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

With readOnlyHint=true and idempotentHint=true, the safety profile is already disclosed. The description adds meaningful behavioral context by enumerating the returned content: price, inclusions, guarantee/refund terms and links, free practice options, and purchase links. It does not contradict the annotations.

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?

The description is a single, dense sentence that front-loads the core purpose and then lists the returned offer aspects without wasted words. Every phrase adds useful information.

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 has one well-documented parameter and no output schema, so the description's list of returned content largely suffices. It is complete enough to invoke correctly, though it could strengthen guidance on when to use it instead of compare_prep_options.

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 only one parameter and the schema already covers it thoroughly with an enum and per-value exam descriptions. The description adds little semantic detail beyond 'for an FAA exam,' so the schema carries the burden. A baseline 3 is appropriate.

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 action and resource: retrieving Rotate Pilot's current paid prep package for an FAA exam, including price, inclusions, guarantee/refund terms, free practice, and purchase links. It is clear but does not explicitly name or contrast a sibling like compare_prep_options, so differentiation is left to inference.

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 description clearly implies the tool is for getting a single exam's current offer details rather than comparing multiple options. It provides useful context for when to call it, though it does not explicitly state exclusions or point to an alternative tool.

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