snow_property_bulk
Bulk system property operations (get/set multiple)
This record as markdown: /tools/serac/snow-property-bulk.md
What snow_property_bulk does on Serac
AI agents use snow_property_bulk 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_property_bulk is rated Medium
This tool performs both read and write operations on system properties, but the explicit mention of 'set' (modification) makes it Write category. The 'bulk' aspect and system-level scope elevate severity to high, as misconfigured or malicious property changes could affect ServiceNow instance behavior, security configurations, or integrations.
From the tool's definition Bulk system property operations (get/set multiple) — the 'set multiple' capability indicates modification of system properties at scale.
Attacks that exploit this kind of access
The rule that runs snow_property_bulk 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_property_bulk, this is the rule to start with:
snow_property_bulk 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_property_bulk call is checked against it from then on.
Questions about snow_property_bulk
Bulk system property operations (get/set multiple). 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_property_bulk: 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_property_bulk 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_property_bulk 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_property_bulk. 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_property_bulk 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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