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Manage Event

manage_event
Destructive

Create, update, delete, or RSVP to Google Calendar events with support for attendees, reminders, recurrence, and Google Meet.

Instructions

Manages calendar events. Supports creating, updating, deleting, and RSVP.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
user_google_emailYesThe user's Google email address. Required.
actionYesAction to perform - "create", "update", "delete", or "rsvp".
summaryNoEvent title (required for create).
start_timeNoStart time in RFC3339 format (required for create).
end_timeNoEnd time in RFC3339 format (required for create).
event_idNoEvent ID (required for update and delete).
calendar_idNoCalendar ID (default: 'primary').primary
descriptionNoEvent description.
locationNoEvent location.
attendeesNoAttendee email addresses or objects.
timezoneNoTimezone (e.g., "America/New_York").
attachmentsNoList of Google Drive file URLs or IDs to attach.
add_google_meetNoWhether to add/remove Google Meet.
remindersNoCustom reminder objects.
use_default_remindersNoWhether to use default reminders.
transparencyNo"opaque" (busy) or "transparent" (free).
visibilityNo"default", "public", "private", or "confidential".
color_idNoEvent color ID (1-11, update only).
recurrenceNoRFC5545 recurrence rules for a recurring event, e.g. ["RRULE:FREQ=WEEKLY;COUNT=10"].
guests_can_modifyNoWhether attendees can modify.
guests_can_invite_othersNoWhether attendees can invite others.
guests_can_see_other_guestsNoWhether attendees can see other guests.
responseNoRSVP response — "accepted", "declined", "tentative", or "needsAction" (rsvp action only).
rsvp_commentNoOptional message to include with the RSVP response (rsvp action only).
send_updatesNoNotification behavior for create, update, delete, and rsvp — "all" (default), "externalOnly", or "none".

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructiveHint=true and readOnlyHint=false. The description adds no additional behavioral context about irreversibility of delete, notification impacts, or RSVP semantics. It is adequate but not enriched.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence that concisely conveys the tool's purpose. It is front-loaded but could benefit from a slightly more structured breakdown per action.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (25 parameters, multiple actions, destructive behavior), the description is too minimal. It lacks guidance on which parameters are required for each action, and does not explain return values despite the presence of an output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so each parameter is described in the schema. The tool description does not add meaning beyond what's already in the parameter descriptions, so a baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states that the tool manages calendar events and enumerates the supported actions (creating, updating, deleting, RSVP). However, it does not differentiate itself from sibling tools like get_events (read-only) or manage_focus_time.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives. It does not specify context, prerequisites, or exclusions for each action.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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