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

Annotations already declare readOnlyHint=true and openWorldHint=false, so safety is covered. The description adds one genuine behavioral fact — stories are ordered as plate reading order — but says nothing about volume, pagination, or whether all stories are returned at once. Given no output schema exists, that leaves the response behavior largely undisclosed.

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?

It is a single short sentence with no filler, and the examples are efficient. But it is not front-loaded with an action verb, and the misspelled opening word plus the fragmentary "stories: storylines" construction cost clarity that a one-line description cannot afford.

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 zero-parameter, zero-output-schema listing tool, the description never says what comes back — a set of titles? slugs? full objects? whether the list is stable or paginated. The reading-order note is the only operational signal, which is thin for a tool whose entire contract is its return value.

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, which sets the baseline at 4, but the description adds no parameter-adjacent meaning either (e.g., no note that the unfiltered result set is small or complete). With nothing to document, 3 reflects that the schema does all the work and the description contributes nothing here.

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 identifies the resource as "storylines of plates in reading order" and gives concrete examples, which clarifies what a "story" is. However, it reads as a noun definition rather than a verb+resource statement — the "list" action exists only in the name/title — and the leading token "progrss" (presumably a typo for "progress") adds noise. It is distinguishable from get_story but the action is only implied.

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?

No when-to-use guidance is given, and none of the siblings (get_story, get_plate, search_plates, latest_plates) are mentioned, even though get_story is the obvious disambiguation point for a listing tool. An agent must infer from the names alone that this is the enumeration counterpart to get_story.

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