Set volume

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

With no annotations, the description carries the burden of explaining behavior. It clearly communicates the mutating action and the two volume input styles, but it does not disclose potential side effects, clamping behavior for relative changes that exceed 0-100, error handling, or what happens if no player is specified. These are useful context gaps for a simple setter.

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 a single sentence with no filler. It front-loads the core operation and then immediately gives the two accepted value formats, which is exactly the information an agent needs without extra words.

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?

For a simple volume setter, the description plus schema covers the essential information: what the tool does, the valid volume forms, and the optional player target. It does not specify the return value or error behavior, but the absence of an output schema and the tool's simplicity make the current definition reasonably 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?

Schema description coverage is about 50%: the 'player' parameter is described in the schema, but 'volume' is not. The description adds the human-readable meaning for volume, explaining that numeric values are absolute and string values are relative changes. This compensates for the schema gap and clarifies the intent of the pattern.

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 action ('Set') and the target resource ('volume'), and specifies the allowed forms: absolute 0-100 or relative changes like +5/-10. This makes it easy to distinguish from sibling tools such as seek, set_power, or play_music, which address different controls.

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 implies the tool is for volume adjustment, but it never explicitly says when to use it versus alternatives or lists exclusions. An agent can infer the use case from the name and description, but there is no direct guidance on when not to use it or when another tool would be more appropriate.

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