zeenie-ai Outlook Calendar Skill
Manage Outlook Calendar events - create, list, update, and delete - using the Microsoft Graph API (Outlook / Microsoft 365).
Tool: ms_calendar
Consolidated Outlook Calendar tool with an operation parameter.
Operations
| Operation | Description | Required Fields |
|---|---|---|
create |
Create a new event | title, start_time, end_time |
list |
List events in a date range | (none, defaults to the next 7 days) |
update |
Update an existing event | event_id |
delete |
Delete an event | event_id |
create - Create a new event
| Field | Type | Required | Description |
|---|---|---|---|
| operation | string | Yes | Must be "create" |
| title | string | Yes | Event title/subject |
| start_time | string | Yes | Start time in ISO 8601 format |
| end_time | string | Yes | End time in ISO 8601 format |
| body | string | No | Event description/notes |
| location | string | No | Event location |
| attendees | string | No | Comma-separated email addresses |
| timezone | string | No | IANA/Windows time zone (default: UTC) |
Example - Simple event:
{
"operation": "create",
"title": "Team Meeting",
"start_time": "2026-08-10T14:00:00",
"end_time": "2026-08-10T15:00:00",
"body": "Weekly team sync"
}
Example - Event with attendees and location:
{
"operation": "create",
"title": "Project Review",
"start_time": "2026-08-10T10:00:00",
"end_time": "2026-08-10T11:30:00",
"location": "Conference Room A",
"attendees": "alice@contoso.com, bob@contoso.com",
"timezone": "Eastern Standard Time"
}
list - List events in a date range
| Field | Type | Required | Description |
|---|---|---|---|
| operation | string | Yes | Must be "list" |
| start_date | string | No | Start of window. ISO 8601, or today / today+Nd (default: today) |
| end_date | string | No | End of window. ISO 8601, or today+Nd (default: 7 days ahead) |
| max_results | integer | No | Maximum results (default: 10, max: 250) |
Example:
{
"operation": "list",
"start_date": "today",
"end_date": "today+7d",
"max_results": 20
}
update - Update an existing event
| Field | Type | Required | Description |
|---|---|---|---|
| operation | string | Yes | Must be "update" |
| event_id | string | Yes | Event ID to update (from create / list) |
| update_title | string | No | New title |
| update_start_time | string | No | New start time (ISO 8601) |
| update_end_time | string | No | New end time (ISO 8601) |
| update_body | string | No | New description/notes |
| update_location | string | No | New location |
| timezone | string | No | Time zone applied to new start/end (default: UTC) |
At least one update_* field must be provided.
Example:
{
"operation": "update",
"event_id": "AAMkAGI2...",
"update_title": "Updated Team Meeting",
"update_start_time": "2026-08-10T15:00:00",
"update_end_time": "2026-08-10T16:00:00"
}
delete - Delete an event
| Field | Type | Required | Description |
|---|---|---|---|
| operation | string | Yes | Must be "delete" |
| event_id | string | Yes | Event ID to delete |
Example:
{
"operation": "delete",
"event_id": "AAMkAGI2..."
}
Date/Time Formats
- ISO 8601:
2026-08-10T14:00:00(interpreted in the giventimezone) - Shortcuts (list only):
today,today+7d - Times returned by
listare the raw GraphdateTimevalues.
Common Workflows
- Schedule a meeting:
createwith attendees; they receive invites. - Check availability:
listfor a date range. - Reschedule:
updatewith newupdate_start_time/update_end_time. - Cancel meeting:
deletethe event byevent_id.
Setup Requirements
- Connect the Outlook Calendar node to an AI Agent's
input-toolshandle. - Authenticate with Microsoft Graph in the Credentials Modal (Work/School account).
- Ensure the Calendars.ReadWrite scope is granted.