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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
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    MCP server that gives AI agents direct access to Google services including Gmail, Calendar, Drive, and more, with multi-account OAuth support. Enables reading and sending email, managing calendar events, and interacting with Google files through natural language.
    60
    69 npm
    1
    MIT
  • 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
  • A
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    A
    quality
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    maintenance
    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.
    49
    924 npm
    LGPL 3.0
  • A
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    A
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    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.
    11
    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
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    quality
    A
    maintenance
    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.
    MIT
  • A
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    C
    maintenance
    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.
    19 npm
    MIT
  • A
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    A
    maintenance
    A unified MCP server for email access across Gmail, Outlook, iCloud, and generic IMAP providers, enabling search, send, organize, and batch operations.
    236 npm
    22
    MIT
  • A
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    maintenance
    MCP server for managing email via IMAP/SMTP, supporting multiple accounts and tools for reading, sending, searching, and organizing emails.
    19 npm
    MIT
  • A
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    Not graded
    quality
    B
    maintenance
    Enables AI assistants to search a local email archive using hybrid keyword and semantic search, and retrieve individual emails with thread context.
    1
    MIT
  • A
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    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
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    maintenance
    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.
    19 npm
    ISC
  • F
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    B
    maintenance
    Enables Claude to read, search, draft, send, flag, and move email across multiple IMAP/SMTP mailboxes while keeping credentials local.
    -
  • F
    license
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    quality
    D
    maintenance
    An MCP server that provides structured analytics for email data by extracting signals like topic, tone, and urgency using a local LLM. It allows users to query email distributions, sender patterns, and specific signals through a SQLite-backed interface.
    -
  • F
    license
    Not graded
    quality
    C
    maintenance
    Local IMAP/SMTP MCP server that lets Claude read, search, draft, send, flag, and move mail across multiple IMAP mailboxes. Credentials stay on your machine.
    -
  • A
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    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
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    A
    quality
    C
    maintenance
    Enables AI assistants to access Aruba email and calendar services through IMAP, SMTP, and CalDAV protocols. Users can list, search, and send emails with custom signatures, as well as manage calendar events and invitations.
    14
    3
    MIT