index_option_cyb_min_qvix

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is covered. The description adds a source URL and return type, but does not disclose behavioral details such as data granularity, update frequency, or any quirks. It does not contradict 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 redundant: the phrase '创业板 期权波动率指数 QVIX-分时' appears in both the main text and the :return: docstring. The URL adds useful context, but the repetition wastes space and the structure is a raw docstring rather than a clean summary.

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?

There is no output schema, so the description should explain return values. It states the return type (pandas.DataFrame) and the data source URL, but it does not describe the columns, time index, or data interval, leaving the agent to guess the structure. While the tool is simple, more detail about the DataFrame content would improve completeness.

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 the schema already exhaustively covers inputs. The description adds no parameter information, which is appropriate; with 0 params, the baseline is 4.

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 as the ChiNext (创业板) options volatility index QVIX minute data, which is specific and distinguishes it from non-minute sibling tools like index_option_cyb_qvix. However, it lacks an explicit verb such as 'get' or 'fetch', relying on the tool name and docstring structure to imply the action.

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?

No guidance is provided on when to use this tool versus alternative QVIX tools (e.g., index_option_50etf_min_qvix). The description simply labels the data without explaining the selection context or exclusions, offering no decision support beyond the resource name.

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