list_device_presets

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

With no annotations, the description carries the burden of behavioral disclosure. 'List' and 'stored' convey that this is a read-only operation on saved presets, which is useful. However, it does not disclose ordering, whether built-in presets are included, what fields are returned, or how the tool relates to current device state.

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, specific, front-loaded sentence with no filler or redundant detail. Every word contributes to understanding the tool's purpose.

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 list tool with one optional and fully documented parameter, the description plus schema are largely sufficient for basic invocation. It lacks some output-shape and ordering detail, but the core behavior and resource are clear enough that an agent can call the tool confidently.

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 only parameter, response_format, is fully documented by the schema with an enum, default value, and per-value description. The tool description adds no additional parameter meaning, but the schema-coverage baseline already applies, so a 3 is appropriate.

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 states a specific action ('List') and a concrete resource ('stored device name labels and volume presets'), making the tool's purpose immediately understandable. It is also distinguishable from siblings like get_devices, set_device_volume_preset, and apply_device_presets by emphasizing stored presets rather than live device state.

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 get_devices, compare_devices, or set_device_volume_preset. The description does not state conditions, exclusions, or preferred scenarios, so an agent must infer usage from the name and sibling context alone.

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