Read a local account

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false and openWorldHint=false, so safety is fully covered elsewhere. The description adds nothing beyond that: no error behavior when the account does not exist, no note on sensitivity of the returned data, no return shape. With the annotations doing all the work, the description is pure repetition.

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?

There is zero wasted wording and the phrase is front-loaded, but that is because there is essentially no content. It is under-specified rather than efficiently concise.

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 and the annotations are rich, but the one thing an agent must know to call it correctly, the identifier format for "account," is absent from both schema and description. There is no output schema, so the description also leaves the return value entirely undefined.

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% for the single required parameter "account," which is constrained only by a string length. The description never clarifies whether "account" is a username, an ID, a path, or a qualified name. With one undocumented parameter, the description needs to compensate and does not.

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?

Tautological: description restates name/title.

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 and no mention of the obvious alternative, accounts_list, or of any prerequisite. An agent must infer from the name alone that this fetches one account rather than enumerating them.

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