wazuh_run_active_response · Wazuh MCP: Risk & Policy

WHAT IT DOES

What wazuh_run_active_response does on Wazuh

AI agents invoke wazuh_run_active_response to trigger actions in Wazuh. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why wazuh_run_active_response needs a policy

Active response tools execute commands on monitored systems and can trigger security operations with real-world side effects (firewall blocks, process termination, etc.). This is Execute-category because it runs operations whose effects depend on arguments and cannot always be trivially undone.

From the tool's definition Tool name 'wazuh_run_active_response' indicates execution of active response actions; 'run' and 'active response' are action verbs that trigger external operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

wazuh_run_active_response Rate-limited

wazuh_run_active_response stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "wazuh_run_active_response": {
      "limits": [
        {
          "counter": "wazuh_run_active_response_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about wazuh_run_active_response

What does the wazuh_run_active_response tool do? +

wazuh_run_active_response. It is categorised as a Execute tool in the Wazuh MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on wazuh_run_active_response? +

Register the Wazuh MCP server in PolicyLayer and add a rule for wazuh_run_active_response: 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.

What risk level is wazuh_run_active_response? +

wazuh_run_active_response is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit wazuh_run_active_response? +

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

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

wazuh_run_active_response is provided by the Wazuh MCP server (sbharadwaj05/wazuh-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.