Let Claude Cowork open Finder, Calendar, Notes, and draft Mail on your Mac
At a glance
ZDNET's hands-on had Claude Cowork on Mac find five recent Documents files, summarize a month of Calendar, create a Notes to-do, and draft a Mail message summarizing a document—self-correcting a To/subject mixup—while asking per-app permission each session. This workflow is listed under Claude, Computer-Use, macOS, Calendar, Email, Files.
Claude Code's macOS computer-use preview can write Swift, compile/launch a menu-bar app, click through controls, and screenshot results in the same session—plus drive GUI-only tools and iOS Simulator when MCP/bash/browser tools aren't enough.
CalendarMCP’s travel guide shows pasting flights, hotel, and meetings into Claude so it creates color-coded calendar events with confirmations, check-in reminders, and bulk updates when plans change.
Anthropic’s Building Effective Agents appendix highlights two proven patterns—support agents that pull data and take actions like refunds, and coding agents that iterate against tests—with clear success metrics and human review.
A lawyer used Claude’s Word add-in on a 30-page document—it rewrote sections and replied to comments as real tracked changes, judged better than Microsoft’s offering.