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107,445 servers. Updated
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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  • contrastapi

    UPinar
    A
    license
    A
    quality
    A
    maintenance
    Security intelligence API for AI models. CVE lookup with EPSS/KEV, domain recon (DNS, WHOIS, SSL, subdomains, WAF), and code security checks (secrets, injection, headers). 16 tools, no API key required.
    55
    33
    MIT
  • Unipile MCP Server by unipile

    Unipile MCP Serverofficial

    unipile
    A
    license
    Not graded
    quality
    B
    maintenance
    Enables coding agents to discover, write, and test integrations for LinkedIn (Classic, Sales Navigator, Recruiter), WhatsApp, Instagram, Telegram, Gmail/Outlook/IMAP email, and Google/Outlook calendar by reading the live API contract and executing real calls on connected accounts.
    1
    MIT

  • Validator Ai MCP

    CSOAI-ORG
    A
    license
    Not graded
    quality
    B
    maintenance
    An MCP server for validating JSON against schemas, checking email deliverability, verifying URLs, assessing data quality, and validating API responses using RFC-compliant checks and heuristic analysis.
    2 npm
    35 PyPI
    MIT

  • SmartLead MCP Server

    LeadMagic
    A
    license
    Not graded
    quality
    F
    maintenance
    A Model Context Protocol server that provides AI coding assistants (Claude, Cursor, etc.) with access to SmartLead's cold email automation platform through 116+ API endpoints for campaign management, lead tracking, and email delivery.
    3,241 npm
    21
    MIT