"Understanding OAuth 2.0 Protocol" matching MCP connectors:

Model Context Protocol extension for Hebrew calendar

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

The Cronofy MCP Server allows AI tools to schedule meetings with the Cronofy Scheduler. It is an endpoint that supports the Model Context Protocol for adding Cronofy to your agentic workflows. It is a server that provides tool rather than search capabilities. You can add the Cronofy MCP Server to your environment and list the tools without authorization. However, authorization is required to call any of the tools provided.

Streamable HTTP MCP server for Google Calendar and Sheets with OAuth login.