hkma

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

No annotations are provided, so the description carries the full burden. It usefully discloses that no API key is required, but says nothing about rate limits, error behavior, pagination, or what the response contains for a data-retrieval tool.

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 short sentences, front-loaded with the resource identity, no filler. Efficient even if under-specified.

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?

With no annotations, no output schema, 0% schema coverage, and a nested params object, the description omits too much: what data is returned, how to build a valid path, and what params accepts. An agent would have to guess at invocation details.

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 0% and there are two parameters, including a nested free-form params object. The single example path shows the path format but the description never explains the params object at all, so it only partially compensates for the coverage gap.

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 identifies the resource (Hong Kong Monetary Authority public API) and gives an example path, so the agent can infer it retrieves HKMA data. But no verb or scope statement ('fetch statistics', 'search datasets'), and it does nothing to distinguish itself from siblings like world_bank_indicator, fred_series, or hk_open_data_search.

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?

It notes the API is 'free, no key', which is context, but gives no when-to-use guidance, no conditions, and no routing to alternative data-source tools such as fred_series or world_bank_indicator. The example path hints at call form but not at when this tool should be chosen.

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