mikrotik_set_user_ssh_keys · MikroTik MCP: Risk & Policy

WHAT IT DOES

What mikrotik_set_user_ssh_keys does on MikroTik MCP

AI agents use mikrotik_set_user_ssh_keys to create or update resources in MikroTik MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MikroTik MCP environment.

WHY IT NEEDS A POLICY

Why mikrotik_set_user_ssh_keys needs a policy

This tool modifies security-sensitive user configuration (SSH public keys) which affects access control. While reversible (keys can be replaced or removed), it creates or updates data that controls who can authenticate to the device. Misuse by an AI agent could lock out legitimate users or grant unauthorized SSH access.

From the tool's definition Tool name 'mikrotik_set_user_ssh_keys' and description 'Sets SSH public keys for a user' indicate modification of authentication credentials for user accounts on a MikroTik RouterOS device.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mikrotik_set_user_ssh_keys Rate-limited

mikrotik_set_user_ssh_keys 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": {
    "mikrotik_set_user_ssh_keys": {
      "limits": [
        {
          "counter": "mikrotik_set_user_ssh_keys_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MikroTik MCP, so you can run agents against it safely.

FAQ

Questions about mikrotik_set_user_ssh_keys

What does the mikrotik_set_user_ssh_keys tool do? +

Sets SSH public keys for a user. It is categorised as a Write tool in the MikroTik MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mikrotik_set_user_ssh_keys? +

Register the MikroTik MCP server in PolicyLayer and add a rule for mikrotik_set_user_ssh_keys: 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 MikroTik MCP. Nothing to install.

What risk level is mikrotik_set_user_ssh_keys? +

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

Can I rate-limit mikrotik_set_user_ssh_keys? +

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

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

mikrotik_set_user_ssh_keys is provided by the MikroTik MCP server (tarcisiodier/mcp-mikrotik). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.