sigmodx_log_anomaly_decision · Sigmodx MCP: Risk & Policy

WHAT IT DOES

What sigmodx_log_anomaly_decision does on Sigmodx

AI agents use sigmodx_log_anomaly_decision to create or update resources in Sigmodx — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sigmodx environment.

WHY IT NEEDS A POLICY

Why sigmodx_log_anomaly_decision needs a policy

This tool creates a log record of an anomaly detection decision. It is a Write operation (creating a new audit log entry) with no indication of irreversibility or financial impact. Misuse could result in false or misleading audit records, which has medium severity in a financial audit infrastructure context.

From the tool's definition 'Log an anomaly detection decision to Sigmodx' — the tool writes/records a decision entry to an audit log system

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sigmodx_log_anomaly_decision Rate-limited

sigmodx_log_anomaly_decision stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sigmodx_log_anomaly_decision": {
      "limits": [
        {
          "counter": "sigmodx_log_anomaly_decision_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about sigmodx_log_anomaly_decision

What does the sigmodx_log_anomaly_decision tool do? +

Log an anomaly detection decision to Sigmodx. Use when. It is categorised as a Write tool in the Sigmodx MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sigmodx_log_anomaly_decision? +

Register the Sigmodx MCP server in PolicyLayer and add a rule for sigmodx_log_anomaly_decision: 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 Sigmodx. Nothing to install.

What risk level is sigmodx_log_anomaly_decision? +

sigmodx_log_anomaly_decision is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit sigmodx_log_anomaly_decision? +

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

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

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