get_cluster_nodes · Wazuh MCP Server MCP: Risk & Policy

WHAT IT DOES

What get_cluster_nodes does on Wazuh MCP Server

AI agents call get_cluster_nodes to retrieve information from Wazuh MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get_cluster_nodes needs a policy

This tool retrieves cluster node information from the Wazuh platform. The 'get_' prefix and consistency with sibling read-only tools strongly indicate it queries/retrieves data without side effects. No modification or execution capability is implied.

From the tool's definition Tool name 'get_cluster_nodes' follows the 'get_*' pattern consistent with other read-only tools on this server (get_active_configuration, get_agent_component_stats, get_agent_daemon_stats, get_agent_hardware, get_agent_hotfixes, get_agent_key,…

Attacks that exploit this kind of access

Questions about get_cluster_nodes

What does the get_cluster_nodes tool do? +

get_cluster_nodes. It is categorised as a Read tool in the Wazuh MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_cluster_nodes? +

Register the Wazuh MCP Server MCP server in PolicyLayer and add a rule for get_cluster_nodes: 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 Wazuh MCP Server. Nothing to install.

What risk level is get_cluster_nodes? +

get_cluster_nodes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_cluster_nodes? +

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

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

get_cluster_nodes is provided by the Wazuh MCP Server MCP server (rayasatriatama/wazuh-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.