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manage-category

Manage color-coded categories across Outlook mail, calendar, and contacts. List, create, update, or delete category labels with preset colors as needed.

Instructions

Manage the user's master category list (the colour-coded labels available across mail/calendar/contacts). action=list (default) returns categories with id/displayName/color. action=create adds a new category — displayName required, color optional (preset0-preset24, e.g. preset0=Red, preset7=Blue). action=update (alias set — deprecated) changes name/colour by id. action=delete removes a category — this does NOT untag messages already labelled with it; existing messages retain the orphaned label until manually cleaned. Use apply-category to tag/untag specific messages.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idNoCategory ID (action=update/delete, required)
colorNoColor preset, e.g. preset0=Red, preset7=Blue (action=create/update)
actionNoAction to perform (default: list). 'set' is a deprecated alias for 'update'.
categoryIdNoDEPRECATED: alias for `id`. Will be removed in a future release.
displayNameNoCategory name (action=create required, action=update optional)
outputVerbosityNoOutput detail level (action=list, default: standard)
Behavior5/5

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

Discloses that deleting a category does not remove labels from messages (orphaned labels remain). Annotations indicate read-write and non-destructive, which aligns with description.

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?

Structured by action, but slightly verbose. Could tighten language without losing clarity. However, all sentences earn their place.

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

Completeness5/5

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

Covers all actions, required parameters, output for list, and references sibling tool. Complete given complexity and lack of output schema.

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

Parameters5/5

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

Adds context beyond schema: specifies which parameters are required for each action, explains color enum values with examples (preset0=Red). Schema coverage is 100% but description adds usage context.

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 clearly states the tool manages master category lists with actions like list, create, update, delete. It distinguishes from sibling 'apply-category' by directing tagging operations there.

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

Usage Guidelines5/5

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

Explicit guidance on default action (list), required parameters per action (displayName for create, id for update/delete), and deprecation of 'set' alias. Also points to 'apply-category' for tagging messages.

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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