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90,512 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, September 2026Ranked from 1,676 matching servers on stars, growth, downloads and maintenance. Updated .

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  • A
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    Not graded
    quality
    B
    maintenance
    Enables AI agents to search and read a local, provider-independent email archive, reconstruct contacts and interactions, and prepare draft responses without sending anything.
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables ChatGPT and Codex to interact with Zoho Mail through Zoho's official MCP service, with safe workflows and capability boundaries.
    MIT
  • A
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    Not graded
    quality
    B
    maintenance
    A collection of small MCP servers for macOS automation that expose Apple Mail, MoneyMoney, and Spotlight functionality as tools via AppleScript and command-line, enabling AI applications to search mail, manage contacts and transactions, and perform system-wide file searches through natural language.
    MIT
  • F
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    quality
    C
    maintenance
    Enables local employee onboarding, leave tracking, meeting coordination, and workplace requests through any MCP-compatible client, with optional SMTP notifications.
    2
    -
  • A
    license
    A
    quality
    A
    maintenance
    Enables pushing enriched leads into Instantly or Smartlead campaigns with ICP score gating, deduplication, and dry-run previews via an Apify actor.
    1
    83 npm
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server that encapsulates Apple Mail on macOS via AppleScript, enabling invoice PDF search, attachment saving, and message flagging through natural language.
    5
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Sends document files (EPUB, PDF, DOCX, etc.) to your Kindle via email using Amazon's Send to Kindle feature.
    1
    2 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    One-pass agentic inbox triage as an MCP server: fetch unread Gmail → classify (action_needed/fyi/newsletter/noise) → summarize → extract tasks → draft replies as Gmail DRAFTS (never sends) → flag calendar → write a triage report. Four stdio tools (fetch_emails, save_gmail_draft, append_tasks, write_report); the host is the LLM, so it runs keyless in Claude Code. Gmail scopes: readonly + compose
    4
    2
    MIT
  • A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to manage multiple Outlook/Microsoft 365 mailboxes simultaneously through MCP tools, with local OAuth token storage.
    1
    MIT
  • F
    license
    A
    quality
    A
    maintenance
    An MCP server that sends plain-text Gmail messages only to a predefined allowlist, using generated recipient IDs instead of email addresses to enforce security.
    2
    1
    -
  • A
    license
    C
    quality
    A
    maintenance
    Agent email with recipient allowlist and consent before send. For personal and small-team OpenClaw/Hermes operators. Free to try; Starter $9.99 in-app. Not for cold-outbound fleets. Not an official OpenClaw endorsement.
    22
    260 npm
    MIT
  • F
    license
    Not graded
    quality
    B
    maintenance
    MCP server that exposes Gmail and SAP tools, enabling natural-language email management and SAP data browsing through a Mistral-powered AI assistant.
    -
  • F
    license
    Not graded
    quality
    C
    maintenance
    Exposes a toolbox of math operations, Google web search, Gmail-sent email, and timezone-aware time lookups so an AI agent can discover each tool's schema at runtime and call the right one to answer a question. Tools degrade gracefully with clear errors when an optional API key is missing.
    -
  • A
    license
    A
    quality
    B
    maintenance
    Enables sending documents (Markdown, PDF, EPUB) directly to a Kindle via Amazon Send-to-Kindle email, with Markdown converted to EPUB using pandoc.
    1
    MIT