remove_input_action_modifier

Remove a modifier from an Input Action by index.

SERVERUnreal-MCP SOURCEaadeshrao123/unreal-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aadeshrao123-unreal-mcp/remove-input-action-modifier.md

WHAT IT DOES

What remove_input_action_modifier does on Unreal-MCP

AI agents call remove_input_action_modifier to permanently remove resources in Unreal-MCP, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why remove_input_action_modifier is rated Critical

This tool removes a modifier from an Input Action asset by index, which is a destructive operation that deletes a configuration element. While the impact is limited to input action configuration within the Unreal Engine editor, the deletion cannot be undone without manual re-creation, making it Destructive rather than Write.

From the tool's definition 'Remove a modifier from an Input Action by index' — removing a modifier is an irreversible deletion of a configured element

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs remove_input_action_modifier safely

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

remove_input_action_modifier Hidden

remove_input_action_modifier is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "remove_input_action_modifier"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about remove_input_action_modifier

What does the remove_input_action_modifier tool do? +

Remove a modifier from an Input Action by index. It is categorised as a Destructive tool in the Unreal-MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on remove_input_action_modifier? +

Register the Unreal MCP server in PolicyLayer and add a rule for remove_input_action_modifier: 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 Unreal-MCP. Nothing to install.

What risk level is remove_input_action_modifier? +

remove_input_action_modifier is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit remove_input_action_modifier? +

Yes. Add a rate_limit block to the remove_input_action_modifier 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 remove_input_action_modifier completely? +

Set action: deny in the PolicyLayer policy for remove_input_action_modifier. 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 remove_input_action_modifier? +

remove_input_action_modifier is provided by the Unreal MCP server (aadeshrao123/unreal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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