record_event · Audit event MCP: Risk & Policy

WHAT IT DOES

What record_event does on Audit event mcp

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

WHY IT NEEDS A POLICY

Why record_event needs a policy

This tool creates new data (audit events) in a hash-chained log, which is reversible in principle (entries could be archived or marked as superseded). It does not delete, execute code, trigger external operations, or move money. The medium severity reflects that audit log tampering could undermine security transparency, but the impact is contained to audit records rather than production data or system operations.

From the tool's definition Tool description states 'Write one audit event to the hash-chained log' — explicit write operation that creates new audit log entries.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

record_event Rate-limited

record_event 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": {
    "record_event": {
      "limits": [
        {
          "counter": "record_event_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 Audit event mcp, so you can run agents against it safely.

FAQ

Questions about record_event

What does the record_event tool do? +

Write one audit event to the hash-chained log. Returns the event id and chain_hash. It is categorised as a Write tool in the Audit event mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on record_event? +

Register the Audit event MCP server in PolicyLayer and add a rule for record_event: 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 Audit event mcp. Nothing to install.

What risk level is record_event? +

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

Can I rate-limit record_event? +

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

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

record_event is provided by the Audit event MCP server (mightbesaad/audit-event-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.