AI agents call search_rules to retrieve information from Wazuh without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries Wazuh detection rules based on search criteria. It performs a passive lookup operation that does not modify, create, delete, or execute anything. The blast radius of misuse is minimal—an AI agent could retrieve rules it shouldn't see, but this is an information disclosure risk rather than operational damage. Classified as Read with low severity.
From the tool's definition Tool name is 'search_rules' and description states 'Search Wazuh rules by description text'. The verb 'search' and the action of querying/retrieving rule information indicates a read-only operation with no side effects.
Attacks that exploit this kind of access
Search Wazuh rules by description text. It is categorised as a Read tool in the Wazuh MCP Server, which means it retrieves data without modifying state.
Register the Wazuh MCP server in PolicyLayer and add a rule for search_rules: 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. Nothing to install.
search_rules 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 search_rules 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 search_rules. 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.
search_rules is provided by the Wazuh MCP server (solomonneas/wazuh-mcp). 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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