snow_create_ux_page_macroponent
STEP 3: Create Page Macroponent Record (sys_ux_macroponent) - Defines the actual page content that will be displayed.
This record as markdown: /tools/serac/snow-create-ux-page-macroponent.md
What snow_create_ux_page_macroponent does on Serac
AI agents use snow_create_ux_page_macroponent to create or update resources in Serac, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Serac environment.
Why snow_create_ux_page_macroponent is rated Medium
This tool creates/modifies a data record (sys_ux_macroponent) in ServiceNow, which is a reversible Write operation. The severity is high because creating or modifying UI page components in an enterprise system could affect user experience at scale, expose sensitive UI logic, or enable injection of malicious content into pages served to end users.
From the tool's definition 'Create Page Macroponent Record' — creates a new sys_ux_macroponent record in ServiceNow, which defines page content displayed to users.
Attacks that exploit this kind of access
The rule that runs snow_create_ux_page_macroponent safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Serac, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For snow_create_ux_page_macroponent, this is the rule to start with:
snow_create_ux_page_macroponent 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Serac, apply this rule, and every snow_create_ux_page_macroponent call is checked against it from then on.
Questions about snow_create_ux_page_macroponent
STEP 3: Create Page Macroponent Record (sys_ux_macroponent) - Defines the actual page content that will be displayed. It is categorised as a Write tool in the Serac MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Serac MCP server in PolicyLayer and add a rule for snow_create_ux_page_macroponent: 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 Serac. Nothing to install.
snow_create_ux_page_macroponent is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the snow_create_ux_page_macroponent 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 snow_create_ux_page_macroponent. 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.
snow_create_ux_page_macroponent is provided by the Serac MCP server (serac-labs/serac). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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