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lazyants
by lazyants

Delete Image

hetzner_delete_image
DestructiveIdempotent

Delete a snapshot or backup image from your Hetzner Cloud account. Specify the image ID to permanently remove it.

Instructions

Permanently delete a snapshot or backup image.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesImage ID
Behavior4/5

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

Annotations already indicate destructiveHint=true and readOnlyHint=false. The description adds context by specifying 'permanently delete' and restricting to snapshots/backups, clarifying the irreversibility and scope. No contradictions with annotations.

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?

The description is a single, concise sentence with no extraneous words. It efficiently conveys the core action and resource, achieving high front-loading and minimalism.

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?

The description adequately covers the delete action and irreversibility. However, it does not mention prerequisites like removing protection (via 'change_image_protection') or that the image must not be in use, which would enhance completeness for a destructive operation.

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 for the single parameter 'id' is 100% with description 'Image ID'. The tool description adds no further semantic information about the parameter, 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.

Purpose5/5

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

The description 'Permanently delete a snapshot or backup image' uses a specific verb ('delete') and resource ('snapshot or backup image'), clearly distinguishing it from sibling tools like 'update_image' or 'change_image_protection'.

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 lacks explicit guidance on when to use this tool vs alternatives. It does not mention conditions (e.g., image must not be protected) nor direct users to other tools like 'change_image_protection' if deletion is blocked.

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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