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

With no annotations, the description carries the full burden, but it only mentions that decision_id is required, which is a parameter requirement, not a behavioral disclosure. It does not describe what happens if the pathway does not permit, error handling, or any side effects. This is a significant gap for a tool that likely has authorization checks.

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 concise sentence that front-loads the main purpose and mentions the key requirement. It is not verbose and every word adds some value, though it could have included more guidance without sacrificing conciseness.

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?

Given the tool has three required parameters and no annotations, the description is insufficiently complete. It does not explain how to obtain a lawful lot or decision_id, or what conditions make the pathway permit the action. The presence of an output schema covers return values, but usage context is lacking.

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 explain parameters, but it only mentions decision_id as required without explaining what it is. The parameters lot and presentation_id are not elaborated beyond their names. The description adds minimal meaning to the 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?

The description clearly states it retrieves a certificate of analysis for a lot of a presentation, specifying the action and resource. It also mentions a condition ('where the pathway permits') that adds context. However, it does not explicitly differentiate from sibling tools like get_item or get_safety_label, though the specific COA purpose is distinct.

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?

There is no explicit guidance on when to use this tool versus alternatives. The phrase 'where the pathway permits' hints at a prerequisite but does not explain how to determine if the pathway permits or what other tools to consider. No alternative tools are mentioned.

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