color_mix

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

No annotations provided. Description fails to disclose any behavioral traits: what mixing entails (e.g., additive, subtractive), output format, or side effects. Extremely opaque.

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?

Description is a single short sentence, making it concise. However, it is under-specified; a slightly longer description could convey essential details without sacrificing conciseness.

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 no output schema or annotations, the description must provide complete context. It fails to explain what 'mix' means, what the output is, or how ratio affects the result. Incomplete for effective use.

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 0%. Description adds no meaning to parameters beyond their names. 'Mix two colors together' does not clarify the role of the ratio parameter or expected input formats (e.g., hex codes, RGB).

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?

Description states verb+object: 'Mix two colors together.' It clearly indicates the tool combines colors, which is specific and distinguishes from siblings like color_info or color_convert, but does not explicitly differentiate from similar tools like color_palette.

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 like color_convert or color_palette. Lacks context about use cases, prerequisites, or limitations.

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