render_approved_trailer_videos

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states the action and outcome (render and download to local folder) but does not mention potential side effects such as overwriting existing files, API costs, required permissions, or failure modes. It is not misleading but lacks depth for a tool that likely mutates filesystem state.

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, front-loaded sentence that conveys the core action and object with zero filler. It earns its place and is immediately understandable.

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 simple two-parameter schema and lack of an output schema, the description is adequately complete for guiding basic selection and invocation. However, more context about prerequisites (e.g., 'approved' status) or pipeline integration could be beneficial, but the current level is sufficient for most agents.

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 input schema already provides 100% coverage with descriptions for both parameters (output_folder and approved_shots). The description adds minor semantic context by associating 'local media folder' with output_folder and 'approved storyboard keyframes' with approved_shots, but no additional parameter-level detail beyond the schema.

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 tool's purpose: 'Render the final Veo 3.1 video clips from approved storyboard keyframes and download them to your local media folder.' It uses specific verbs ('render', 'download'), identifies the resource (video clips from approved storyboard keyframes), and distinguishes itself from sibling tools like generate_video or generate_storyboard by focusing on the final rendering step from approved keyframes.

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 phrase 'from approved storyboard keyframes' provides clear context for when to use this tool: when you have human-approved storyboard shots and need final rendered videos. It does not explicitly name alternatives or exclusions, but the context is unambiguous enough to guide selection among similar tools like generate_video_from_image.

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