This record as markdown: /tools/serac/snow-exception-handler.md
What snow_exception_handler does on Serac
AI agents use snow_exception_handler 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_exception_handler is rated Medium
Exception handling with logging implies writing log/event records to a system. This is a Write operation (creating log entries or exception records). It could potentially be Execute if it triggers workflows, but the description suggests its primary function is recording/handling exceptions. Confidence is moderate because the description is vague and does not detail what 'handling' entails beyond logging.
From the tool's definition Handle exceptions with logging
Attacks that exploit this kind of access
The rule that runs snow_exception_handler 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_exception_handler, this is the rule to start with:
snow_exception_handler 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_exception_handler call is checked against it from then on.
Questions about snow_exception_handler
Handle exceptions with logging. 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_exception_handler: 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_exception_handler 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_exception_handler 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_exception_handler. 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_exception_handler 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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