This record as markdown: /tools/cbrown35-20i-mcp/restore-ftp-backup.md
What restore_ftp_backup does on 20i MCP Server
AI agents call restore_ftp_backup to permanently remove resources in 20i MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why restore_ftp_backup is rated Critical
Restoring a backup replaces current live data (files, databases, configurations) with older versions, which is an irreversible overwrite operation. Any changes made since the backup was taken would be permanently lost. This qualifies as Destructive with critical severity given the potential to wipe all current website data across potentially many hosted services.
From the tool's definition restore_ftp_backup: 'Restore backup file uploaded via FTP' — restoring a backup overwrites existing data irreversibly
Attacks that exploit this kind of access
The rule that runs restore_ftp_backup safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For restore_ftp_backup, this is the rule to start with:
restore_ftp_backup is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect 20i MCP Server, apply this rule, and every restore_ftp_backup call is checked against it from then on.
Questions about restore_ftp_backup
Restore backup file uploaded via FTP. It is categorised as a Destructive tool in the 20i MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the 20i MCP Server MCP server in PolicyLayer and add a rule for restore_ftp_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 20i MCP Server. Nothing to install.
restore_ftp_backup 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 restore_ftp_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_ftp_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_ftp_backup is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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