bilibili_dynamic_detail

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 description adds nothing about safety. It also omits behavior an agent would care about: whether private or deleted dynamics error out, whether openWorld access can fail on restricted content, and what the returned payload covers.

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?

One short, front-loaded sentence with no filler, which is structurally fine. However, brevity here is under-specification rather than economy: the same length could have carried the id format or a pointer to a sibling.

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?

No output schema exists, so the description is the only place to say what a dynamic record contains (text, images, author, stats) — and it says nothing. For a lookup tool with an undocumented id and openWorld access, this leaves real gaps.

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 coverage is 0% and the single `id` parameter has no description, so the definition must compensate — but '指定动态' only vaguely implies a dynamic id. It never states the numeric-string format, nor distinguishes dynamic id from user/video ids that other sibling tools take.

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 verb (读取) and resource (动态内容) for a single dynamic by id, which is understandable but extremely generic. It gives no distinguishing detail versus feed-style siblings like bilibili_user_feed or bilibili_my_feed, which also surface dynamic content, so an agent cannot tell from the description alone where this fits.

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 versus the feed tools, no prerequisites (auth requirements, whether the dynamic can be private/deleted), and no exclusion conditions. The agent must infer everything 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.