下载论文PDF

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

No annotations are provided, so the description must carry the full burden of behavioral disclosure. It only states the basic action of downloading a PDF, without explaining side effects (e.g., file creation), output format, or whether any authentication is needed. This is insufficient for a tool that likely creates files on the system.

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, concise sentence with no redundant wording, which is structurally neat. However, it is under-specified; the brevity comes at the cost of explanatory value, so it does not fully earn its place.

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?

Given the tool has three parameters (two required), no parameter descriptions, and an output schema that is not detailed, the description should compensate by explaining usage and context. It only states the action, omitting crucial information such as how to choose a platform, what to pass for id, and what the output schema represents. The presence of siblings makes the lack of guidance more problematic.

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%, and the description does not explain any of the three parameters (id, dir, platform). It is unclear what 'id' refers to (paper ID?), what 'dir' does (destination directory?), and what values 'platform' can take. This leaves the agent reliant on guessing parameter meanings.

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 '从指定平台下载论文PDF文件' clearly states the tool downloads a paper PDF from a specified platform, using a specific verb (download) and resource (paper PDF). It distinguishes from siblings like search_papers and read_paper by focusing on the download action, though it lacks detail on what exactly is returned or saved.

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?

The description provides no guidance on when to use this tool versus alternatives such as search_papers or read_paper. It does not mention prerequisites, when a download is appropriate, or any exclusions, leaving the agent to infer usage solely from the tool name and sibling context.

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