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

No annotations are provided, so the description carries the full burden of disclosing behavior. It only says 'Short catalog of common HTTP status codes' and does not state whether the tool is read-only, what it returns, what inputs affect the output, or whether any inputs are discarded. The schema's per-parameter notes are not part of the description itself.

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 sentence with no filler and front-loads the core subject. It is concise, though the brevity comes at the cost of operational detail.

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?

With nine optional parameters, no output schema, and no annotations, the description is far too thin to enable confident invocation. It does not explain what the returned catalog looks like, how inputs relate to the catalog, or when to pass one parameter versus another.

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 100%, so the baseline is 3. The description adds no connection between the nine heterogeneous parameters and the HTTP status catalog, but the schema individually documents each parameter's purpose, so the description does not need to compensate heavily.

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 identifies the resource—a catalog of common HTTP status codes—but uses a noun phrase rather than an action verb like 'retrieve' or 'list.' It is not a tautology, but it does not explicitly distinguish itself from siblings like fetch-status, which could also involve HTTP status information.

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 guidance about when to use this tool versus alternatives such as fetch-status, domain-shape, or normalize-url. The word 'catalog' implies a lookup/reference use case, but that is left entirely to inference rather than stated.

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