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19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 3,021 matching servers on stars, growth, downloads and maintenance. Updated .

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  • 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
    3,017 npm
    86
    MIT
  • F
    license
    A
    quality
    B
    maintenance
    Enables MCP clients to validate email addresses locally before sending or saving them, detecting typos, disposable domains, dead domains, bad syntax, role addresses, duplicates, and provider information.
    2
    -
  • 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
    -
  • A
    license
    A
    quality
    D
    maintenance
    Create disposable email inboxes, extract OTP codes in 15 languages, and receive webhooks — all from your AI agent. One call: create inbox → wait for email → get the verification code. Supports 7 domains, email forwarding, and HMAC-signed webhooks with OTP included in payload. Free tier available.
    8
    9 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    A high-performance MCP server for Apple Mail that uses optimized JavaScript for Automation (JXA) to search and manage emails. It enables users to list accounts, fetch mailboxes, and retrieve today's, unread, or flagged messages with significantly improved speed through batch property fetching.
    7
    305 PyPI
    72
    GPL 3.0
  • A
    license
    A
    quality
    A
    maintenance
    A multi-service email platform for MCP-compatible clients that supports standard email providers, transactional APIs, and local testing environments. It enables users to send and receive emails, monitor service health, and integrate with messaging webhooks like Slack and Discord through natural language commands.
    10
    3
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables AI assistants to verify single email addresses and bulk lists of up to 1,000 addresses in real time, checking RFC 5322 syntax, DNS MX records, disposable providers, role accounts, and typos, with an optional deep SMTP mailbox handshake. Bulk runs handle partial-quota situations gracefully.
    2
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    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.
    136
    12,187 npm
    576
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    A secure Model Context Protocol service that enables executing SQL Server queries with built-in protection against SQL injection and destructive operations.
    9
    5 npm
    1
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    Assesses supported service-grant narrowing while preserving one required request through a Gooo-generated policy. Returns ELIGIBLE, REFUSED, or INVALID_INPUT with supplied unsigned facts and source bindings for read-only policy review.
    2
    1
    BSD 3-Clause
  • A
    license
    B
    quality
    C
    maintenance
    Enables AI assistants to interact with the Inbound Email API to manage domains, endpoints, and email communications. Users can send or schedule emails, manage webhooks, and retrieve email threads through natural language commands.
    14
    2
    Apache 2.0
  • F
    license
    B
    quality
    D
    maintenance
    A Model Context Protocol (MCP) service for integration with external platforms, providing CRUD operations for 23 entity types through a standardized MCP interface.
    11
    -
  • A
    license
    B
    quality
    D
    maintenance
    A simple service using Model Context Protocol (MCP) to provide weather information for multiple cities including Fukuoka, Tokyo, Osaka, Moscow, and New York.
    1
    4 npm
    5
    MIT
  • A
    license
    C
    quality
    B
    maintenance
    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.
    1
    9 npm
    16
    ISC