Interact with Google Calendar - list calendars, view events, create/update/delete events, and find free time.
SkillScore71Maintained
Automatic
◆Personal Assistant pack
Last verified 8/23/2026
What it changes
Passed 11 of 15 test cases with the skill, and 2 of 15 without it.
Without skill13%
With skill71%
Checks it passed that the model alone missed
--no-notify
--duration 30
--max-results 5
and 22 more in the full report
15 fixed2 passed either way6 still failing1 broke
Pass-rate lift
+58 pp
Tokens
+20%
Agent turns
0%
Response time
-72%
Model gemini-3.6-flashMeasured 8/23/2026v117 of 24 cases passed with skill · 15 comparable
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 13 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 13
Prompt
Change the title summary of existing event 'evt_12345' to 'Quarterly Planning'.
What was checked, without and with the skill
Checked
Without skill
With skill
python scripts/gcal.py update-event evt_12345
Missed
Passed
--summary "Quarterly Planning"
Missed
Passed
case-17 · gemini-3.6-flash · 8/23/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md147 lines4 filesincludes scripts
Google Calendar
Lightweight Google Calendar integration with standalone OAuth authentication. No MCP server required.
⚠️ Requires Google Workspace account. Personal Gmail accounts are not supported.
First-Time Setup
Authenticate with Google (opens browser):
python scripts/auth.py login
Check authentication status:
python scripts/auth.py status
Logout when needed:
python scripts/auth.py logout
Commands
All operations via scripts/gcal.py. Auto-authenticates on first use if not logged in.
List Calendars
python scripts/gcal.py list-calendars
List Events
# List events from primary calendar (default: next 30 days)
python scripts/gcal.py list-events
# List events with specific time range
python scripts/gcal.py list-events --time-min 2024-01-15T00:00:00Z --time-max 2024-01-31T23:59:59Z