"Multi-user Google Calendar and Sheets MCP server with OAuth token authentication" matching MCP servers:

A read-only MCP server that connects to Google Sheets and lets you query them in plain English, without needing a Google Cloud project.

Enables AI agents to interact with Slack using a user token, providing full access to message search, channel history, DMs, and posting as the user.

Enables access to Google Calendar events from a public ICS feed, allowing users to list and search calendar events within specific date ranges with automatic handling of recurring events.

Enables querying Connpass user profiles, group memberships, and event participation history via natural language.

MCP server for the SheetsFinance formula catalog, enabling search and construction of financial formulas for Google Sheets.

Provides functionality to search YouTube videos and automatically save the results to Google Sheets.

Provides read-only access to Google Sheets data through OAuth 2.0 authentication, enabling users to retrieve spreadsheet metadata, list tabs, and read cell data using natural language queries.

This MCP server enables AI assistants to automatically sync Google Sheets data to a local database and perform natural language queries and analysis on spreadsheet data.

Provides unified web search across multiple providers (Google, Tavily, DuckDuckGo, Brave) with automatic fallback, maximizing free API quota usage for AI workflows.

Enables AI assistants to interact with MyAnimeList user accounts for list management, progress tracking, and personalized anime recommendations.

Serves a folder of markdown as a remote MCP server over a single HTTPS URL, supporting OAuth 2.1 discovery and optional write-to-inbox.

An MCP server that connects to Telegram as your real user account and exposes read-only tools to read and search messages, list chats and folders, inspect group info, and download media.

Enables users to interact with PostgreSQL databases through natural language, with GitHub OAuth authentication and role-based access control.

Enables AI agents to search and access public calendar data, supporting iCal, CalDAV, and Google Calendar sources with event search, details, and availability checks.

A local MCP server that enables LLMs to securely search and read files within designated Google Drive folders. Supports Google Docs, Google Sheets, PDFs, and plain text with strict folder-scoping via service account authentication.

Enables connecting and searching multiple Gmail or Google Workspace accounts via friendly aliases, with read-only access and source mailbox attribution for each result.

Enables Claude Desktop to connect to multiple HubSpot portals simultaneously with read-only access, allowing users to query, search, and retrieve CRM data from any named portal, including searching every portal at once.

Enables AI clients to perform autonomous multi-agent deep research through MCP tools, including deep research, quick search, and retrieval of archived Markdown reports with live web search and source citations.

A local MCP server for Google Analytics 4 that provides tools for SEO and paid reporting, enabling queries on organic and paid search performance, landing pages, channels, campaigns, and real-time data.

Enables fetching and extracting web content as markdown using Firecrawl API, with support for single or multiple concurrent URL fetches and web search capabilities.