delete_ssh_key

Delete an SSH key from your profile

SERVERLinode MCP Server SOURCEtakashito/linode-mcp-server

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/takashito-linode-mcp-server/delete-ssh-key.md

WHAT IT DOES

What delete_ssh_key does on Linode MCP Server

AI agents call delete_ssh_key to permanently remove resources in Linode MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why delete_ssh_key is rated Critical

This tool permanently removes SSH keys from the user's Linode profile, which cannot be undone. Deletion of authentication credentials is a destructive action that could lock users out of their infrastructure or disrupt access controls. While not directly impacting data or financial systems, the loss of SSH keys represents an irreversible change to account security configuration with significant operational impact.

From the tool's definition Tool name is 'delete_ssh_key' and description states 'Delete an SSH key from your profile'. The word 'Delete' indicates irreversible removal of authentication credentials.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs delete_ssh_key safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Linode 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 Hidden

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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete_ssh_key"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Linode MCP Server, apply this rule, and every delete_ssh_key call is checked against it from then on.

FAQ

Questions about delete_ssh_key

What does the delete_ssh_key tool do? +

Delete an SSH key from your profile. It is categorised as a Destructive tool in the Linode MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on delete_ssh_key? +

Register the Linode 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 Linode MCP Server. Nothing to install.

What risk level is delete_ssh_key? +

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.

Can I rate-limit delete_ssh_key? +

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.

How do I block delete_ssh_key completely? +

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.

What MCP server provides delete_ssh_key? +

delete_ssh_key is provided by the Linode MCP Server MCP server (takashito/linode-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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