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"Improving the Intelligence of Large Language Models" matching MCP servers:

  • F
    license
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    quality
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    An MCP server that provides email verification, bulk list cleaning, and signup risk assessment tools. It exposes three typed tools for agents: verify_email, clean_email_list, and assess_signup_risk, with real DNS MX checks and disposable domain detection.
  • F
    license
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    quality
    A
    maintenance
    An enterprise-grade MCP server that provides production-ready IMAP email integration with advanced reliability features, comprehensive monitoring, and secure account management.
  • A
    license
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    quality
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    maintenance
    Enables safe auditing and cleanup of large Yahoo Mail backlogs by scanning headers, grouping by account and sender domain, and allowing review-then-execute actions (archive, delete, unsubscribe) without downloading message bodies.
    18
    MIT
  • A
    license
    B
    quality
    F
    maintenance
    Connects AI assistants to the Kit.com (formerly ConvertKit) email marketing platform, enabling management of subscribers, tags, sequences, broadcasts, and more through natural language.
    29
    50
    4
    MIT
  • F
    license
    B
    quality
    D
    maintenance
    Enables management of email campaigns, subscribers, lists, segments, journeys, templates, transactional email, and client/account settings through the Campaign Monitor API via natural language.
    100
  • A
    license
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    quality
    D
    maintenance
    Provides a standardized interface for interacting with Mailchimp's tools and services through the Model Context Protocol, enabling easy management of Mailchimp campaigns, audiences, and reports via natural language commands.
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Email-deliverability tools for AI agents — 12 MCP tools across email verification, DNSBL across 50 zones, SPF/DKIM/DMARC analysis, spam-trap scoring, domain intelligence, and email finder. Free tier with no credit card.
    12
    63
    1
    MIT
  • A
    license
    A
    quality
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    maintenance
    Enables AI assistants to interact with Fastmail services, providing tools for comprehensive email management, contact searching, and calendar event coordination via the JMAP API. It supports advanced features like threaded conversations, attachment handling, and bulk mailbox operations through natural language.
    28
    MIT
  • A
    license
    A
    quality
    F
    maintenance
    An MCP server for the Resend email API, enabling AI assistants to send emails, manage contacts, audiences, and domains through natural language.
    18
    26
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    The most complete Resend MCP server — full coverage of the Resend API (emails, domains, contacts, broadcasts, templates, segments, topics, webhooks, logs) plus a unique debug/diagnostics layer no other Resend MCP offers: deliverability analysis, DNS troubleshooting, email lifecycle inspection, bounce explanation, and account auditing. Works with Claude Code, Cursor, Claude Desktop, and any other
    75
    34
    1
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    MCP server for Proofpoint Email Protection - email security, threat intelligence, TAP (Targeted Attack Protection), and email filtering API integration
    40
    1
    Apache 2.0
  • A
    license
    A
    quality
    D
    maintenance
    Manages temporary email addresses via the ChatTempMail API, supporting creation, listing, and deletion of emails and messages, as well as webhook configuration.
    9
    57
    10
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI agents to interact with email accounts via the Himalaya CLI, supporting features like message reading, folder management, and controlled email sending. It prioritizes security with graduated permission modes and the exclusion of destructive operations like permanent deletion.
    10
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    An MCP server that gives Claude Code and Codex full control of a personal Outlook.com mailbox and calendar via the Microsoft Graph API, enabling mail, draft, folder, and calendar operations through natural language.
    31
    1
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    An MCP server for Microsoft Graph email that uses $filter instead of $search, allowing filtered email searches with sorting. It reuses the existing email-mcp authentication and provides tools for searching, listing folders, and retrieving email content.
    6
    MIT
  • A
    license
    B
    quality
    B
    maintenance
    Enables interaction with Microsoft Outlook services (Tasks, Calendar, Email, Contacts, and Teams) via the Microsoft Graph API, providing 39 tools for Claude Desktop with natural language and JSON output.
    39
    MIT
  • A
    license
    B
    quality
    C
    maintenance
    Enables management of ForwardEmail domains, aliases, emails, sieve filters, contacts, calendars, and more via natural language, using 71 MCP tools.
    71
    MIT