Delete a folder from the workspace folder
AI agents call delete_folder to permanently remove resources in Node Dev MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly deletes data (an entire folder and its contents) without the ability to undo the operation. Folder deletion cannot be reversed and destroys potentially significant amounts of code, configuration, or other data in a development workspace. This qualifies as Destructive rather than Execute because the outcome is inherently destructive regardless of the folder path provided.
From the tool's definition Tool name is 'delete_folder' and description states it will 'Delete a folder from the workspace folder'. The verb 'delete' combined with folder-level scope indicates irreversible removal of potentially multiple files and directory structures.
Attacks that exploit this kind of access
Delete a folder from the workspace folder. It is categorised as a Destructive tool in the Node Dev MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Node Dev MCP Server MCP server in PolicyLayer and add a rule for delete_folder: 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 Node Dev MCP Server. Nothing to install.
delete_folder is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the delete_folder 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 delete_folder. 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.
delete_folder is provided by the Node Dev MCP Server MCP server (liamcarver/node-dev-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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