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

Annotations already declare readOnlyHint=false, idempotentHint=false and destructiveHint=false, so the safety profile is covered. The description adds no behavior beyond that: nothing about side effects, auth requirements, rate limits, or what an aggregate call actually does; the endpoint path (POST /v1/aggregate/verify) is the only marginal addition.

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?

One front-loaded sentence with no wasted words and the key qualifier ('multiple/aggregate') placed first. It is efficient, though arguably too terse for the tool's complexity.

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 an aggregate tool that takes an opaque JSON body, has no output schema, and carries only minimal annotations, the description omits what gets aggregated, what the response looks like, and any prerequisites. An agent has almost nothing beyond the endpoint to call this correctly.

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 optional 'body' parameter whose schema description is present (100% coverage), so the baseline is 3. The description adds no meaning about the body contract, only pointing to the endpoint path; it defers entirely to the OpenAPI schema.

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 a specific verb and resource ('Run multiple verifications in one aggregate call'), and the word 'multiple/aggregate' implicitly separates it from the single-verify siblings like affix_verify. It stops short of naming any alternative explicitly, so it is clear but not fully differentiated.

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 phrase 'multiple verifications in one aggregate call' implies the batch use case, but there is no explicit when-to-use/when-not guidance and no named alternative among the many *_verify siblings. Usage is left to inference.

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