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akmalovaa

proxmox-mcp

get_storage_content

Read-onlyIdempotent

List storage pool contents—ISOs, disk images, backups, and container templates—with optional filter by content type such as iso, backup, images, rootdir, or vztmpl.

Instructions

List contents of a storage pool: ISOs, disk images, backups, container templates.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nodeYesNode name.
storageYesStorage pool name (e.g. 'local', 'local-lvm', 'cephfs').
contentNoFilter by content type: 'iso' (ISO images), 'backup' (vzdump backups), 'images' (VM disks), 'rootdir' (LXC rootfs), 'vztmpl' (LXC templates).

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

Annotations already indicate readOnlyHint, idempotentHint, and openWorldHint, so the description need not elaborate. It does not contradict annotations and adds no additional behavioral context, meeting the baseline.

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?

The description is a single sentence that efficiently conveys the tool's purpose without unnecessary words. It is front-loaded and concise.

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?

Given the simplicity of the tool and the presence of an output schema, the description provides sufficient high-level context. It does not need to detail return values or error handling, so completeness is adequate.

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 each parameter is documented. The tool description adds only marginal context (listing example content types) beyond the schema, so a 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 clearly states the action (List) and resource (contents of a storage pool), with examples of content types. It effectively distinguishes from sibling tools like list_storage by focusing on contents of a specific pool.

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?

No explicit when-to-use or when-not-to-use guidance is provided. The usage context is implied by the tool name and description, but alternatives are not mentioned, so the score is moderate.

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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