Google Calendar Skill

Full CRUD Calendar management for AI agents. List, create, update, delete, search events, and manage multiple calendars.

Features

• List: See upcoming events with optional time range and text filtering.
• Get: Fetch a single event by ID with full details.
• Search: Free-text search across events.
• Create: Schedule events with attendees, location, timezone, and all-day support.
• Update: Patch existing events (only provided fields change).
• Delete: Remove events.
• Quick Add: Create events from natural language (e.g. “Lunch with Yoda tomorrow noon”).
• Calendars: List all available calendars.

Prerequisites

1. Google Cloud Project with Google Calendar API enabled.
2. OAuth 2.0 Credentials — either gcloud ADC or credentials.json.

Setup

⚡ Quick Setup (Recommended)

Set up Gmail, Calendar, and Contacts all at once:

uv run ~/.agents/skills/gmail/scripts/setup_workspace.py

Manual Setup

1. Using gcloud ADC:

   gcloud auth application-default login \
     --scopes https://www.googleapis.com/auth/calendar,https://www.googleapis.com/auth/cloud-platform
   

   Then verify:

   uv run skills/google-calendar/scripts/google_calendar.py verify
   

2. Alternative (credentials.json):

   • Place credentials.json in ~/.calendar_credentials/.
   • Run uv run skills/google-calendar/scripts/google_calendar.py setup

Usage

List Upcoming Events

# Next 5 events
uv run skills/google-calendar/scripts/google_calendar.py list --limit 5

# Events this week
uv run skills/google-calendar/scripts/google_calendar.py list \
  --after "2026-02-16T00:00:00Z" \
  --before "2026-02-22T23:59:59Z"

# Events matching text
uv run skills/google-calendar/scripts/google_calendar.py list --query "Council"

Get a Single Event

uv run skills/google-calendar/scripts/google_calendar.py get --id "abc123"

Search Events

uv run skills/google-calendar/scripts/google_calendar.py search --query "Training" --limit 5

Create an Event

# Timed event
uv run skills/google-calendar/scripts/google_calendar.py create \
  --summary "Jedi Council Meeting" \
  --start "2026-05-04T10:00:00" \
  --end "2026-05-04T11:00:00" \
  --description "Discussing the prophecy." \
  --location "Council Chamber, Coruscant" \
  --attendees yoda@dagobah.net mace@jedi.org

# All-day event
uv run skills/google-calendar/scripts/google_calendar.py create \
  --summary "May the 4th Celebration" \
  --start "2026-05-04" \
  --end "2026-05-05" \
  --all-day

Update an Event

Only provided fields change (patch semantics):

uv run skills/google-calendar/scripts/google_calendar.py update \
  --id "abc123" \
  --summary "Updated: Jedi Council Meeting" \
  --start "2026-05-04T14:00:00" \
  --end "2026-05-04T15:00:00"

Delete an Event

uv run skills/google-calendar/scripts/google_calendar.py delete --id "abc123"

Quick Add (Natural Language)

uv run skills/google-calendar/scripts/google_calendar.py quick \
  --text "Lunch with Padmé tomorrow at noon at Dex's Diner"

List All Calendars

uv run skills/google-calendar/scripts/google_calendar.py calendars

JSON Output

Event:

{
  "id": "abc123",
  "summary": "Jedi Council Meeting",
  "description": "Discussing the prophecy.",
  "location": "Council Chamber, Coruscant",
  "start": {
    "dateTime": "2026-05-04T10:00:00-07:00",
    "timeZone": "America/Phoenix"
  },
  "end": {
    "dateTime": "2026-05-04T11:00:00-07:00",
    "timeZone": "America/Phoenix"
  },
  "status": "confirmed",
  "attendees": [
    { "email": "yoda@dagobah.net", "responseStatus": "needsAction" }
  ],
  "htmlLink": "https://calendar.google.com/..."
}