# Kalender Sync (app) > This is the application origin. Product information for AI agents lives on the website. - Overview: https://kalender-sync.de/llms.txt - Agent guide (MCP setup, OAuth vs. access key, tools): https://kalender-sync.de/en/agents.md - MCP endpoint: https://app.kalender-sync.de/mcp (streamable HTTP) - Server card: https://app.kalender-sync.de/.well-known/mcp/server-card.json - Documentation: https://docs.kalender-sync.de/en/ki-assistent/