snow_blast_radius_sys_properties
Search sys_property records for plain-string references to an artifact name. Closes a recurring blind spot of snow_blast_radius_dependents: property values are NOT script-typed columns, so they
This record as markdown: /tools/serac/snow-blast-radius-sys-properties.md
What snow_blast_radius_sys_properties does on Serac
AI agents call snow_blast_radius_sys_properties to retrieve information from Serac without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why snow_blast_radius_sys_properties is rated Low
This tool queries ServiceNow system properties to identify references to artifacts, supporting impact analysis. While it only reads data (no side effects), it receives medium severity because it enables reconnaissance of system dependencies in an enterprise environment, which could inform an agent about critical systems to target.
From the tool's definition Tool performs a search operation to find 'sys_property records for plain-string references' with no indication of modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
The rule that runs snow_blast_radius_sys_properties 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_blast_radius_sys_properties, this is the rule to start with:
snow_blast_radius_sys_properties is read-only, so it stays allowed. 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_blast_radius_sys_properties call is checked against it from then on.
Questions about snow_blast_radius_sys_properties
Search sys_property records for plain-string references to an artifact name. Closes a recurring blind spot of snow_blast_radius_dependents: property values are NOT script-typed columns, so they. It is categorised as a Read tool in the Serac MCP Server, which means it retrieves data without modifying state.
Register the Serac MCP server in PolicyLayer and add a rule for snow_blast_radius_sys_properties: 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_blast_radius_sys_properties is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the snow_blast_radius_sys_properties 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_blast_radius_sys_properties. 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_blast_radius_sys_properties 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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