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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description adds that the article must be public and that body paragraphs are returned, which is modest extra context, but it says nothing about rate limits, paywalls, or failure modes for non-existent URLs.

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?

A single tight sentence with no waste, front-loading the resource and its contents. It is perhaps slightly too sparse given the undocumented url parameter, but nothing is padded.

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?

An output schema exists, so return values need not be described, and the description correctly covers what is returned at a high level. The remaining gap is the url format, which is undocumented everywhere and is the one thing an agent must know to invoke the tool.

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 description coverage is 0% and the single parameter is undocumented in both schema and description. The description does not state whether 'url' expects a full canonical URL, a slug, or a relative path, so the agent must guess the accepted format.

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 names a specific resource (a single New York Magazine article) and its scope (metadata plus body paragraphs), and the 'public' qualifier distinguishes it from subscriber-gated content. It is clearly distinguishable from siblings like nymag_headlines or nymag_news, though it never names an alternative explicitly.

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 nymag_headlines, nymag_news, nymag_sections, or nymag_author. The agent is left to infer that a single-article fetch requires a URL from some other source.

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