Critical Risk →

filesystem_preview_delete

Preview a project-local delete operation without deleting files

How to control filesystem_preview_delete ↓

AI agents call filesystem_preview_delete to permanently remove resources in Godot Devtool — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Critical Risk

Although the tool is described as a 'preview' (suggesting it may not perform the actual deletion), the core purpose is to preview a delete operation on project files. Delete operations are irreversible and fall into the Destructive category.

From the tool's definition Tool name contains 'delete' and description explicitly mentions 'delete operation'. The term 'preview' suggests the operation is not actually executed, but the tool is clearly designed to facilitate file deletion, which is irreversible.

Documented attack patterns abuse exactly the kind of access filesystem_preview_delete gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Godot Devtool, and nothing reaches the server without passing your rules. This is the rule we recommend for filesystem_preview_delete:

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "filesystem_preview_delete"
  ]
}

filesystem_preview_delete disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

  1. Create a free account and register Godot Devtool — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
RESTRICT THIS TOOL →

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Go deeper

What does the filesystem_preview_delete tool do? +

Preview a project-local delete operation without deleting files. It is categorised as a Destructive tool in the Godot Devtool 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 filesystem_preview_delete? +

Register the Godot Devtool MCP server in PolicyLayer and add a rule for filesystem_preview_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 Godot Devtool. Nothing to install.

What risk level is filesystem_preview_delete? +

filesystem_preview_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 filesystem_preview_delete? +

Yes. Add a rate_limit block to the filesystem_preview_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 filesystem_preview_delete completely? +

Set action: deny in the PolicyLayer policy for filesystem_preview_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 filesystem_preview_delete? +

filesystem_preview_delete is provided by the Godot Devtool MCP server (wangdiandao/godot-devtool). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Godot Devtool tool call.

Deterministic rules across all 101 Godot Devtool tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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101 Godot Devtool tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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