index_stock_cons_csindex

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

Annotations already declare readOnlyHint, idempotentHint, non-destructive, and openWorld, so the safety profile is covered. The description adds useful context beyond that — it identifies the upstream data source (CSIndex URL) and the return type/semantics ('最新指数的成份股', pandas.DataFrame) — but says nothing about rate limits, latency, or completeness of coverage.

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?

Purpose is front-loaded, followed by a source URL and compact param/return documentation. It is appropriately sized for a one-parameter tool, though the embedded URL and docstring-style :param/:return lines add slight structural noise without new behavioral content.

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, and the description compensates by stating the return is a pandas.DataFrame of the latest index constituents. Combined with the annotated safety profile and the explained parameter, an agent has enough to call it correctly; only routing guidance against sibling constituent tools is missing.

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%, so the description must carry the parameter meaning, and it does: 'symbol' is defined as the index code (指数代码) and a concrete way to obtain it is given via ak.index_stock_info(). This is meaningful semantics beyond the bare schema default of '000300'.

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 a specific source and resource: '中证指数网站-成份股目录' (CSIndex website – constituent stock directory), which tells an agent this retrieves index constituents from CSIndex. It does not explicitly differentiate from close siblings like index_stock_cons or index_stock_cons_weight_csindex, but the stated source makes the scope clear enough to distinguish it.

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 only guidance is how to obtain the input value ('可以通过 ak.index_stock_info() 函数获取'), which is parameter-acquisition help rather than when-to-use guidance. There is no statement of when to prefer this over sibling constituent tools (index_stock_cons, index_stock_cons_sina, index_stock_cons_weight_csindex) or any exclusions.

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