eda_pcb_manufacture_data_get_ipc2581_cfile

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

No annotations are present, so the description carries the burden of behavioral disclosure. It does add a Promise<File | undefined> return and explicitly says the result is IPC-2581C file data, which is useful. However, it does not state whether the operation is read-only, whether an active PCB document is required, or how failures beyond 'undefined' behave.

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 starts with the exact function signature, which is the most useful information. The two short Chinese lines are partly redundant with the signature but add no real bloat, keeping the overall description 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?

Given no annotations and no output schema, the description gives enough to identify parameters and return type but lacks context about when to invoke the tool, what file the data is generated from, and how optional parameters like fileName or unit affect output. An agent could call it from the signature alone, but important situational guidance is missing.

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 only exposes generic `args` and `windowId`, so the signature in the description is the only source for the actual parameters. It names all four parameters, marks optionality, and lists enum-like allowed values for fileType, unit, and oemNumber. The schema's note that args follow the official signature order helps, though deeper semantics of each parameter are still not explained.

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 '获取 IPC-2581C 文件' (get IPC-2581C file) and includes the full function signature with a File return type, making the verb and resource specific. It does not explicitly distinguish itself from the many sibling get_*_file tools beyond the unique format name, so it falls short of a 5.

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 tool versus alternatives like eda_pcb_manufacture_data_get_gerber_file or get_bom_file. No prerequisites, no mention of the current PCB context, and no explicit exclusions are provided, so the agent must rely on the tool name and infer usage.

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