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97,393 servers. Updated
19 Best Email MCP Servers: compared and ranked, October 2026Ranked from 2,721 matching servers on stars, growth, downloads and maintenance. Updated .

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  • -
    license
    Not graded
    quality
    Not graded
    maintenance
    Enables sending emails through AWS Simple Email Service with support for single emails, bulk personalized emails, and template management. Deployed on Cloudflare Workers for fast, global edge performance with full TypeScript type safety.
    -
  • A
    license
    A
    quality
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    maintenance
    Provides versioned, structured memory for AI agents, allowing them to store facts, detect conflicts, and track knowledge history via a hosted SaaS platform. It enables efficient hierarchical information retrieval and semantic search while keeping token usage constant as memory scales.
    7
    21 npm
    8
    Apache 2.0
  • A
    license
    A
    quality
    A
    maintenance
    Read-only MCP access to the p-e relay store: an append-only corpus of provenance-bearing coordination records, with tools to fetch a record by id, list records and replies, and check existence. This image serves a snapshot frozen at build time; append_relay is listed but refused, and deposits to the live store require an HMAC-signed request.
    12
    6
    MIT
  • A
    license
    A
    quality
    D
    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
    9 npm
    MIT
  • A
    license
    A
    quality
    D
    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
  • F
    license
    A
    quality
    B
    maintenance
    Enables AI to execute registered system commands across platforms using a stable program + args interface, without requiring shell-specific syntax or tool discovery.
    2
    1
    -
  • A
    license
    A
    quality
    A
    maintenance
    Enables AI assistants to search, read, draft, and send Gmail messages, as well as manage labels and trash using natural language.
    24
    69 npm
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Unofficial MCP server for Proton Mail (not affiliated with Proton AG) — send, read, search & organize email over SMTP/IMAP
    31
    112 npm
    6
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.
    28
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables Claude to interact with System Task projects, teams, and tasks, providing daily briefs, project reports, team load, and risk identification, as well as creating and updating tasks and demands.
    15
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.
    49
    1,393 npm
    123
    LGPL 3.0
  • A
    license
    A
    quality
    D
    maintenance
    An MCP server providing comprehensive email capabilities via IMAP and SMTP, enabling AI assistants to read, search, send, manage, schedule, and analyze emails across multiple accounts.
    49
    1,393 npm
    LGPL 3.0
  • A
    license
    A
    quality
    A
    maintenance
    A smart documentation system that helps AI assistants understand and follow your project's conventions by automatically discovering, routing, and managing AI_README.md guide files.
    6
    83 npm
    3
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Read and write email through the Atomic Mail from an AI agent. Handles proof-of-work authentication and JMAP so the agent thinks in JMAP method calls. Use when the user asks to register an email inbox, list mailboxes, fetch or send email.
    3
    266
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Connects multiple Gmail accounts to Claude Desktop via MCP, enabling email search, labeling, drafts, and confirmed sending through natural language.
    13
    174 npm
    MIT