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

There are no annotations, so the description carries the behavioral disclosure burden. It explains that submit_enquiry is free and not a guaranteed quote, and says this tool returns who receives the details, consent wording, and how confirmation works. However, it does not explicitly state that enquiry_describe itself is read-only or has no side effects.

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 front-loaded with the actionable instruction 'Read first' and names the related tool early. It uses a compact structured set of statements, although some phrases are slightly repetitive. No extraneous fluff beyond the necessary context.

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 zero-parameter documentation/help tool, this is reasonably complete: it explains the meaning of an enquiry, its non-purchase nature, and exactly what the returned output covers. The lack of an output schema is mitigated because the description enumerates the returned information.

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?

The input schema has zero parameters and full coverage, so the description does not need to explain parameter behavior. There is nothing for the agent to configure, and the baseline for a zero-parameter tool 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 names the specific action: it states plainly what submit_enquiry does on Background Check Quotes and returns the content of that enquiry. This clearly separates it from submit_enquiry and the other sibling tools, though the wording could define the 'describe' behavior more directly.

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?

'Read first.' gives a clear usage signal and positions this as the tool to consult before using submit_enquiry. The description explains that it clarifies the enquiry flow, pricing, consent, and confirmation, which tells an agent when the tool is relevant. It does not explicitly name when not to use it, but the intent is clear.

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