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test-animation

Test keyframe or expression animation on a specific composition and layer in After Effects.

Instructions

Test animation functionality in After Effects

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
compIndexYesComposition index (usually 1)
operationYesThe animation operation to test
layerIndexYesLayer index (usually 1)
Behavior2/5

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

No annotations provided, so the description must disclose behavioral traits. It only states 'test', implying no permanent changes, but does not confirm side effects, permissions, or whether the operation is destructive. This lack of clarity 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.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single sentence, but it is under-specified rather than concise. It lacks detail about the tool's operation, making it information-poor and not earning its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema and no annotations, the description fails to explain return values or results of 'testing'. For a tool with 3 required parameters, the description is wholly inadequate, lacking context about expected outcomes or errors.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% with clear per-parameter descriptions (e.g., 'Composition index (usually 1)'). The tool description adds no additional meaning beyond the schema, meeting the baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description 'Test animation functionality in After Effects' is vague and nearly a tautology with the tool name. It does not specify what 'test' means (e.g., validation, preview, or dry run) nor the specific animation aspects being tested, failing to distinguish it from siblings like setLayerKeyframe or setLayerExpression.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives. Sibling tools like setLayerKeyframe and setLayerExpression exist for directly setting animation properties, but the description provides no context for when 'testing' is appropriate or what prerequisites exist.

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

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