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

An MCP server that provides OIDC-protected access to QA MGT OpenAPI data, enabling tools for trainees, orders, products, customers, and recruitment operations.

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 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.

A local MCP server that enables managing Google Contacts via the People API through tools for listing, searching, getting, creating, updating, deleting, and counting contacts. It requires an externally stored OAuth token and confirms all write operations.

Gives AI assistants access to Google Contacts, supporting listing, searching, creating, updating, and deleting contacts, as well as searching Google Workspace directories.

A remote MCP server for Google Contacts, deployed on Cloudflare Workers, that enables Claude to create, search, list, get, and update your Google contacts via the People API. Designed as a custom connector for claude.ai, it supports OAuth and can extract contact details from business card photos.

A Model Context Protocol (MCP) server that integrates Google Contacts with Claude, enabling contact management directly from your AI assistant.

An MCP server that provides 40 tools for managing Google Business Profiles, including accounts, locations, verifications, reviews, and performance analytics, enabling AI agents to interact with GBP via REST APIs.

MCP server for Google Contacts - list, search, and manage contacts.

A production-grade MCP server for Zendesk that provides ticket management, search, user/group operations, and knowledge base access with support for local stdio and remote HTTP transports, authentication via API keys or OAuth, and multi-tenancy.

Provides interactive tools to explore AFAS customer data and employee leave information, including bubble charts, leave balance reports, and detailed leave cards.

Enables AI assistants to manage Google Business Profiles by creating posts, replying to reviews, listing locations, and more through natural language commands.

Enables AI agents to manage e-commerce operations (products, carts, clients) through WhatsApp via Chatwoot, using MCP tools for inventory, cart, and customer management.

Wraps PigX system business APIs (CRM, SRM) as MCP tools for WeKnora agents, with per-user OAuth authentication that forwards each user's own token to uphold upstream permissions.

MCP server for Factsheet authentication, providing token exchange and company listing endpoints for MCP integration.

Enables AI assistants to enrich contacts and build audiences via the YourICP API. Provides tools to set an API token, submit contact lookups by email or LinkedIn URL, and poll for enrichment results.

A Model Context Protocol (MCP) server that connects LLMs to the Zendesk Support & Help Center APIs — with per-user OAuth 2.1 PKCE authentication and fine-grained tool visibility controls.

Enables AI assistants to query Bullhorn CRM data using natural language through direct REST API access with OAuth 2.0 authentication.

A locally-hosted MCP server enabling AI agents to securely interact with SmartSuite data, with configurable access modes and audit logging.

Enables Claude Code to manage Strety todos and people via read/write tools with OAuth token auto-refresh.