AI agents use snow_create_form_section 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.
This tool creates (writes) new form UI configuration objects in ServiceNow. It is reversible — form sections can be deleted or modified — so it does not qualify as Destructive. It does not execute arbitrary code or external operations (Execute), nor does it move money (Financial).
From the tool's definition Tool creates a form section (sys_ui_section) on a table/view with caption and ordering position. Description explicitly states 'Create' — a data modification operation that adds a new UI component to ServiceNow forms.
Attacks that exploit this kind of access
Create a form section (sys_ui_section) on a table/view with an optional caption and ordering position. Sections group fields visually on a form — use snow_add_form_field to populate. 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_form_section: 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_form_section 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_form_section 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_form_section. 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_form_section 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.
snow_create_form_section is one line of Serac's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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