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delete_field

Destructive

Remove a specified field from a Directus collection after confirming the deletion. Ensures safe schema changes by requiring explicit confirmation before removal.

Instructions

Delete a field from a collection (requires confirmation)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
fieldYesField name
confirmNoConfirm deletion
collectionYesCollection name
Behavior4/5

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

Annotations already declare destructiveHint=true, and the description adds the important behavioral guard that confirmation is required before deletion. This goes slightly beyond the schema's confirm parameter by indicating that the action will not proceed without that confirmation.

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?

A single, front-loaded sentence states the core action and the critical precondition with zero wasted words. It is appropriately sized for the tool's simplicity.

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

Completeness4/5

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

For a simple destructive delete operation with a destructiveHint annotation, the description covers the essential behavior and confirmation guard. It does not mention irreversibility or access requirements, but the annotation and simple nature of the tool make the description sufficient.

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 description coverage is 100%, so the schema already documents all three parameters. The description adds little beyond the confirmation requirement, which is effectively restating the confirm parameter's purpose.

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 states a specific verb and resource: 'Delete a field from a collection.' This clearly distinguishes it from sibling operations like create_field, update_field, and delete_collection, so an agent can understand exactly what the tool does.

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

Usage Guidelines3/5

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

The description implies when to use the tool (removing a field requires confirmation), but it does not explicitly contrast with alternatives or explain when not to use it. The confirmation requirement provides some usage context, but no direct exclusions or alternative routing.

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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