ae_animate_property
Create complete property animations with start/end keyframes and easing in one command
This record as markdown: /tools/ae/ae-animate-property.md
What ae_animate_property does on Ae
AI agents use ae_animate_property to create or update resources in Ae, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ae environment.
Why ae_animate_property is rated Medium
This tool creates keyframes and animation data within After Effects compositions. It writes/modifies project data (adding keyframes to properties) but does not execute code, delete data, or involve financial transactions. The effect is reversible (keyframes can be removed), placing it in the Write category. Severity is medium as misuse could corrupt animation timelines or disrupt creative work.
From the tool's definition Create complete property animations with start/end keyframes and easing in one command
Attacks that exploit this kind of access
The rule that runs ae_animate_property safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ae, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For ae_animate_property, this is the rule to start with:
ae_animate_property 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Ae, apply this rule, and every ae_animate_property call is checked against it from then on.
Questions about ae_animate_property
Create complete property animations with start/end keyframes and easing in one command. It is categorised as a Write tool in the Ae MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Ae MCP server in PolicyLayer and add a rule for ae_animate_property: 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 Ae. Nothing to install.
ae_animate_property is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the ae_animate_property 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.
Set action: deny in the PolicyLayer policy for ae_animate_property. 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.
ae_animate_property is provided by the Ae MCP server (ae-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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