set_track_volume

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

No annotations provided; description only mentions the volume range. It does not disclose that this is a mutating operation, prerequisites (e.g., track must exist), side effects, or reversibility. The burden falls entirely on the description, which is insufficient.

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?

Two sentences, no wasted words. The range is front-loaded. However, it could be more concise by omitting the generic 'Set track volume' and relying on the title, but overall efficient.

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 two-parameter tool with zero schema coverage and no annotations, the description should compensate but does not. It fails to explain what 'track_index' refers to, leaving the agent potentially unable to use the tool correctly.

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%. The description partially explains the 'volume' parameter's range but does not mention 'track_index' at all, leaving its meaning ambiguous. No enum or format details provided.

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 track volume') and the specific resource. The range (0.0 to 1.0) adds precision. It is distinct from sibling tools like set_track_mute or set_track_pan.

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 set_track_mute or set_track_pan. The description implies usage when changing volume but does not provide explicit context or exclusions.

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