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

With no annotations, the description carries the full burden. It does disclose that this is a search/read operation and that the lookup works on any one parameter, plus the return type (a json object). It omits auth scope beyond the api_key param, error behavior when no match is found, and what happens if multiple parameters are supplied.

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 leading sentence is repeated verbatim, which is pure waste, and the @param block is verbose. The structure is front-loaded and the parameter annotations do earn their place, but the duplication costs it a point.

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 five-parameter, zero-coverage tool with no annotations and no output schema, the description covers the inputs reasonably but leaves gaps: the shape of the returned json object, behavior when the lookup fails, and whether the search parameters are mutually exclusive are all unstated.

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 compensate, and it largely does: each of the five parameters is documented via @param tags, with a valuable warning that account_fk is a database ID (int), not an address, and must not be 0, plus a concrete payat_reference example. The gaps are tautological entries like "The wallet_fk" and "The account address" that add nothing beyond the parameter name.

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 clear verb+resource: returns the wallet white label domain. It does not differentiate from any sibling tool, though no obvious sibling overlaps this resource. The statement is duplicated verbatim, which weakens an otherwise clear 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?

"Performs a search on any one of the parameters" implies the usage pattern (lookup by a single identifier) but does not state when to use this versus alternatives, nor whether multiple parameters may be combined. Usage is implied rather than spelled out.

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