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m365_delete_event

Delete a Microsoft 365 or Outlook calendar event using its event ID. Removes the specified event from your calendar.

Instructions

Delete a calendar event from your Microsoft 365 / Outlook calendar by its ID.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

There are no annotations, and the description only says 'delete a calendar event', lacking details on destructive consequences, confirmation, or reversibility. The description fails to disclose behavioral traits beyond the obvious deletion.

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

Conciseness3/5

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

The description is a single sentence, which is concise, but it omits critical information about the missing ID parameter, making it structurally incomplete for practical use.

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 tool's simplicity (no output schema, no nested objects), the description should specify how to obtain the event ID or note that ID is expected in an unconventional way, but it does not, leaving the agent without necessary context.

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

Parameters2/5

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

The schema has zero parameters, but the description mentions deletion 'by its ID', implying an ID parameter that does not exist. This mismatch adds confusion instead of clarifying parameter usage.

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

Purpose3/5

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

The description clearly states the action (delete) and resource (calendar event) with a method (by ID), but it contradicts the input schema which has no ID parameter, creating confusion about the tool's actual functionality.

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?

No guidance is provided on when to use this tool versus alternatives like delete_calendar_event, or what prerequisites or context are needed to obtain the event ID.

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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