unfold_track

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

Without annotations, the description must disclose behavior. It only says 'Unfold (expand) a group track', which conveys the fundamental effect but no additional behavioral traits. There is no mention of whether this is a view-only operation, whether it modifies the track, what happens if the track is not a group track, or any side effects. This is minimal disclosure for a state-changing operation.

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 extremely concise: one action sentence followed by a single parameter description. Every sentence earns its place, and it is front-loaded with the purpose. There is no redundancy or fluff, making it easy for an agent to parse quickly.

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 lack of annotations and output schema, the description carries the full burden. It does not explain the broader context, such as being the inverse of 'fold_track', or provide any details about return values or error handling. For a simple tool this might be minimally acceptable, but the description is incomplete for an agent to fully understand the operation's behavior and constraints.

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 schema has 0% description coverage, so the description's parameter explanation 'track_index: The index of the group track' does add some meaning beyond the bare schema. However, it lacks details such as zero-based vs one-based indexing, range constraints, or behavior for invalid indexes. It partially compensates but is not comprehensive.

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: 'Unfold (expand) a group track.' This is a specific verb and resource combination. While it does not explicitly mention sibling 'fold_track', the term 'unfold' is self-explanatory and distinguishes the tool's purpose sufficiently.

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 provides no guidance on when to use this tool versus alternatives, such as 'fold_track' or 'create_group_track'. It lacks context about prerequisites, like ensuring the track is a group track, or when unfolding is appropriate. There is no mention of exclusions or alternative use cases.

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