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

With no annotations provided, the description carries the full behavioral burden. It usefully discloses the returned fields and the cost model ('5 point per returned record'), which is valuable operational context. However, it does not state that the operation is read-only, how level/parent_id affect the traversal, or any rate-limit or pagination behavior.

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?

Two tight sentences with no wasted words. The resource and output fields are front-loaded, and the cost note follows. The structure is efficient and 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?

The description is complete enough to know what data comes back and the cost, which partially compensates for the missing output schema. But for a tool with four parameters, no annotations, and multiple sibling alternatives, it lacks guidance on traversal behavior and when to select it over related OLX category tools.

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%, so the schema already documents all four parameters including the domain enum and defaults. The description adds returned-field and cost context but no additional parameter semantics beyond what the schema provides, so the baseline of 3 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?

The description states it returns the full category tree of an OLX marketplace, then enumerates the exact fields returned (id, name, alias, parent id, depth, child ids, URL, live offer count). That is a clear resource and output shape, though it does not explicitly differentiate itself from sibling OLX category tools such as run_olx_categories_filters or run_olx_regions.

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?

There is no when-to-use guidance, no prerequisites, and no routing to alternatives among the many OLX and marketplace category tools. The phrase 'Full category tree' implies a broad listing use case, but the agent receives no explicit condition for choosing this tool over run_olx_categories_filters or run_olx_regions.

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