stock_hold_management_detail_em

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

Annotations already declare readOnlyHint=true, openWorldHint=true, idempotentHint=true, and destructiveHint=false, covering the main safety profile. The description adds that it returns a pandas.DataFrame, which is useful, but does not disclose potential rate limits, pagination, or any other behavioral nuances. Since annotations carry the safety burden, a 3 is appropriate.

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 very brief and essentially repeats the title, then adds a URL and return type. It is not a well-structured sentence or paragraph; it reads more like metadata fragments. While short, it lacks the flow that would make it a polished description, though it does not waste words.

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 parameters and no output schema, the description should explain what data is returned beyond the vague title. It states the return type (pandas.DataFrame) but does not list columns, time range, or any caveats. For a straightforward data download tool, this is acceptable but incomplete.

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 has zero parameters, so schema coverage is trivially 100%. Per the rubric, 0 params receives a baseline of 4 because there is no parameter semantics to clarify.

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 data source (东方财富网/数据中心) and specific content (董监高及相关人员持股变动明细), making the tool's purpose reasonably clear. It distinguishes itself from the sibling tool stock_hold_management_detail_cninfo by explicitly referencing the East Money URL, though it lacks an explicit verb like 'fetch' or 'return'.

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 provides no guidance on when to use this tool versus alternatives. It does not mention the CNINFO variant or any context for choosing this specific data source. Users must infer usage solely from the tool name and URL.

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