Set mixer track name

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

The description indicates a mutation (rename), consistent with annotations (readOnlyHint=false). Annotations already provide idempotent and non-destructive hints, so the description adds minimal extra behavioral context. It lacks details on error handling or constraints (e.g., invalid track index).

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 of 5 words, very concise. It front-loads the action. Could include a brief note about track indexing, but overall it is efficient and clear.

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 setter with two parameters and an output schema, the description is adequate. It does not need to explain return values since output schema exists. It is complete enough for typical usage, though lacks validation details.

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?

Input schema has no descriptions for parameters (coverage 0%), but the parameters are self-explanatory: track (integer) and name (string). The description implicitly covers both, but does not explain track indexing (e.g., 0-based) or name constraints. A 3 is appropriate given simplicity.

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 'Rename a mixer track' clearly specifies the action (rename) and the resource (mixer track). It distinguishes this tool from siblings like fl_set_mixer_volume or fl_set_mixer_mute which modify other properties.

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 does not explicitly state when to use this tool versus alternatives. However, it is straightforward and the usage context is implied: use it when you need to rename a specific mixer track. No exclusions or when-not-to-use guidance.

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