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

The annotations declare readOnlyHint=true, yet the description says a document is 'prepared in your account' and a label is issued, which reads as server-side state creation rather than a pure read. The valuable disclosure is that the tool never emits anything autonomously and requires human signature, but this creates a direct tension with the read-only annotation instead of resolving it.

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 sentences with the artifact and the critical non-autonomy constraint front-loaded; no filler. Slightly harmed by the awkward line breaks and the missing explicit verb at the start.

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 should say what the agent receives back (a document link, an ID, a status) — it does not. It also leaves the only required parameter unexplained, so an agent would have to guess how to construct a valid call.

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%, so the description must carry the weight, and it does not. It never explains what referencia_calculo refers to (presumably a handle to a prior calculation on the platform) nor what api_key is for or whether it is optional despite the null default.

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?

States the concrete output: a signable memorial document plus an ANSI/NBR label, which clearly differentiates it from the calculation-only siblings (dimensionar_cabo, calcular_curto_circuito, etc.). The verb is inherited from the tool name rather than restated, but the resource and artifact are specific enough for an agent to identify it.

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 second sentence gives real context: the document is prepared in the user's platform account for review and signature by the technical responsible, implying this is the closing/documentation step after a calculation. It does not name a sibling alternative or state prerequisites (e.g., that a referencia_calculo from a prior calculation is needed), so it stops short of full routing guidance.

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