Lists SSH keys for a specific user
AI agents call mikrotik_list_user_ssh_keys to retrieve information from MikroTik MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read operation that queries and retrieves SSH public key information from a MikroTik RouterOS device. While it has no direct side effects, the severity is elevated to medium because SSH keys are sensitive authentication credentials whose exposure could enable unauthorized access to the router or systems the user can connect to.
From the tool's definition Tool name explicitly states 'list' which retrieves data; description confirms it 'Lists SSH keys for a specific user' with no modification or deletion.
Attacks that exploit this kind of access
Lists SSH keys for a specific user. It is categorised as a Read tool in the MikroTik MCP MCP Server, which means it retrieves data without modifying state.
Register the MikroTik MCP server in PolicyLayer and add a rule for mikrotik_list_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.
mikrotik_list_user_ssh_keys is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the mikrotik_list_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.
Set action: deny in the PolicyLayer policy for mikrotik_list_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.
mikrotik_list_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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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