filesystem_copy · Chicken Business Management MCP Server MCP

WHAT IT DOES

What filesystem_copy does on Chicken Business Management MCP Server

AI agents use filesystem_copy to create or update resources in Chicken Business Management MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Chicken Business Management MCP Server environment.

WHY IT NEEDS A POLICY

Why filesystem_copy needs a policy

File copying is a write operation that creates new data (the copied file) without permanently destroying anything. It is reversible — the copied file can be deleted. This is less severe than destructive operations (which cannot be undone) but more severe than read-only operations.

From the tool's definition Tool name is 'filesystem_copy' and description states 'Copy file with business metadata preservation'. The action of copying creates a new file, which is a reversible write operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

filesystem_copy Rate-limited

filesystem_copy 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "filesystem_copy": {
      "limits": [
        {
          "counter": "filesystem_copy_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Chicken Business Management MCP Server, so you can run agents against it safely.

FAQ

Questions about filesystem_copy

What does the filesystem_copy tool do? +

Copy file with business metadata preservation. It is categorised as a Write tool in the Chicken Business Management MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on filesystem_copy? +

Register the Chicken Business Management MCP Server MCP server in PolicyLayer and add a rule for filesystem_copy: 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 Chicken Business Management MCP Server. Nothing to install.

What risk level is filesystem_copy? +

filesystem_copy is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit filesystem_copy? +

Yes. Add a rate_limit block to the filesystem_copy 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_copy completely? +

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

filesystem_copy is provided by the Chicken Business Management MCP Server MCP server (psyger02/mcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.