decimal_to_hexadecimal

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 states the conversion action but does not disclose behavioral traits such as input constraints (e.g., handling of negative numbers, large integers), output format (e.g., string representation with '0x' prefix), error handling, or performance considerations. The description is minimal and lacks necessary operational details.

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 concise and front-loaded, consisting of a single sentence that directly states the tool's function. There is no wasted verbiage, and it efficiently communicates the core purpose. However, the brevity contributes to gaps in other dimensions like guidelines and transparency.

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 tool's simplicity (1 parameter, no output schema, no annotations), the description is incomplete. It lacks details on output (e.g., format of hexadecimal result), input constraints, and usage context. For a conversion tool, users need to know what to expect in return and any limitations, which are not addressed.

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 1 parameter with 0% description coverage, so the description must compensate. It mentions 'decimal' but does not add meaning beyond the schema's type (integer). No details are provided about valid ranges, examples, or semantics (e.g., whether it accepts only non-negative integers). The description fails to enhance parameter understanding.

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 the tool's purpose: converting decimal numbers to hexadecimal (base-16). It specifies the domain (arithmetic) and category (number_systems), making the verb+resource explicit. However, it does not distinguish this tool from its sibling 'decimal_to_binary' or 'decimal_to_octal', which perform similar base conversions, so it lacks sibling differentiation.

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 provides no guidance on when to use this tool versus alternatives. It does not mention when to choose hexadecimal conversion over other base conversions (e.g., binary or octal) or other related tools like 'base_conversion'. There is no context for usage, prerequisites, or exclusions.

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