snow_create_catalog_item
Publish a Service Catalog item (sc_cat_item) with name, short/long descriptions, category, and price. The item becomes orderable; attach question variables with snow_create_catalog_variable.
This record as markdown: /tools/serac/snow-create-catalog-item.md
What snow_create_catalog_item does on Serac
AI agents use snow_create_catalog_item 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_catalog_item is rated Medium
This tool creates and publishes new catalog items in ServiceNow, which is a reversible write operation. While it doesn't directly execute commands or delete data, publishing orderable catalog items could enable unauthorized service requests or financial transactions if misused by an AI agent.
From the tool's definition Tool name 'snow_create_catalog_item' and description states 'Publish a Service Catalog item' which creates new data in ServiceNow.
Attacks that exploit this kind of access
The rule that runs snow_create_catalog_item 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_catalog_item, this is the rule to start with:
snow_create_catalog_item 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_catalog_item call is checked against it from then on.
Questions about snow_create_catalog_item
Publish a Service Catalog item (sc_cat_item) with name, short/long descriptions, category, and price. The item becomes orderable; attach question variables with snow_create_catalog_variable. 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_catalog_item: 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_catalog_item 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_catalog_item 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_catalog_item. 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_catalog_item 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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