thehill_headlines

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

With no annotations, the description carries the full burden of behavioral disclosure. It states that it 'returns fresh headlines' and that they come 'from one public The Hill RSS section,' but it does not describe the return format (e.g., whether it includes titles, links, timestamps), pagination behavior, or any rate limits. The minimal information may be sufficient for a simple list, but it lacks concrete details about what the agent can expect in the response.

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 core action is front-loaded, and the additional context about RSS and freshness is concise. Every word serves a purpose, making it efficient for an agent to parse quickly.

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?

The tool is simple with a single parameter and no output schema. The description states it returns headlines from a section but does not specify the structure of the returned data (e.g., array of title/link pairs) or any optional behavior. While the tool's simplicity reduces the need for extensive detail, the lack of output schema means the description should at least hint at the response shape, which it does not. This is a moderate 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?

Schema coverage is 100% since the single parameter 'section' has a description ('The Hill RSS section slug') and an enum. The tool description adds nothing beyond repeating that the data comes from a 'section.' Since the schema already documents the parameter, the description provides no additional value for understanding the parameter's meaning or usage, so the baseline score of 3 is appropriate.

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 the action ('Get'), the resource ('The Hill section headlines'), and the source model ('one public The Hill RSS section'). It distinguishes itself from sibling tools like thehill_sections (which likely lists sections) and thehill_news (which may fetch full articles) by specifying headlines from an RSS section. The purpose is unambiguous and specific.

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 explicit guidance on when to use this tool versus alternatives. It does not mention that this should be used for section-specific headlines, nor does it contrast with thehill_sections or thehill_news. The usage context is only implied by the resource name, leaving an agent to infer that it fetches headlines for a chosen section, but no direct exclusions or alternative routing are given.

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