unity_editorprefs_delete

Delete an EditorPrefs key.

SERVERUnity MCP Server SOURCEanklebreaker-studio/unity-mcp-server

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/anklebreaker-studio-unity-mcp-server/unity-editorprefs-delete.md

WHAT IT DOES

What unity_editorprefs_delete does on Unity MCP Server

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

RISK

Why unity_editorprefs_delete is rated Critical

EditorPrefs stores configuration and state data for the Unity Editor. Deleting keys cannot be undone programmatically and will remove editor settings/preferences. This is irreversible data loss, placing it in the Destructive category rather than Write.

From the tool's definition The tool name is 'unity_editorprefs_delete' and description states it will 'Delete an EditorPrefs key.' The verb 'Delete' and action of removing a key from EditorPrefs (Unity's persistent editor-level preferences storage) is irreversible data destruction.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_editorprefs_delete safely

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

unity_editorprefs_delete Hidden

unity_editorprefs_delete 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": [
    "unity_editorprefs_delete"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about unity_editorprefs_delete

What does the unity_editorprefs_delete tool do? +

Delete an EditorPrefs key. It is categorised as a Destructive tool in the Unity MCP Server 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 unity_editorprefs_delete? +

Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_editorprefs_delete: 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 Unity MCP Server. Nothing to install.

What risk level is unity_editorprefs_delete? +

unity_editorprefs_delete 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 unity_editorprefs_delete? +

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

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

unity_editorprefs_delete is provided by the Unity MCP Server MCP server (anklebreaker-studio/unity-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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