High Risk →

security_audit

Run security audit on the range. Args: user_id: Optional user ID (admin only) Returns: Security audit report

How to control security_audit ↓

AI agents invoke security_audit to trigger actions in Ludus FastMCP. 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.

High Risk

Security audits involve scanning, analyzing, and evaluating the cyber range environment for compliance and security posture. This is an Execute category tool because it triggers an external operation (audit process) on the range infrastructure. It is not Read (passive queries only), not Write (does not create/modify resources), not Destructive (audit is non-destructive), not Financial, not Other.

From the tool's definition Tool performs 'Run security audit on the range' — an operation that executes an audit process on infrastructure, which is an external operation whose effects depend on how the range state is evaluated and what results are produced.

Risk signalsAdmin/system-level operation

Documented attack patterns abuse exactly the kind of access security_audit gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and Ludus FastMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for security_audit:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "security_audit": {
      "limits": [
        {
          "counter": "security_audit_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

security_audit 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.

  1. Create a free account and register Ludus FastMCP — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
RATE-LIMIT THIS TOOL →

Free to start. No card required.

Go deeper

What does the security_audit tool do? +

Run security audit on the range. Args: user_id: Optional user ID (admin only) Returns: Security audit report. It is categorised as a Execute tool in the Ludus FastMCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on security_audit? +

Register the Ludus Fast MCP server in PolicyLayer and add a rule for security_audit: 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 Ludus FastMCP. Nothing to install.

What risk level is security_audit? +

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

Can I rate-limit security_audit? +

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

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

security_audit is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ludus FastMCP tool call.

Deterministic rules across all 201 Ludus FastMCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

201 Ludus FastMCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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