toutiao-search

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

Annotations are absent, so the description carries the full burden of behavioral disclosure, and it is thin. It discloses only that this is a keyword-based search, with no mention of pagination semantics (despite the offset parameter), result scope/filtering behavior, rate limits, or whether '爆款' is an actual filter or aspirational phrasing. The description neither confirms nor clarifies what happens when the search executes.

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 a single front-loaded sentence: platform first, then the action and query method. Every element earns its place, and there is zero filler. It could have used the saved space for behavioral context, but as a concise and well-ordered definition it is effective.

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 low-complexity tool with two flat parameters, the description is adequate for basic invocation — an agent can determine it needs a keyword and can call the tool. However, with no output schema and no annotations, the missing return-format and pagination details are meaningful gaps, and the ambiguous '爆款内容' phrasing adds uncertainty about what results to expect.

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 100% (both offset and keyword have Chinese descriptions), so the baseline is 3. The description's '按关键词查询' corroborates the keyword parameter's role but adds no new meaning; it does not explain the offset parameter's pagination behavior or any keyword formatting constraints, leaving agents with only the terse schema text.

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 states a specific verb (搜索/search), a resource (今日头条作品/Toutiao works), and a method (按关键词/by keyword), making the core purpose clear. The platform designation '今日头条' distinguishes it from the many sibling platform-search tools (douyin-search, kuaishou-search, wechat-search, etc.). However, '爆款内容' (viral content) creates slight ambiguity about whether the tool searches all Toutiao content or only filters for trending/viral items.

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 given on when to use toutiao-search versus alternatives. With roughly a dozen sibling search tools (weibo-post-search, wechat-search, xiaohongshu-search, deepseek-websearch, doubao-websearch, etc.), the description does not state which platform scenarios map to this tool, when not to use it, or how it differs from general web-search siblings. An agent must infer platform selection purely from the tool name.

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