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93,551 servers. Updated
19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 2,563 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    Not graded
    quality
    D
    maintenance
    A headless, disposable email inbox that an AI agent drives over MCP, enabling temporary email addresses and email receipt for testing signup flows.
    11 npm
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    An MCP server exposing every documented Email on Acid API v5 request as a tool — 24 tools across authentication, email client lists, email rendering testing, and spam testing.
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Programmatic email deliverability testing for AI agents. Create inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex — get per-provider placement (Inbox/Spam/Promotions), SPF/DKIM/DMARC auth, Rspamd & SpamAssassin verdicts, DNS health (MX, PTR, DNSBL), and live SSE results.
    5
    34 npm
    2
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables AI agents to debug code inside VS Code by setting breakpoints, stepping through execution, inspecting variables, and evaluating expressions across multiple languages.
    523
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    A production-oriented reliability, benchmarking, and evaluation system that layers multi-version protocol negotiation, adaptive streaming, connection pooling, and resilience onto an MCP agent runtime.
    3
    Apache 2.0
  • A
    license
    A
    quality
    A
    maintenance
    Diffgate MCP server acts as a code review engine, enabling AI coding agents to analyze and validate code diffs before application. It enhances AI workflows by providing self-checking capabilities to optimise and secure code changes.
    7
    66 npm
    5
    Apache 2.0
  • A
    license
    A
    quality
    C
    maintenance
    MCP server for email compatibility analysis. Analyze, preview, diff, and fix HTML emails across 15 email clients — plus capture real screenshots and create shareable links with an optional API key.
    9
    48 npm
    7
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    MCP server that gives an AI agent a throwaway test identity — a real disposable email address and a real UK phone number — so it can sign up for something it's testing and read back the verification email/SMS itself, without a human in the loop.
    5
    223 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI agents to create disposable email inboxes, read messages, and wait for verification codes (OTPs) through MCP tools.
    4
    37 npm
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Exposes the Maester security test framework for Microsoft 365/Entra/Defender as MCP tools, enabling AI agents to run tests, audit AI agents and MCP servers, and investigate security posture.
    9
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Provides temporary email services for AI agents, enabling closed-loop verification of email-based registration flows with multi-provider support, auto-registration, and verification code extraction.
    10
    13 npm
    MIT
  • F
    license
    A
    quality
    D
    maintenance
    Enables AI agents to interact with Android devices through UI manipulation, screen capture, touch gestures, text input, and app management via ADB. Provides comprehensive mobile automation capabilities including element detection, navigation, and application control for Android device testing and interaction.
    9
    4
    -