Scored across 22 tools
Most tools target a distinct resource and action, with clear lifecycle separation like create-event, list-events, and manage-event. The main friction is minor overlap between search-emails and access-shared-mailbox, and between send-email and draft, but descriptions explicitly steer usage.
The dominant pattern is lowercase verb-noun with hyphens, e.g. list-events, update-email, find-meeting-rooms, manage-contact. A few outliers such as folders, draft, attachments, auth, and export break the pattern, but the overall convention remains clear and predictable.
At 22 tools, the surface is on the heavy side and falls into the 16-25 borderline range. The breadth is defensible for a full Outlook server, but the set would be easier for agents to navigate if a few tools were consolidated.
Email, calendar, contacts, and settings workflows are broadly covered: send/read/search/draft/folders/rules/categories on mail, and create/list/manage plus room lookup on calendar. Notable gaps are the explicitly missing accept-invitation action, no dedicated get-event detail tool, and no direct delete for received emails, though moving to Deleted Items via folders works around that last one.