list_event_registry

What list_event_registry does on ServiceNow MCP Server

AI agents call list_event_registry to retrieve information from ServiceNow MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why list_event_registry is rated Low

The tool performs a read-only query operation that returns information about registered events. There are no side effects, data modifications, deletions, financial transactions, or code execution involved. The blast radius of misuse is minimal — an attacker would only gain visibility into what events are defined in the system, which may expose some internal ServiceNow architecture but does not enable direct harm.

From the tool's definition Tool name is 'list_event_registry' and description states 'List registered event definitions in the ServiceNow event registry' — this retrieves or queries a list of event definitions without modifying any data.

The rule that runs list_event_registry safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_event_registry, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_event_registry": {}
  }
}

Questions about list_event_registry