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97,619 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, October 2026Ranked from 1,788 matching servers on stars, growth, downloads and maintenance. Updated .

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GET /v1/servers – MCP directory API reference
  • A
    license
    A
    quality
    A
    maintenance
    Your real mailbox and calendar for your AI agent — Microsoft 365 via Graph or any IMAP — as 24 tools: read, search, attachments as text, sender history, drafting from identity and knowledge files, free-slot computation. Send, reply, delete and calendar writes need out-of-band human approval: the agent cannot approve its own actions.
    29
    211 PyPI
    10
    AGPL 3.0
  • F
    license
    A
    quality
    C
    maintenance
    Enables GitHub Copilot to read and search multiple Google accounts, create unsent Gmail drafts, and manage Google Calendar events with explicit account selection and authenticator-backed approvals for risky writes.
    18
    -
  • A
    license
    A
    quality
    B
    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
    A
    quality
    C
    maintenance
    Enables AI agents to create private GitHub issues for decisions, send email alerts, wait for human comments, and parse replies so work can resume. Supports guided setup and MCP integration without requiring separate AI API keys or an always-on cloud server.
    9
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    Enables Claude to manage Gmail, Google Calendar, and Google Contacts through a safety-first interface with soft-delete protections and draft-only email capabilities. Supports multiple Google accounts with comprehensive mutation logging and mandatory manual confirmation for destructive actions.
    16
    MIT
  • A
    license
    A
    quality
    C
    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
    59 PyPI
    2
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    An MCP server that provides an email operating system for AI agents, enabling inbox triage and reply drafting while enforcing un-bypassable safety constraints on sensitive actions like money transfers and banking changes.
    12
    68 npm
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Enables MCP clients to read Instantly.ai analytics and manage leads, campaigns, Unibox, sender accounts, blocklist, and webhooks, with write actions gated behind confirm prompts and configurable safety policies.
    40
    87 PyPI
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    Enables AI agents to read and manage Microsoft 365/Outlook email and calendar, with destructive actions (send email, create event) requiring human approval.
    8
    MIT
  • A
    license
    B
    quality
    A
    maintenance
    A local-first open-source MCP server that acts as a personal secretary, memory manager, and automation hub—it syncs Calendar, Gmail, Canvas, GitHub, and Health into a typed temporal memory graph, and enables approval-gated write actions like creating events, drafting/sending mail, and filing issues, all with telegram/slack/CLI interfaces and a SQLite-backed audit trail.
    33
    Apache 2.0
  • A
    license
    C
    quality
    B
    maintenance
    A local-first Python MCP server that turns Gmail, Outlook/Microsoft 365, iCloud Mail, and generic IMAP/SMTP mailboxes into a synchronized, searchable OKF knowledge layer, exposing 38 tools and four resources for mailbox actions, synchronization, retrieval, attachments, and optional semantic search while keeping the provider mailbox authoritative.
    38
    1
    MIT
  • A
    license
    C
    quality
    A
    maintenance
    Enables AI agents to read and manage publications, newsletters, subscriptions, automations, analytics, polls, referral programs, tiers, podcast feeds, and webhooks through 117 tools with guarded write actions. It supports private account credentials and includes a companion CLI and desktop extension.
    117
    285 npm
    AGPL 3.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables MCP clients to access Toolhouse's extensive library of tools, allowing AI assistants to perform actions like web scraping, memory management, and email sending through natural language commands.
    5
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables MCP clients to query Abnormal Security for threats, message search, remediation history, ATO cases, vendor/BEC data, and opt-in evidence download and response actions.
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI clients to interact with Google services (Gmail, Calendar, Drive, Tasks, YouTube, Contacts) via OAuth-authenticated Cloudflare Workers, allowing actions like sending emails, managing events, and searching files.
    14
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Exposes Gmail inbox actions (list, archive, label) as MCP tools via a browser extension and local bridge, without requiring the Gmail API or OAuth.
    2,321 npm
    MIT
  • A
    license
    Not graded
    quality
    A
    maintenance
    Enables an AI assistant to access and manage mail, calendar, contacts, files, sharing, and Sieve through a local Stalwart JMAP server, with configurable write policies that require confirmation for irreversible actions.
    21 npm
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables Claude to safely interact with an on-premises Microsoft Exchange mailbox via EWS for email operations like list, read, reply, forward, move, delete (soft), and mark read/unread, with enforced two-step confirmation on destructive actions.
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables AI agents to search, read, organize, draft, send, and schedule email through a scoped token, with actions journaled and reversible. It also supports proposal queues, approval workflows, and undo operations for safe mailbox automation.
    2 npm
    4
    Apache 2.0