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20 Best Email MCP Servers: compared and ranked, September 2026Ranked from 2,148 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
    license
    A
    quality
    B
    maintenance
    Enables real-time email verification via MCP tools, checking syntax, MX, disposable domains, and optional SMTP probe to determine deliverability with a VALID/RISKY/INVALID verdict.
    2
    31
    MIT
  • F
    license
    B
    quality
    D
    maintenance
    A template MCP server that provides a basic structure and configuration for building Model Context Protocol servers. Includes Docker support, environment configuration, and examples for both STDIO and SSE transport modes.
    1
  • A
    license
    B
    quality
    D
    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
    577
    73
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Headless email connector that lets AI agents read, search, draft, and send emails across multiple providers (Proton, IMAP/SMTP, Gmail) via REST and MCP tools, with scoped permissions and encrypted credential storage.
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    MCP server for reading, searching, sending, and managing emails via IMAP/SMTP, with tools like list_emails, read_email, search_emails, send_email, get_attachment, get_account_info, and mark_email_read.
    48
    ISC
  • A
    license
    Not graded
    quality
    C
    maintenance
    A local MCP server for Gmail with strict alias whitelisting, allowing AI clients to search, read, reply to, and send emails only from explicitly whitelisted alias addresses while keeping all other mailbox content unreachable.
    48
    ISC
  • F
    license
    Not graded
    quality
    C
    maintenance
    A lightweight Docker-based email sending microservice that provides both REST API and MCP (Model Context Protocol) tools for sending emails, enabling AI agents to send email notifications.
  • A
    license
    A
    quality
    C
    maintenance
    Converts AI Skills (following Claude Skills format) into MCP server resources, enabling LLM applications to discover, access, and utilize self-contained skill directories through the Model Context Protocol. Provides tools to list available skills, retrieve skill details and content, and read supporting files with security protections.
    3
    27
    Apache 2.0
  • A
    license
    A
    quality
    C
    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
    61
    1
    MIT
  • A
    license
    B
    quality
    D
    maintenance
    An MCP server that enables LLMs to compose and send emails with attachments, and search for files in directories by pattern.
    2
    4
    MIT
  • F
    license
    B
    quality
    D
    maintenance
    A Model Context Protocol server built with FastMCP that enables dynamic tool loading and configuration from individual Python files. It provides a flexible framework for automatically discovering, testing, and running tools via Stdio or HTTP transport modes.
    1
  • A
    license
    B
    quality
    D
    maintenance
    Enables users to connect to their email inbox via IMAP to search, filter, and summarize emails based on criteria like subject, date, and sender. Supports marking emails as read and provides customizable email summarization with various prompt options.
    2
    97
    ISC
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables LLMs to query documents using semantic search, supporting PDFs, Word, Excel, and more. Organizes documents by topics from folder structure and provides advanced search features like phrase matching and date filtering.
    1
    MIT
  • A
    license
    Not graded
    quality
    Not graded
    maintenance
    Enables AI agents to interact with Gmail for classifying messages, extracting action items, and performing batch inbox triage. It supports automated labeling, smart replies, and task creation for external platforms like Linear, Jira, and Todoist.
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI assistants to connect to any email provider via IMAP/SMTP, supporting account management and email operations like listing, sending, and marking emails.
    MIT
  • A
    license
    Not graded
    quality
    D
    maintenance
    Auto-generates MCP tools from your OpenAPI spec, allowing natural language interaction with any API via configurable headers and serverless deployment.
    103
    MIT