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

The annotations declare readOnlyHint=false, openWorldHint=true, idempotentHint=true, and destructiveHint=false, but the description adds nothing beyond them. It does not explain that the operation reaches outside the system (openWorldHint) or clarify how a 'fetch and suggest' operation is non-read-only, and the output schema exists but the description still doesn't characterize the behavior.

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?

A single compact sentence that front-loads the primary action. The trailing '(UC-057)' tag is dead weight but the overall size is appropriate.

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?

Although an output schema excuses the description from documenting return values, the definition still omits what 'domain imprint' contains, what the suggested legal-entity details are for, and any workflow context. For a non-read-only, open-world tool this is materially under-specified.

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 single required 'authorization' parameter has 0% schema description coverage, and the description says nothing about its format (bearer token? header?). With coverage this low, the description is expected to compensate but does not.

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 pairs a verb ('Fetch') with a resource ('the caller's domain imprint') and adds a second action ('suggest legal-entity details'). However, 'domain imprint' is undefined jargon and the internal ticket reference '(UC-057)' adds no meaning, leaving an agent unsure what data is actually produced or how it differs from the related sibling get_legal_entity_types.

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?

No when-to-use guidance, no prerequisites stated, and no alternatives named. The sibling list contains several plausibly overlapping tools (get_legal_entity_types, start_inquiry), yet the description gives no signal for choosing between them.

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