crypto_bitcoin_cme

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 known. However, the description adds no behavioral context beyond annotations—no rate limits, pagination, data source caveats, or side effects. It only mentions the return type and date format, which are not behavioral traits.

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 compact and structured as a docstring with title, URL, param, and return sections. It is front-loaded with the main report name. Minor redundancy (repeating '报告') and the URL could be trimmed, but overall it is efficient.

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?

The tool has only one optional parameter and no output schema. The description names the return type (pandas.DataFrame) and provides a source URL, but does not describe the DataFrame columns or report structure, leaving uncertainty about the exact data returned. While acceptable for a simple report tool, it falls short of fully equipping an agent.

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 input schema provides only a 'date' property with no description. The description compensates by explicitly defining the param: 'Specific date, e.g., 20230830' and type str, giving a concrete format example that greatly clarifies usage beyond the schema.

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 clearly states the tool provides the CME Bitcoin volume report ('芝加哥商业交易所-比特币成交量报告') and includes a source URL. It names the specific resource (CME Bitcoin volume) and distinguishes it from sibling tools like crypto_bitcoin_hold_report by specifying 'volume', but it lacks an explicit action verb such as 'get' or 'retrieve'.

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 alternatives. The description only includes a parameter docstring and return type, with no mention of use cases, exclusions, or references to related crypto tools.

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