list_transform_field_maps

List field-level mappings within a Transform Map

SERVERServiceNow MCP Server SOURCE@aartiq/servicenow-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/servicenow-mcp-server/list-transform-field-maps.md

WHAT IT DOES

What list_transform_field_maps does on ServiceNow MCP Server

AI agents call list_transform_field_maps 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.

RISK

Why list_transform_field_maps is rated Low

This tool retrieves or queries metadata about transform field mappings. The verb 'list' and the absence of any modification language (create, update, delete, set) confirm this is a read-only operation. Exposure of this mapping metadata has minimal security impact—it does not execute external operations, modify data, or cause irreversible changes. Low severity due to limited blast radius if misused.

From the tool's definition Tool name 'list_transform_field_maps' and description 'List field-level mappings within a Transform Map' indicate a retrieval/query operation that returns field mappings without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

list_transform_field_maps Allowed

list_transform_field_maps is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow MCP Server, apply this rule, and every list_transform_field_maps call is checked against it from then on.

FAQ

Questions about list_transform_field_maps

What does the list_transform_field_maps tool do? +

List field-level mappings within a Transform Map. It is categorised as a Read tool in the ServiceNow MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_transform_field_maps? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for list_transform_field_maps: 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 ServiceNow MCP Server. Nothing to install.

What risk level is list_transform_field_maps? +

list_transform_field_maps is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_transform_field_maps? +

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

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

list_transform_field_maps is provided by the ServiceNow MCP Server MCP server (@aartiq/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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