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create-outlook-category

create-outlook-category
Destructive

Creates a new Outlook category with a unique name and color. Use to organize emails and events by custom labels.

Instructions

Create an outlookCategory object in the user's master list of categories.

šŸ’” TIP: Creates a new Outlook category. Body: { displayName (unique), color (one of: none, preset0 … preset24 — maps to red, orange, yellow, green, teal, olive, blue, purple, cranberry, steel, dark-steel, gray, dark-gray, black, dark-red, dark-orange, dark-yellow, dark-green, dark-teal, dark-olive, dark-blue, dark-purple, dark-cranberry) }. Category names are case-sensitive when applied to messages/events.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYes
confirmNoFor destructive operations when the confirm gate is enabled (MS365_MCP_REQUIRE_CONFIRM=true; off by default). Set to true only after the user has explicitly approved this action. When the gate is on, calls without confirm: true return { error: "confirmation_required" } without touching user data.
includeHeadersNoInclude response headers (including ETag) in the response metadata
excludeResponseNoExclude the full response body and only return success or failure indication
Behavior4/5

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

The description adds context about color mapping and case sensitivity beyond annotations (readOnlyHint: false, destructiveHint: true, openWorldHint: true). However, the destructiveHint annotation seems inconsistent with creation, but the description does not contradict it directly.

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

Conciseness5/5

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

Two clear sentences plus a tipped paragraph. Information is front-loaded and no extraneous content.

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

Completeness3/5

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

Missing description of the return value (no output schema). It states it creates an object but doesn't indicate the response includes the created category. Adequate for basic use but incomplete for an agent needing to know what to expect.

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

Parameters4/5

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

With 75% schema coverage, the description enhances the body parameter by mapping color enums to human-readable names and emphasizing uniqueness of displayName. It does not explain confirm, includeHeaders, or excludeResponse, but schema covers them.

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

Purpose5/5

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

The description explicitly states 'Create an outlookCategory object in the user's master list of categories,' providing a specific verb and resource. It distinguishes from sibling tools like list-outlook-categories by focusing on creation.

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 on when to use this tool versus alternatives (e.g., list-outlook-categories or other create tools). The tip only explains the body format, not usage context.

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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