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

No annotations are provided, so the description carries the burden. It discloses ordering and the shape of returned fields, implying a read-only listing, but says nothing about result limits, pagination, total counts, or whether all articles are returned. Adequate but with real gaps for a multi-item listing 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?

Two short, front-loaded clauses with no filler: the resource and ordering lead, and the pointer to the sibling closes. Every element earns its place.

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?

With no output schema, the description usefully enumerates the returned fields and their ordering, which is the main thing an agent needs. It stops short of explaining volume or pagination behavior, a modest gap for a zero-param listing.

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 takes zero parameters, so there is nothing to disambiguate and the baseline applies. The description reinforces this by not implying any required filters or arguments.

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?

Names the resource (blog articles), states ordering ('новые первыми'), and enumerates the returned fields (title, date, summary, address). It also distinguishes itself from the sibling usilitel_article, which holds the full text. The only shortfall is that the listing action is implied rather than stated with an explicit verb.

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?

Explicitly routes the agent to usilitel_article when the full article body is needed, which gives clear when-to-use-which guidance. It doesn't state exclusions or when this tool should be skipped entirely, which keeps it just short of a 5.

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