download_files

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. The single word 'test' reveals nothing about whether this is a read/write operation, what permissions are needed, whether it's destructive, rate limits, or any behavioral traits. This is completely inadequate for a tool that presumably downloads files.

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?

While the description is extremely brief, this is not true conciseness but severe under-specification. A single word 'test' fails to convey necessary information, making it inefficient rather than appropriately sized. Every sentence should earn its place, but here there's essentially no content to evaluate.

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 that this is a tool with 1 parameter, no annotations, and no output schema, the description 'test' is completely inadequate. It doesn't explain what the tool does, how to use it, what it returns, or any behavioral context. For a file download tool, this leaves critical gaps in understanding.

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 has 1 parameter with 100% description coverage, providing a clear example URL. The description 'test' adds no semantic value beyond what the schema already documents. According to the rules, when schema_description_coverage is high (>80%), the baseline score is 3 even with no parameter information in the description.

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 'test' is a tautology that merely restates the tool name 'download_files' without providing any meaningful information about what the tool does. It fails to specify what resource is being downloaded, from where, or what the outcome is. This is the lowest possible score for purpose clarity.

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, what context it applies to, or any prerequisites. There are no sibling tools mentioned, but even without alternatives, the description offers zero usage instructions. This is a complete lack of guidance.

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