snow_code_search
Search for a term across every ServiceNow table that stores scripts (business rules, script includes, client scripts, UI scripts, widgets, scripted REST operations, UI actions, ACLs, scheduled jobs, transform maps, notifications, record producers, UX/UI-Builder scripts, etc.). Returns grouped mat...
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What snow_code_search does on Serac
AI agents call snow_code_search 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_code_search is rated Low
This tool retrieves and queries data across ServiceNow script storage tables without modifying, deleting, or executing anything. It is a read-only search operation. However, the severity is elevated to 'medium' rather than 'low' because searching across scripts containing sensitive business logic, credentials, or security-critical patterns could expose confidential information or help an attacker identify…
From the tool's definition Search for a term across every ServiceNow table that stores scripts... Returns grouped matches per table with a short context snippet. Use when you need to find where a function, table name, or pattern is referenced.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs snow_code_search 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_code_search, this is the rule to start with:
snow_code_search 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_code_search call is checked against it from then on.
Questions about snow_code_search
Search for a term across every ServiceNow table that stores scripts (business rules, script includes, client scripts, UI scripts, widgets, scripted REST operations, UI actions, ACLs, scheduled jobs, transform maps, notifications, record producers, UX/UI-Builder scripts, etc.). Returns grouped matches per table with a short context snippet. Use when you need to find where a function, table name, or pattern is referenced across the instance. 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_code_search: 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_code_search 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_code_search 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_code_search. 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_code_search 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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