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sjk4425

ncloud-mcp-server

by sjk4425

ncloud_hadoop_list_buckets

Read-only

List object storage buckets associated with a Cloud Hadoop instance by providing region code and instance number.

Instructions

List Object Storage buckets available for Cloud Hadoop

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
regionCodeNoRegion code
cloudHadoopInstanceNoNoCloud Hadoop instance number
Behavior3/5

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

Annotations already declare readOnlyHint=true, indicating a safe read operation. The description adds no additional behavioral traits beyond what the annotation provides, so the burden is partly met but no extra context is given.

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 fluff. It front-loads the key action and resource, making it easy to parse.

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 simple list tool with no output schema, the description adequately conveys what the tool does. However, it could mention that it lists buckets associated with a Cloud Hadoop instance, but the parameter cloudHadoopInstanceNo and the name imply this.

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?

Both parameters (regionCode, cloudHadoopInstanceNo) have descriptions in the schema (100% coverage). The description does not add any meaning beyond the schema, so baseline 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 uses a specific verb 'List' and clearly identifies the resource 'Object Storage buckets available for Cloud Hadoop', distinguishing it from sibling tools like ncloud_list_buckets by specifying the Cloud Hadoop context.

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 provides no guidance on when to use this tool versus alternatives such as ncloud_list_buckets. The agent must infer the difference from the context, but no explicit conditions or exclusions are stated.

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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