snow_get_script_output
Retrieve output from previously executed script using execution ID
This record as markdown: /tools/serac/snow-get-script-output.md
What snow_get_script_output does on Serac
AI agents call snow_get_script_output 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_get_script_output is rated Low
The tool retrieves stored results from a past script execution. It does not execute new code, modify data, delete anything, or commit financial transactions. The retrieval of execution output is a read-only operation. Severity is low because the blast radius of retrieving script output is minimal—an agent could learn information it shouldn't have, but cannot directly harm systems through this tool alone.
From the tool's definition Tool name and description: 'Retrieve output from previously executed script using execution ID' — this is a retrieval operation that queries existing data (script output) with no side effects or modifications.
Attacks that exploit this kind of access
The rule that runs snow_get_script_output 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_get_script_output, this is the rule to start with:
snow_get_script_output 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_get_script_output call is checked against it from then on.
Questions about snow_get_script_output
Retrieve output from previously executed script using execution ID. 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_get_script_output: 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_get_script_output 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_get_script_output 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_get_script_output. 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_get_script_output 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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