printer_usage_summary

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

No annotations are provided, so the description carries the full burden. It fails to disclose behavioral traits such as whether the tool is read-only, requires authentication, or has rate limits. The description only states what is shown, not how it behaves.

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 very concise, using only two short paragraphs and one sentence for the core purpose. Every sentence adds value: the first states what is shown, the second provides enterprise context and pricing.

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?

While the description is adequate for a simple summary tool, it lacks details like the time period covered (current month? all time?), data recency, and whether it includes historical data. Given no output schema, the description could be more complete.

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, so the description must convey all meaning. It does so by describing the output (printer count, allowance, overage charges) and pricing details. Schema coverage is 100%, but the description adds necessary context beyond the empty schema.

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 clearly states 'Show printer count, included allowance, and overage charges.' This specifies the action (show) and the resource (printer usage summary), making the purpose unambiguous and distinct from sibling tools like troubleshoot_print_issue.

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?

The description includes 'Enterprise feature,' which provides context on when this tool is applicable (enterprise users). It does not explicitly state when not to use or list alternatives, but the context helps narrow usage.

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