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86,452 servers. Updated
20 Best GitHub MCP Servers: compared and ranked, September 2026Ranked from 1,553 matching servers on stars, growth, downloads and maintenance. Updated .

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  • F
    license
    Not graded
    quality
    C
    maintenance
    An OAuth-secured remote MCP server (22 tools) that lets Claude, ChatGPT, and Codex search All-In Summit attendee profiles, explore the live agenda, check sessions and meetings, detect scheduling conflicts, and export a calendar. Account-changing actions are only prepared for review, with the user confirming each request in the browser before any event API call is made.
    -
  • A
    license
    A
    quality
    B
    maintenance
    MCP server for Apple Calendar and CalDAV providers. Enables listing, creating, updating, deleting events, and checking free/busy status with per-calendar write protection.
    6
    MIT
  • 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
    -
  • F
    license
    A
    quality
    D
    maintenance
    An MCP App that renders an interactive dashboard in Claude conversations to unify calendar events, emails, and documents into a single interface. It enables users to manage their daily schedule and perform actions like meeting preparation through bidirectional communication between the UI and the model.
    2
    -
  • A
    license
    A
    quality
    C
    maintenance
    Enables interaction with Calendly to manage event types, scheduled events, and invitees. It provides tools for checking user availability and canceling appointments directly through the Calendly API.
    7
    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
    A
    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
  • F
    license
    Not graded
    quality
    D
    maintenance
    Provides AI agents with personalized timing intelligence by scoring decisions (0-100) against a user's energy profile and the Five Elements framework, enabling optimal scheduling for actions like trip planning, product launches, and meetings.
    1
    -
  • 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
    D
    maintenance
    An unofficial MCP server that enables adding content to daily notes, creating notes, saving links, and scheduling reminders in Reflect from Claude Desktop.
    11 npm
    1
    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.
    0
    MIT