ncloud_pca_list_cas

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

Annotations include readOnlyHint=true, and the description is consistent with that. It adds return-content context (status, type, alias, certificate details) but does not mention pagination behavior, default page size, or other operational caveats. The description adds some value beyond the annotation but could disclose more.

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 two sentences, front-loaded with the action and resource, and contains no filler. It efficiently communicates purpose and return contents.

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 simple list tool with one optional parameter and a readOnly annotation, the description covers the action, scope, and returned fields. The main gap is the lack of pagination semantics despite the pageNo parameter, which could matter when the result set is large. Overall, it is largely complete.

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 only parameter, pageNo, is fully described in the schema as 'Page number for pagination'. The description adds no additional meaning about pagination mechanics, defaults, or how 'all' relates to paging. Baseline 3 applies because schema coverage is 100%.

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 a specific verb 'List' with a clear resource 'Private CA instances', explains the acronym, and notes returned fields (status, type, alias, certificate details). It differentiates from sibling ncloud_pca_get_ca by saying 'all' rather than implying a single CA lookup.

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 gives a clear scope ('List all Private CA instances') but does not explicitly state when to use this tool versus alternatives like ncloud_pca_get_ca or ncloud_list_certificates. Usage is implied by the tool name and wording, but no exclusions or explicit alternative guidance is provided.

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