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

With no annotations, the description carries the full burden of behavioral disclosure. It does state 'No disk access,' which is a useful safety trait, but it says nothing about what happens with the other parameters, whether they are validated, what the return format is, or whether multiple inputs are accepted. For a tool with no annotations and 9 params, this is insufficient.

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 extremely short, but it is under-specified rather than concise. For a tool with 9 parameters and no other context, two sentences are not enough. It fails to front-load any usage or scope information that would help an agent.

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 high parameter count, no required params, no output schema, and no annotations, the description is severely incomplete. An agent cannot infer how to call this tool correctly, what the expected output is, or whether to pass one param or many. The tool appears to be a catch-all validator, but the description hides that.

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 coverage is 100% because each parameter has a description. The description itself adds no meaning beyond the schema; it only repeats the path focus. The schema descriptions provide basic semantics (e.g., 'discarded after the shape check'), so the baseline of 3 is appropriate since the schema carries the load.

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 specific verb and resource: 'Check whether a path looks safe.' However, it ignores the other 8 input parameters (ref, url, city, feed, host, json, zone, query), which suggests the tool actually handles multiple types of shape/validation checks. This partial scoping is misleading and does not distinguish it from sibling shape-check tools like domain-shape or figma-url-shape.

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 guidance on when to use this tool versus alternatives. The description does not mention any conditions, exclusions, or sibling tools. An agent has no way to know whether to pick file-path-ok over wiki-title-ok or validate-json.

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