politico_headlines

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

No annotations are provided, so the description must carry behavioral disclosure. It does mention that the tool 'Returns fresh headlines from Politico's public, site-wide RSS feed,' adding information about the source and freshness. However, it does not disclose potential rate limits, output details, or explicitly confirm it is a read-only operation, which would be valuable given the lack of annotations.

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 two sentences with no fluff. The primary action is front-loaded, and the second sentence adds the key source detail. Every phrase earns its place, and it is appropriately sized for a zero-parameter tool.

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 headline fetcher, the description is mostly complete: it names the resource, the content, and the source. It does not explain pagination, limits, or output format, but these are less critical given the simplicity and the absence of an output schema. It could be slightly stronger with a note about what specifically is included in the returned headlines.

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 the schema coverage is 100%, so the schema fully defines the input contract. With no parameters to describe, the baseline is 4; the description adds no parameter-specific information, but none is needed.

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 a specific verb and resource: 'Get Politico site-wide headlines.' It identifies the exact content type and scope, and the name itself distinguishes it from sibling tools like politico_article, politico_author, and politico_topic. The source detail (public, site-wide RSS feed) further clarifies what is returned.

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 explicit guidance on when to use this tool versus alternatives. The description implies it is for site-wide headlines, but does not mention when to use politico_categories, politico_topic, or politico_article instead. No exclusions or alternative recommendations are provided, leaving the agent to infer the appropriate context.

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