ncloud_list_buckets

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

Annotations already declare readOnlyHint: true, so the description doesn't need to disclose safety. It adds useful scoping details: it lists ALL buckets and only in the current region, which helps set expectations about scope. However, it does not mention pagination, ordering, or return format, so it doesn't fully disclose all behavioral aspects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, direct sentence with no filler or redundant information. Every word carries meaning, making it easy to parse quickly.

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

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

For a zero-parameter list tool, the description sufficiently states what it lists and the scope. It doesn't specify the return schema, but given the simplicity of the operation, this is an acceptable gap. The read-only annotation and empty schema keep the context small.

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

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

The tool has zero parameters and the schema is empty, so the description carries no parameter documentation burden. The baseline score of 4 applies due to the absence of parameters.

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

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

The description uses the specific verb 'List' with the clear resource 'Object Storage buckets' and scopes it to 'current region', making it easy for an agent to know exactly what this tool does. This distinguishes it from sibling tools like ncloud_list_cache_buckets or ncloud_list_mssql_buckets.

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

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

The description clearly identifies the target resource (Object Storage buckets) and geographic scope, which implies the appropriate use case: enumerating buckets in the current region. It does not explicitly state alternatives or exclusions, but the resource qualifier provides sufficient context for most selection scenarios.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.