"OAuth authentication and authorization protocol information" matching MCP servers:

Enables comprehensive Google Meet and Calendar management through Google Calendar API v3 and Google Meet API v2, supporting calendar event creation with Meet links, space management, transcription, recording, attendance tracking, and meeting moderation controls.

Enables MCP clients to authenticate with Google OAuth and securely access Google Calendar's official MCP server without exposing the Google client secret.

Lets Claude read and manage your iCloud Reminders and Calendar through a custom MCP connector, enabling natural language queries and actions.

MCP server demonstrating elicitation for booking appointments and an interactive MCP App for viewing appointments with SQLite persistence.

Enables interaction with Microsoft Outlook for managing emails and calendars through OAuth2 delegated access. It provides a stateless, spec-compliant server that allows users to authenticate and perform mail and calendar operations with their own Microsoft accounts.

Provides Japanese national holidays, wareki (era) conversion, and date information. Works fully offline with no API keys required.

Create scheduling polls (like Doodle) from AI agents. Find the best time for meetings, dinners, and events. 5 tools: create_poll, get_poll, vote_on_poll, get_results, finalize_poll. No authentication required.

Unofficial MCP server for accessing and managing TimeTree calendar data, supporting events, memos, and comments via email/password authentication.

Enables AI agents to interact with Microsoft Teams through Microsoft Graph API, using delegated device-code authentication to act on behalf of the user.

Enables AI agents to search restaurants, check availability, and book reservations on OpenTable, including managing booking history and handling multi-factor authentication.

Enables reading and filling when2meet scheduling polls over HTTP, including computing availability from weekly schedules or calendar busy times, previewing, and submitting availability, all without browser automation or OAuth.

Enables reading available appointment slots from public OnlineAfspraken widget URLs without an account. It provides availability information only, not booking.

Unofficial MCP server for accessing and managing TimeTree calendar data, including events, memos, and comments, with secure email/password authentication.

An MCP server that provides access to the Google Calendar API, allowing AI assistants to list and retrieve calendar items via OAuth 2.0 tokens.

A read-only MCP server that exposes a published iCalendar feed as calendar-query tools, enabling users to list events, view today/upcoming schedules, search events, and inspect feed info without OAuth or admin consent. Recurring events are expanded into individual occurrences on query.

Enables managing multiple Gmail accounts through a single MCP server, with independent OAuth per account, supporting email read, search, labeling, drafting and sending, as well as calendar and iCal feed operations.

A sample MCP server built with FastMCP that demonstrates basic tools and a Google OAuth integration for accessing Google APIs like Calendar.

Lets MCP clients read and search mail, manage calendars and events, and check availability for personal Microsoft accounts, with per-account delegated authentication and human approval for sensitive writes.

unofficial MCP (Model Context Protocol) server for Reclaim.ai calendar integration - manage tasks, habits, and smart scheduling through AI assistants like Claude.

Production-grade MCP server for Microsoft 365, providing tools to manage Email, Calendar, Contacts, OneDrive, Teams, Tasks, and Users via delegated OAuth.