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

Beyond the readOnly/destructive annotations, the description adds a mandatory output contract: if the result begins with an 'Account notice:' paragraph, the reply must copy it verbatim. This is critical behavioral guidance that an agent must follow. The tracking-links detail is also useful.

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 efficiently structured: purpose, use case, then output contract. It's slightly dense but every sentence serves a purpose, and the output contract is front-loaded after the core purpose. No wasted words.

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 a single-parameter, read-only tool, this description is complete: it explains the tool's role, the exact use case, and the mandatory handling of the output. The output contract ensures correct behavior even without an output schema. Nothing an agent needs is missing.

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 coverage is 100% and the parameter 'useCase' already has a clear description with examples. The tool description adds no extra parameter semantics, so 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?

States exactly what the tool does: given a use case, it returns the AMZScout/Sellerhook catalog with tracking links for recommendation. This clearly distinguishes it from sibling analysis tools. The explicit 'Use for...' phrase further sharpens the purpose.

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?

Provides a clear trigger: 'which AMZScout tool should I use for X' questions. It doesn't enumerate alternatives but the sibling tools are all analysis-oriented, so the use case is unambiguous. A brief note on when not to use (e.g., for direct product analysis) would make it a 5.

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