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20 Best Email MCP Servers: compared and ranked, November 2026Ranked from 3,360 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
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    B
    maintenance
    Enables AI agents to search, read, organize, draft, send, and schedule email through a scoped token, with actions journaled and reversible. It also supports proposal queues, approval workflows, and undo operations for safe mailbox automation.
    15 npm
    8
    Apache 2.0
  • F
    license
    A
    quality
    D
    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
    B
    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
    1,018 npm
    92
    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
    25 npm
    1
    Apache 2.0
  • A
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    quality
    A
    maintenance
    Enables AI assistants to read, search, send, schedule, and organize email across multiple IMAP/SMTP accounts, with provider-aware labels, drafts and templates, real-time IMAP IDLE watching, calendar extraction, analytics, and a guided setup wizard. Supports stdio and Streamable HTTP transports along with experimental OAuth2 for Gmail and Microsoft 365.
    25 npm
    ISC
  • A
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    quality
    A
    maintenance
    Enables AI assistants to read, search, send, manage, schedule, and analyze email across multiple IMAP/SMTP accounts from a single server. It also supports drafts and templates, provider-aware labels, real-time inbox watching with triage, verification-code capture, calendar extraction, and email analytics over stdio or Streamable HTTP.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, reply, forward, schedule, organize, and analyze email across multiple IMAP/SMTP accounts, with drafts, provider-aware labels, real-time inbox watching, verification-code capture, and calendar extraction.
    25 npm
    ISC
  • A
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    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, manage, schedule, and analyze email across multiple IMAP/SMTP accounts through a single MCP server. Also supports drafts and templates, provider-aware labels and bulk operations, calendar extraction, real-time mailbox watching, and OAuth2 sign-in for Gmail and Microsoft 365.
    25 npm
    ISC
  • A
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    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.
    25 npm
    1
    ISC
  • A
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    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, manage, schedule, and analyze email across multiple IMAP/SMTP accounts through MCP, including drafts and templates, provider-aware labels, bulk operations, real-time IMAP IDLE watching with AI triage, verification-code capture, calendar extraction, and analytics.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, manage, schedule, and analyze email across multiple IMAP/SMTP accounts, with OAuth2, drafts, labels, real-time IDLE watching, and calendar extraction.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, schedule, manage, and analyze email across multiple IMAP/SMTP accounts, including drafts, labels, real-time monitoring, verification-code catching, and calendar extraction. It supports stdio and Streamable HTTP transports, OAuth2, provider auto-detection, and guided setup.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, reply to, forward, draft, schedule, organize, and analyze email across multiple IMAP/SMTP accounts, with labels, real-time inbox watching, verification-code capture, calendar extraction, and OAuth2 support. It also offers customizable presets, static rules, and a guided setup wizard for fast configuration.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, schedule, manage, and analyze email across multiple IMAP/SMTP accounts, including drafts, templates, provider-aware labels, real-time inbox watching, and calendar extraction. It also supports OAuth2, verification-code capture, and both stdio and Streamable HTTP transports.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, manage, schedule, and analyze email across multiple IMAP and SMTP accounts, with tools, prompts, and resources exposed over the Model Context Protocol. It also supports real-time inbox watching with AI triage, provider-aware label management, calendar extraction, analytics, and OAuth2 authentication.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, reply, forward, schedule, and organize email across multiple IMAP/SMTP accounts, with drafts and templates, provider-aware labels, bulk operations, real-time IMAP IDLE watching, verification-code capture, AI triage presets, calendar extraction, and analytics. Supports OAuth2 for Gmail and Microsoft 365, a guided setup wizard, and both stdio and Streamable HTTP transports.
    25 npm
    ISC
  • A
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    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
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    quality
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    maintenance
    Multi-account IMAP/SMTP email MCP server with 22 tools — read, send, search, organize, thread, attachments, and batch operations. Features connection pooling, rate limiting, retry with backoff, and OAuth2 device-code flow. Written in Go.
    3
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, reply to, forward, draft, schedule, manage, and analyze email across multiple IMAP/SMTP accounts through the Model Context Protocol. Includes provider-aware label management, real-time IMAP IDLE watching with AI-powered triage, verification-code capture, calendar (ICS) extraction, desktop/webhook alerts, and OAuth2 support for Gmail and Microsoft 365.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, schedule, and organize messages across multiple IMAP/SMTP accounts, with real-time inbox watching, verification-code capture, calendar extraction, and analytics. It supports provider-aware label management, OAuth2, and both local stdio and networked Streamable HTTP transports.
    25 npm
    ISC
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, reply, forward, schedule, organize, and analyze email across multiple IMAP/SMTP accounts, with drafts and templates, provider-aware labels and bulk operations, real-time IMAP IDLE watching with AI triage, verification-code capture, and ICS calendar extraction. It also supports OAuth2 for Gmail and Microsoft 365, desktop and webhook alerts, a guided setup wizard, and both stdio and Streamable HTTP transports.
    25 npm
    ISC
  • A
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    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
    Not graded
    quality
    A
    maintenance
    Enables AI assistants to read, search, send, schedule, and organize mail across multiple IMAP/SMTP accounts, including drafts, provider-aware labels, analytics, calendar extraction, and real-time inbox watching with verification-code capture. Runs over stdio or Streamable HTTP and supports auto-detected providers, OAuth2, and multi-account operation.
    25 npm
    ISC
  • 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.
    2
    1
    119 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables MCP clients to turn Make blueprints and Zapier exports into n8n workflow files, with a per-step report of what converted, what to review, and what must be finished by hand. Also lists zaps, explains how individual steps are handled, checks workflow files for broken links or placeholders, and can upload the result to an n8n instance as an inactive workflow.
    6
    436 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
    A
    maintenance
    Provides IMAP and SMTP capabilities, enabling developers to manage email services with seamless integration and automated workflows.
    21
    4,010 PyPI
    377
    BSD 3-Clause
  • 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
    57 npm
    MIT