wb_categories_parent

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

No annotations are provided, so the description carries the full burden of behavioral disclosure, and it discloses nothing — no read-only guarantee, no auth requirements, no pagination or return-format hints. It is behaviorally silent, though at least it does not mislead.

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?

At six words plus a parenthetical, the description is undeniably brief, but the Russian gloss duplicates the English 'parent categories' and earns no place. The brevity reflects under-specification rather than deliberate front-loading of an action.

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?

The tool is simple (one optional parameter, no output schema, no annotations), but the description still omits the operation ('returns'), the return shape, and any differentiator from the many sibling catalog tools. An agent would have to infer the most basic facts about the call.

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?

Schema description coverage is 100% — the locale parameter is fully documented ('ru | en | zh, default ru') in the schema, so the baseline is 3. The description adds nothing about locale or any other parameter, which is acceptable because the schema already covers it.

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 names the resource ('parent product categories') with a Russian gloss, but it is a noun phrase with no verb — it never states that the tool returns or lists these categories. It does add domain context ('product') and scope ('All'), which distinguishes it from a pure restatement of the name, but the action must be inferred.

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 contains no when-to-use guidance, no exclusions, and no mention of alternatives. Given that sibling tools such as wb_directory, wb_subjects_search, and wb_brands_list occupy adjacent catalog territory, the absence of routing guidance leaves the agent guessing which tool to call.

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