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brandkickagency

After Effects MCP Server

run-script

Execute a script command in Adobe After Effects to automate tasks, with optional parameters for customizing the script's behavior.

Instructions

Run a script command in After Effects. Use getHelp to see all available commands.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
scriptYesName of the script to run
parametersNoOptional parameters for the script
Behavior1/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It only restates the action and points to getHelp, with no mention of side effects, project requirements, safety risks, or return value expectations.

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

Conciseness5/5

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

Two concise sentences, no fluff. The first sentence states the purpose, and the second gives a useful pointer to getHelp. Well-structured and front-loaded.

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

Completeness2/5

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

For a generic and potentially powerful script execution tool, the description is minimal. It lacks behavioral caveats, error information, and context on what scripts can or cannot do, making it incomplete for safe and correct invocation.

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?

The input schema already documents both parameters with 100% coverage. The description adds no additional meaning beyond the schema, which is the baseline case.

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

Purpose4/5

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

The description clearly states the tool runs a script command in After Effects, using a specific verb and resource. It is somewhat generic but distinguishes itself from the more specific sibling tools by being the generic script execution entry point.

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

Usage Guidelines4/5

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

The description explicitly tells users to use getHelp to see available commands, providing useful prerequisite context. However, it does not explicitly contrast run-script with sibling tools or state when to use it over them.

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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