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

Annotations already declare readOnlyHint, idempotentHint, non-destructive and a closed world, so the safety profile is covered. The description adds useful scope information (all environments, all operation types, aggregated) but says nothing about ordering, volume, or the shape of the aggregated result, which matters for a multi-source aggregation wrapper.

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?

Three short telegraphic fragments, front-loaded with the resource and scope, with no filler. The clipped phrasing ('SV', 'Canton-specific') assumes domain familiarity but the sentence count is minimal for the payload.

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 and one simple parameter, an agent can call this correctly, and annotations cover the safety profile. However, the description never indicates what an 'operation' entry looks like or how multiple environments are combined, leaving the agent without a mental model of the result.

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?

There is a single parameter with 100% schema description coverage that already documents the 1-180 range and default of 30. The description's 'next N days' restates rather than extends that, so the baseline 3 applies.

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 states a specific resource and scope ('SV operations in the next N days, all environments, all operation types') and frames it as a convenience wrapper for a validator/SV readiness question. It is readily distinguishable from siblings like get_sv_schedule or get_upcoming_deadlines, though it never names them 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?

The quoted use case ('what should I be ready for this week?') implies when to reach for it, which is better than nothing. But there is no explicit when-not guidance and no routing to the closely related get_sv_schedule / get_upcoming_deadlines siblings, so the agent must infer the boundary.

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