Inday offers an MCP server that integrates public holiday data into AI assistants like Claude and Cursor, enabling them to answer questions about holidays across more than 30 countries. It provides a suite of tools for checking specific holiday dates, generating full-year holiday calendars, listing supported countries, identifying upcoming holidays, and calculating working days between dates. With straightforward setup and various pricing plans, including a free tier, Inday enhances AI capabilities for scheduling and planning by providing instant access to comprehensive holiday information.