backup_file

Copy a remote file to a timestamped root backup directory.

SERVERMcp Control Plane SOURCEalbertik322-sudo/mcp-control-plane

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-control-plane/backup-file.md

WHAT IT DOES

What backup_file does on Mcp Control Plane

AI agents use backup_file to create or update resources in Mcp Control Plane, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Control Plane environment.

RISK

Why backup_file is rated Medium

This tool copies a file to a backup location, which is a Write operation (creating a new file). It does not delete or overwrite the original, so it is not Destructive. However, writing to a root backup directory could have moderate blast radius if misused (e.g., filling disk space or exposing sensitive files in a backup location).

From the tool's definition Copy a remote file to a timestamped root backup directory

Risk signalsAdmin/system-level operation

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs backup_file safely

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

backup_file Rate-limited

backup_file 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": {
    "backup_file": {
      "limits": [
        {
          "counter": "backup_file_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Control Plane, apply this rule, and every backup_file call is checked against it from then on.

FAQ

Questions about backup_file

What does the backup_file tool do? +

Copy a remote file to a timestamped root backup directory. It is categorised as a Write tool in the Mcp Control Plane MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on backup_file? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for backup_file: 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 Mcp Control Plane. Nothing to install.

What risk level is backup_file? +

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

Can I rate-limit backup_file? +

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

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

backup_file is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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