set_track_send

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

With no annotations, the description carries the full burden. It discloses the value range (0.0 to 1.0) and indexing semantics (zero-based, corresponds to return track order), which are useful. However, it does not mention side effects like automation overrides, error handling for invalid indices, or whether the change is immediate.

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 clear purpose sentence followed by a compact Args listing. Every sentence earns its place, with no fluff or repetition of schema data. The structure is easy to parse and front-loaded.

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 tool, the description covers the essential aspects: what it does, all parameter meanings, and value constraints. It does not explain return values, but an output schema exists, so that burden is reduced. Lacking are usage guidelines and edge-case behavior, but overall it is sufficient for basic invocation.

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 provides only titles with zero description coverage, so the description fully compensates. It explains track_index as zero-based source track, send_index as zero-based send matching return track order, and value with an explicit range from 0.0 to 1.0. Every parameter is meaningfully documented.

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 uses a specific verb+resource construction: 'Set the send level from a track to a return track.' It clearly distinguishes this from sibling tools like set_track_volume or set_return_track_send by specifying the source and destination, making the purpose unambiguous.

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. It does not mention prerequisites (e.g., existence of return tracks) or scenarios where this should be preferred over similar send-related tools. The only contextual information is the parameter descriptions.

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