update_uib_page
Update an existing UI Builder page. [Write]
This record as markdown: /tools/nowaikit-servicenow-ai-toolkit/update-uib-page.md
What update_uib_page does on NowAIKit — ServiceNow AI Toolkit
AI agents use update_uib_page to create or update resources in NowAIKit — ServiceNow AI Toolkit, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your NowAIKit — ServiceNow AI Toolkit environment.
Why update_uib_page is rated Medium
This tool modifies UI Builder pages in ServiceNow, which are configuration and presentation layer assets. Updates are reversible (pages can be reverted or modified again), classifying it as Write rather than Execute or Destructive.
From the tool's definition Tool name 'update_uib_page' and description 'Update an existing UI Builder page' with explicit '[Write]' tag indicate data modification.
Attacks that exploit this kind of access
The rule that runs update_uib_page safely
PolicyLayer is an MCP gateway: it sits between your AI agents and NowAIKit — ServiceNow AI Toolkit, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_uib_page, this is the rule to start with:
update_uib_page 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 NowAIKit — ServiceNow AI Toolkit, apply this rule, and every update_uib_page call is checked against it from then on.
Questions about update_uib_page
Update an existing UI Builder page. [Write]. It is categorised as a Write tool in the NowAIKit — ServiceNow AI Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the NowAIKit — ServiceNow AI Toolkit MCP server in PolicyLayer and add a rule for update_uib_page: 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 NowAIKit — ServiceNow AI Toolkit. Nothing to install.
update_uib_page 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 update_uib_page 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 update_uib_page. 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.
update_uib_page is provided by the NowAIKit — ServiceNow AI Toolkit MCP server (nowaikit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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