What delete_ssh_key does on cPanel MCP Server
AI agents call delete_ssh_key to permanently remove resources in cPanel MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why delete_ssh_key is rated Critical
Deleting an SSH key is a destructive action that cannot be undone—the key is permanently removed from the system. While not as broad as account deletion, removing SSH keys eliminates authentication pathways and could lock out legitimate users or disrupt deployment pipelines.
From the tool's definition Tool name is 'delete_ssh_key' with description 'Delete an SSH key'. The verb 'delete' indicates irreversible removal of authentication credentials.
Attacks that exploit this kind of access
The rule that runs delete_ssh_key safely
PolicyLayer is an MCP gateway: it sits between your AI agents and cPanel MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For delete_ssh_key, this is the rule to start with:
delete_ssh_key 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 cPanel MCP Server, apply this rule, and every delete_ssh_key call is checked against it from then on.
Questions about delete_ssh_key
Delete an SSH key. It is categorised as a Destructive tool in the cPanel MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the cPanel MCP Server MCP server in PolicyLayer and add a rule for delete_ssh_key: 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.
delete_ssh_key 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_ssh_key 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_ssh_key. 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_ssh_key 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.
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