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remove_expression

Delete an expression applied to a property in Adobe After Effects. Specify the property and optionally the layer or comp to remove unwanted animation logic.

Instructions

Remove expression from a property

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
compIdNo
compNameNo
propertyYes
layerNameNo
layerIndexNo
Behavior2/5

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

No annotations are provided, so the description carries full burden. It only says 'Remove expression' without disclosing side effects, reversibility, failure behavior, or required permissions. This is minimal and insufficient for a mutation tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

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

The description is a single sentence with no fluff, but it is under-specified rather than appropriately concise. It lacks structure or additional context, making it borderline between adequate and insufficient.

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?

Given the tool has 5 parameters, no output schema, and no annotations, the description is severely incomplete. It does not explain return values, parameter relationships, or edge cases, making it inadequate for safe and correct usage.

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

Parameters1/5

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

With schema description coverage at 0% and no parameter details in the description, the agent has no information about what 'property' means or how compId/compName/layerName/layerIndex identify the target. The description fails to compensate for the missing schema info.

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

Purpose5/5

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

The description clearly states the tool's action: 'Remove expression from a property'. It uses a specific verb and resource, and the name 'remove_expression' distinguishes it from siblings like 'set_expression' and 'enable_expression'.

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?

The description provides no guidance on when to use this tool versus alternatives such as set_expression with an empty value or enable_expression with false. It does not mention any conditions or prerequisites, leaving the agent without explicit direction.

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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