get_table_schema

What get_table_schema does on ServiceNow MCP Server

AI agents call get_table_schema 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 get_table_schema is rated Low

This tool retrieves structural information about ServiceNow tables without side effects. It is a straightforward data query operation that returns schema metadata. The blast radius of misuse is minimal—an agent gaining unauthorized access to table schemas could perform reconnaissance, but cannot modify data, execute operations, or cause financial harm. This is purely informational Read category access.

From the tool's definition Tool name 'get_table_schema' and description 'Get the structure and field information for a ServiceNow table' indicate a read-only retrieval of metadata about table schemas. No modification, execution, or deletion occurs.

The rule that runs get_table_schema 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 get_table_schema, this is the rule to start with:

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

Questions about get_table_schema