snow_create_report · Serac MCP: Risk & Policy

WHAT IT DOES

What snow_create_report does on Serac

AI agents use snow_create_report 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 IT NEEDS A POLICY

Why snow_create_report needs a policy

This tool creates a new report object in ServiceNow by defining its structure (table, chart type, filters). This is a Write operation because it creates data that can be modified or deleted later.

From the tool's definition Tool name 'snow_create_report' and description states it 'Create[s] a sys_report' which is a reversible creation operation. The description confirms it 'Defines the report definition only' without executing destructive actions.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

snow_create_report Rate-limited

snow_create_report 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "snow_create_report": {
      "limits": [
        {
          "counter": "snow_create_report_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Serac, so you can run agents against it safely.

FAQ

Questions about snow_create_report

What does the snow_create_report tool do? +

Create a sys_report against a table with a chart type (bar / pie / line / list) and optional encoded-query filter. Defines the report definition only — runs/scheduling is handled separately. 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.

How do I enforce a policy on snow_create_report? +

Register the Serac MCP server in PolicyLayer and add a rule for snow_create_report: 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.

What risk level is snow_create_report? +

snow_create_report is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit snow_create_report? +

Yes. Add a rate_limit block to the snow_create_report 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.

How do I block snow_create_report completely? +

Set action: deny in the PolicyLayer policy for snow_create_report. 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.

What MCP server provides snow_create_report? +

snow_create_report 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.

// THE FULL RECORD

snow_create_report is one line of Serac's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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