apply-effect

Apply an effect to a layer in After Effects

SERVERAos SOURCE@hybridlabor-api/aos

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/hybridlabor-api-aos/apply-effect.md

WHAT IT DOES

What apply-effect does on Aos

AI agents use apply-effect to create or update resources in Aos, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Aos environment.

RISK

Why apply-effect is rated Medium

This tool modifies a layer by adding an effect to it, which is a reversible write operation. Effects can typically be removed, so this is not destructive. The blast radius is medium since it modifies project data but doesn't delete anything or execute arbitrary code.

From the tool's definition Apply an effect to a layer in After Effects

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs apply-effect safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Aos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For apply-effect, this is the rule to start with:

apply-effect Rate-limited

apply-effect stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "apply-effect": {
      "limits": [
        {
          "counter": "apply-effect_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Aos, apply this rule, and every apply-effect call is checked against it from then on.

FAQ

Questions about apply-effect

What does the apply-effect tool do? +

Apply an effect to a layer in After Effects. It is categorised as a Write tool in the Aos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on apply-effect? +

Register the Aos MCP server in PolicyLayer and add a rule for apply-effect: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Aos. Nothing to install.

What risk level is apply-effect? +

apply-effect is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit apply-effect? +

Yes. Add a rate_limit block to the apply-effect rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block apply-effect completely? +

Set action: deny in the PolicyLayer policy for apply-effect. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides apply-effect? +

apply-effect is provided by the Aos MCP server (@hybridlabor-api/aos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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