first defaults like recipient allowlists and markdown content conversion to facilitate safe agent interaction with mailboxes.
    6
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI agents to send transactional emails programmatically through the Lemon Email API. Provides simple email sending capabilities with customizable sender information, recipients, and content.
    2
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables email management through IMAP and SMTP protocols, supporting reading, sending, replying to emails with proper threading, and downloading attachments. Supports multiple email accounts with flexible configuration options.
    1
    BSD 3-Clause
  • A
    license
    Not graded
    quality
    B
    maintenance
    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.
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables agents to convert Markdown into WhatsApp-compatible formatting, including styled text, lists, and tables that fit a phone's monospace width.
    1
    47 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    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.
    11
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables AI agents to send, receive, and reply to email through dedicated thread-aware mailboxes, with sandbox testing and compatibility across MCP clients.
    9
    192 npm
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to read, search, compose, and send emails by connecting to any IMAP/SMTP provider. It supports comprehensive mailbox management, including draft handling and message deletion, directly through natural language.
    10
    209 npm
    10
    MIT
  • F
    license
    B
    quality
    B
    maintenance
    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.
    30
    3
    -
  • F
    license
    B
    quality
    Not graded
    maintenance
    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.
    8
    -