Outlook Calendar MCP Server

The Outlook Calendar MCP server bridges the gap between AI assistants and a user’s local Microsoft Outlook calendar. It enables Claude to query, create, and update events directly on the Windows desktop where Outlook is installed. For developers building AI‑powered productivity tools, this eliminates the need to expose calendar data through external APIs or cloud services; all interactions remain within the secure confines of the user’s machine.

At its core, the server offers a set of intuitive capabilities: users can list events for any date range, inspect individual event details—including attendee status— and modify existing entries. The “Calendar Intelligence” feature is particularly valuable; it automatically scans the user’s schedule to locate free slots and suggest optimal meeting times, mimicking what a human assistant would do. Additionally, the server supports multiple Outlook calendars (personal, work, shared), allowing AI agents to operate across all contexts without additional configuration.

Developers can integrate this MCP into any Claude workflow by adding a single entry to the client’s configuration. Once registered, an assistant can invoke calendar actions as if they were built‑in tools: “Schedule a 30‑minute meeting with Alice next week” or “Show me my calendar for the coming month.” The server’s responses are returned in a structured format, enabling downstream processing or natural‑language summarization. Because the tool runs locally, latency is low and privacy concerns are minimized—no calendar data ever leaves the user’s device.

Real‑world scenarios include virtual office assistants that automatically book recurring team syncs, reminders for upcoming deadlines, or conflict detection when a new event is proposed. In environments where regulatory compliance mandates that sensitive data remain on-premises, this MCP offers a compliant solution without sacrificing the convenience of AI automation. Its reliance on Outlook’s native COM interfaces gives it robust access to all calendar features, while the optional VBScript support ensures compatibility across recent Windows releases.

In summary, the Outlook Calendar MCP server empowers developers to create seamless AI‑driven calendar experiences on Windows. By exposing a rich, privacy‑preserving API for viewing and managing Outlook events, it turns a local application into an intelligent collaborator that can schedule, reschedule, and optimize meetings with the same ease as any cloud‑based calendar service.