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

No annotations are provided, so the description carries the full burden. It discloses the core behavior: input theme and platform, return a counter-intuitive opening hook, and it adds a pricing detail (¥0.05 per call). However, it does not mention whether outputs vary between calls, any content constraints, or failure behavior.

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?

Compact and front-loaded: function, output, cost, then parameter examples. Every sentence adds value and there is no repetition of the title or generic filler.

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?

For a two-parameter generator with an output schema, the description covers the essential invocation information: inputs, output type, and cost. It is slightly incomplete only in not differentiating usage from sibling tools or describing parameter constraints, but it is sufficient for a straightforward generation call.

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 compensate. It does so by giving concrete example values for both theme (PLC调试/副业/护肤) and platform (抖音/小红书/头条), adding meaningful context beyond bare string properties. It stops short of specifying exact formats or accepted values, so not a perfect 5.

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?

States a specific verb (生成) and resource (爆款钩子), and clearly defines the output as an opening counter-intuitive hook built from theme and platform. The phrase '开篇反常识钩子' distinguishes it from sibling copy tools like toutiao_killer_title and xhs_viral_note, which focus on full titles or notes.

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 explicit guidance on when to use this tool versus alternatives such as ecom_selling_copy, toutiao_killer_title, or xhs_viral_note. The examples for theme and platform imply general usage, but an agent must infer the appropriate selection without any direct instruction.

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