track_align_end_to_end

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

No annotations are provided, so the description carries the full burden. While it explains the alignment concept, it fails to disclose whether this operation is destructive (modifies existing track positions), reversible, or if it affects clip timing vs. track order. For a state-modifying audio operation, this is a significant gap.

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 short sentences with zero redundancy. The primary action is front-loaded in the first sentence, and the prerequisite is clearly stated in the second. Every word earns its place.

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 tool's simplicity (zero parameters, no output schema) and the domain context, the description is nearly complete. It adequately covers the 'what' and 'how to prepare,' though it could improve by noting whether the alignment is permanent or if tracks are copied rather than moved.

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 tool has zero parameters, establishing a baseline of 4. The description adds value by referencing the implicit input ('selected tracks'), clarifying that track selection via other tools (like track_select) is the intended input mechanism.

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 specific action (align end-to-end/sequentially) and resource (tracks), distinguishing it from siblings like track_mix_and_render or track_set_properties. The parenthetical '(sequentially)' reinforces the exact arrangement pattern.

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 an explicit prerequisite ('Select the tracks first'), which is crucial context given the zero-parameter schema. However, it does not explicitly name alternative tools (like track_mix_and_render) or state when NOT to use this tool.

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