List Next Experience (UI Builder) applications
AI agents call list_ux_apps to retrieve information from ServiceNow-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries a list of UI Builder applications from ServiceNow. There is no indication that it modifies, deletes, executes, or moves resources. It is a straightforward informational query with no destructive or consequential side effects. The low severity reflects minimal blast radius even if called incorrectly by an AI agent.
From the tool's definition Tool name 'list_ux_apps' and description 'List Next Experience (UI Builder) applications' indicate a retrieval operation with no side effects. The verb 'list' is a canonical Read operation.
Attacks that exploit this kind of access
List Next Experience (UI Builder) applications. It is categorised as a Read tool in the ServiceNow-MCP MCP Server, which means it retrieves data without modifying state.
Register the ServiceNow- MCP server in PolicyLayer and add a rule for list_ux_apps: 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. Nothing to install.
list_ux_apps is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_ux_apps 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.
Set action: deny in the PolicyLayer policy for list_ux_apps. 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.
list_ux_apps is provided by the ServiceNow- MCP server (tedorigawa001/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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