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rafaelgaspar

longhorn-mcp

by rafaelgaspar

List volume attachments

volumeattachment_list

List Longhorn volume attachment records to view attachment tickets per volume. Identify which nodes have volumes attached and diagnose attachment issues quickly.

Instructions

List Longhorn VolumeAttachment records (attachment tickets per volume).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Install Server

TDQS

A3.8/5.0
Behavior3/5

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

No annotations are provided, so the description carries the behavioral disclosure burden. It correctly implies a read-only listing operation and adds useful context about what a VolumeAttachment represents, but it does not mention output format, pagination, or any other observable behavior beyond listing.

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, compact sentence that front-loads the action and resource, with the parenthetical adding useful context without redundancy. Every word earns its place.

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 zero-parameter list operation on a well-defined resource, the description is sufficient for an agent to know what will be listed and what kind of data to expect. It could be slightly stronger by mentioning the return type, but the simplicity of the operation makes that a minor gap.

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?

The tool has zero parameters, so the input schema is trivially complete and the description does not need to explain any parameters. The baseline of 4 applies because there is nothing for the description to add.

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 uses a specific verb ('List') and identifies the exact resource ('Longhorn VolumeAttachment records'), with a clarifying parenthetical ('attachment tickets per volume') that explains what these records represent. This clearly distinguishes it from the sibling volumeattachment_get, which retrieves a single record.

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?

The description gives no guidance on when to use this tool versus the closely related volumeattachment_get or other list tools. Usage is only implied by the verb 'List' and the resource name, with no explicit context, prerequisites, or exclusions.

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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