ncloud_datafence_get_datafence

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

readOnlyHint=true already declares this as a safe read with no side effects, so the description carries a reduced burden. It adds the field list (fenceId, name, status, box count, export screening bucket), which hints at output shape, but no authentication, scoping, or freshness context beyond that, so it adds only modest value.

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?

A single compact sentence that front-loads the verb and resource, with the returned fields tucked into a parenthetical. No filler; only the terse field list is arguably borderline but it does add information.

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?

No output schema exists, so the description's enumeration of returned fields is genuinely useful compensation. For a read-only, parameterless account-level getter, nothing essential is missing, though naming the sibling distinction would fully close the loop.

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 takes zero parameters, so the schema cannot document anything and there is nothing for the description to disambiguate. Baseline 4 for a parameterless tool is appropriate.

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?

States a specific verb (Get) and resource (the Datafence of this account) and even enumerates the returned fields, so the agent knows exactly what it retrieves. It does not explicitly distinguish itself from sibling datafence reads like list_fence_infra or get_box_summary, but the account-level scope is reasonably implied.

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?

No when-to-use guidance and no alternatives named. Given the large family of ncloud_datafence sibling tools, the description should say this is the account-level fence overview rather than a per-box or infra read, but it offers nothing to route the agent.

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