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rafaelgaspar

longhorn-mcp

by rafaelgaspar

Remove volume replica

volume_replica_remove

Remove a specific replica from a volume to adjust redundancy or eliminate a problematic replica. This destructive action requires explicit user authorization.

Instructions

Remove a specific replica from a volume. 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/nodes-and-volumes/volumes/create-volumes/

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
replicaNameYes
Install Server

TDQS

A4.2/5.0
Behavior4/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It clearly labels the operation as 'Destructive' and adds an explicit authorization requirement, which is valuable. It does not detail consequences like data loss or reversibility, but the warning and doc link provide meaningful context.

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?

Three short, purposeful sentences: the core action, a blunt destructive warning, and a clear authorization gate. Every sentence earns its place and the most critical safety information is front-loaded.

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 destructive operation, the description gives the essential safety context and a doc link, but it lacks enough parameter detail to confidently invoke the tool without additional lookup. No output schema exists, and the 0% schema coverage means the description should have compensated further.

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 coverage is 0%, and the description only vaguely maps 'volume' and 'specific replica' to the two parameters name and replicaName. It does not explain what replicaName is, how to obtain it, or any format/constraints, so an agent is left guessing about the exact value required.

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 action ('Remove a specific replica') and its resource ('from a volume'), clearly distinguishing this from sibling tools like volume_delete or volume_engine_upgrade. The title reinforces the same clear operation.

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

Usage Guidelines5/5

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

The description provides strong, explicit usage guidance: it is destructive, must not be called without explicit user authorization in the current conversation, and must never be used proactively or as a side effect. No alternative tools are needed for this clear destructive operation.

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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