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Get Started Free →Microsoft 365 / Outlook CLI for calendar and email. Use when managing Outlook calendar (view, create, update, delete events, find meeting times, respond to invitations), sending/reading emails, or searching for people/rooms in the organization.
.claude/skills/sundial-org-clippy/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-04 | ✗→✓ | ▲ Improved | -5% | 0% |
| case-01 | ✗→✓ | ▲ Improved | -30% | 0% |
| case-02 | ✗→✓ | ▲ Improved | -31% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -4% | 0% |
| case-05 | ✗→✓ | ▲ Improved | -2% | 0% |
Source: https://github.com/foeken/clippy
Works through the M365 web UI via browser automation (Playwright), not the Graph API. No Azure AD app registration required - just login with your browser.
bashgit clone https://github.com/foeken/clippy.git cd clippy && bun install bun run src/cli.ts --help
Or link globally: bun link
bash# Interactive login (opens browser, establishes session) clippy login --interactive # Check auth status clippy whoami
Keep a browser session alive to prevent token expiry:
bash# Start keepalive (keeps browser open, refreshes every 10min) clippy keepalive --interval 10
For persistent operation, set up as a launchd service (macOS) or systemd (Linux).
Health monitoring: Keepalive writes to ~/.config/clippy/keepalive-health.txt on each successful refresh. Check if this file is stale (>15min) to detect failures.
bash# Today's events clippy calendar # Specific day clippy calendar --day tomorrow clippy calendar --day monday clippy calendar --day 2024-02-15 # Week view clippy calendar --week # With details (description, attendees) clippy calendar --details
bashclippy create-event "Title" 09:00 10:00 # Full options clippy create-event "Meeting" 14:00 15:00 \ --day tomorrow \ --description "Meeting notes" \ --attendees "alice@company.com,bob@company.com" \ --teams \ --find-room # Recurring clippy create-event "Standup" 09:00 09:15 --repeat daily clippy create-event "Sync" 14:00 15:00 --repeat weekly --days mon,wed,fri
bashclippy update-event 1 --title "New Title" clippy update-event 1 --start 10:00 --end 11:00 clippy delete-event 1 clippy delete-event 1 --message "Need to reschedule"
bashclippy respond # List pending clippy respond accept --id <eventId> clippy respond decline --id <eventId> --message "Conflict" clippy respond tentative --id <eventId>
bashclippy findtime clippy findtime --attendees "alice@company.com,bob@company.com" clippy findtime --duration 60 --days 5
bash# Inbox clippy mail clippy mail --unread clippy mail -n 20 clippy mail --search "invoice" # Other folders clippy mail sent clippy mail drafts clippy mail archive # Read email clippy mail -r <number> # Download attachments clippy mail -d <number> -o ~/Downloads
bashclippy send \ --to "recipient@example.com" \ --subject "Subject" \ --body "Message body" # With CC, attachments, markdown clippy send \ --to "alice@example.com" \ --cc "manager@example.com" \ --subject "Report" \ --body "**See attached**" \ --markdown \ --attach "report.pdf"
bashclippy mail --reply <number> --message "Thanks!" clippy mail --reply-all <number> --message "Got it" clippy mail --forward <number> --to-addr "colleague@example.com"
bashclippy mail --mark-read <number> clippy mail --flag <number> clippy mail --move <number> --to archive
bashclippy find "john" # People clippy find "conference" --rooms # Rooms
bashclippy calendar --json clippy mail --json
Profile directory can be overridden:
bashexport CLIPPY_PROFILE_DIR=~/.config/clippy/my-profile
Other measured skills in the registry, with their headline benchmark lift.