cmyk_to_hex

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

With no annotations, the description carries the burden of behavioral disclosure. It usefully discloses a payment requirement ($0.001 USDC via x402), which is a significant operational trait. However, it does not state the return format or input behavior, leaving gaps for a conversion utility.

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 brief and front-loaded, but the first clause largely restates the tool name. The category and pricing sentences add value, yet the overall brevity contributes to under-specification rather than efficient completeness.

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 generic input schema and lack of an output schema, the description must explain how to specify CMYK values and what the result looks like; it does neither. The sibling tools include similar color converters, so more operational detail is needed to disambiguate usage.

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 is a generic 'params' object with no specific properties, and the description adds little beyond implying the params should contain CMYK values. It does not provide key names, value formats, ranges, or an example, so agents cannot confidently construct the invocation.

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 indicates the tool converts CMYK to HEX and places it in the Colors & Design category, which distinguishes it from unrelated tools. Although it lacks an explicit verb like 'converts', the conversion direction is unambiguous from the name and description.

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 is provided about when to use this tool versus alternatives such as convert_color or hex_to_cmyk. The pricing note is operational, not usage context, and no prerequisites or exclusions are mentioned.

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