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rafaelgaspar

longhorn-mcp

by rafaelgaspar

Update backup target name reference

backuptarget_update_name

Update the backup target name reference on an existing record. Destructive action; call only after explicit user authorization.

Instructions

Update the backupTargetName reference on a backup target record. Destructive. Do not call this unless the user has explicitly authorized it in this conversation — never proactively, speculatively, or as a side effect of another task. Longhorn docs: https://longhorn.io/docs/1.12.1/snapshots-and-backups/backup-and-restore/

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
backupTargetNameYes
Install Server

TDQS

B3.3/5.0
Behavior3/5

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

With no annotations provided, the description carries the full burden and does clearly flag the operation as destructive and authorization-gated. It does not, however, explain what makes it destructive, whether the change is reversible, or what side effects the update has on existing backup references.

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 compact and front-loaded, with only three short sentences plus a documentation link. The destructive warning and authorization requirement are placed immediately after the action, and no sentence is wasted.

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

Completeness3/5

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

For a simple two-parameter mutation, the description is serviceable but leaves gaps: parameter semantics are unclear, there is no mention of expected response or absence thereof, and sibling routing is absent. The documentation link provides an external fallback but not inline completeness.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must explain the parameters. It implicitly identifies backupTargetName as the updated reference, but it never states that 'name' identifies the target record nor how the two parameters relate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

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

The description states a specific verb ('Update'), resource ('backup target record'), and the exact field being changed ('backupTargetName reference'). It is clearly about a narrow rename/reference update, even though it does not explicitly compare itself to the similar sibling backuptarget_update.

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 gives a strong invocation boundary: it is destructive and must only be called after explicit user authorization in the current conversation. However, it provides no guidance on when to choose this tool over backuptarget_update or other backup-target operations.

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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