vox_news

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It does disclose that the tool is read-only, public, and RSS-backed ('fresh public Vox stories from its RSS feed'), which is useful context. It does not mention return format, pagination, or rate limits, leaving a moderate gap for a zero-parameter tool.

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 extremely concise at two short sentences, front-loading the action verb and resource. Every word earns its place, with no redundant filler or repetition of the tool name.

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 simple zero-parameter RSS feed tool, the description is largely complete: it states the source, freshness guarantee, and public nature. No output schema exists, so a brief note on return shape would improve completeness, but the phrase 'stories' gives the agent a reasonable expectation of the response. Given the tool's simplicity, this is a minor omission rather than a significant gap.

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 tool has zero parameters and empty input schema, so there are no parameter semantics for the description to clarify. The baseline of 4 for zero-parameter tools applies, and the description adds no conflicting or superfluous parameter information.

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 uses a specific verb ('Get') with a clear resource ('Vox top stories') and adds the source ('its RSS feed'). It is clear what the tool does, though it does not explicitly differentiate from closely related siblings like vox_headlines or vox_article. The qualifier 'top stories' provides enough distinction that an agent can infer its role among the Vox family.

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 implies the tool should be used when the agent needs fresh, public Vox top stories from the RSS feed. However, it offers no explicit guidance on when to prefer this over alternatives such as vox_headlines or vox_sections, nor does it state any exclusions. Usage is inferred rather than explicitly directed.

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