futures_delivery_match_czce

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false. The description adds a source URL and the return type (pandas.DataFrame), but does not disclose behavioral traits like data scope, pagination, or potential scraping limitations. It adds minimal context beyond the annotations.

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 short but contains redundancy: the opening line and the :return value are identical ('郑州商品交易所-交割配对'). It includes a URL and a docstring-style param section, which is useful, but the repetition wastes space.

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 output schema, the description should explain what the returned DataFrame contains, but it only repeats the tool name in both the opening and :return sections. It lacks any detail about columns, data content, or behavioral scope, making it insufficient for a complete understanding.

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 schema has 0% description coverage, so the description must compensate. It documents the date parameter as '年月日' (year-month-day) and type str, and the schema default '20210106' hints at the expected format. However, it lacks explicit format specification and constraints, so it only partially compensates.

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 is essentially a noun phrase '郑州商品交易所-交割配对' that restates the tool's title and name without an explicit verb or explanation of what '交割配对' means. It provides a source URL but does not clarify the tool's function beyond the name.

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 guidance on when to use this tool versus alternatives such as futures_delivery_match_dce or futures_delivery_czce. The description only documents the date parameter and gives no context about appropriate use cases.

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