AI agents use restore_file_backup to create or update resources in cPanel MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your cPanel MCP Server environment.
File restoration is a write operation that modifies existing files reversibly (the previous state remains in backups). While it has significant blast radius in a hosting environment (could overwrite critical application files, configuration, or user data), it does not irreversibly destroy data (Destructive category requires permanent deletion/loss).
From the tool's definition Tool named 'restore_file_backup' with description 'Restore a file from a backup' indicates file restoration—a reversible write operation that modifies the current state by overwriting files with backup versions.
Documented attack patterns abuse exactly the kind of access restore_file_backup gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and cPanel MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for restore_file_backup:
{
"version": "1",
"default": "deny",
"tools": {
"restore_file_backup": {
"limits": [
{
"counter": "restore_file_backup_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}restore_file_backup 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.
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Restore a file from a backup. It is categorised as a Write tool in the cPanel MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the cPanel MCP Server MCP server in PolicyLayer and add a rule for restore_file_backup: 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 cPanel MCP Server. Nothing to install.
restore_file_backup is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the restore_file_backup 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 restore_file_backup. 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.
restore_file_backup is provided by the cPanel MCP Server MCP server (0xhayd3n/cpanel-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from cPanel MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
164 cPanel MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.