scf_create_system · Scf MCP: Risk & Policy

WHAT IT DOES

What scf_create_system does on Scf

AI agents use scf_create_system to create or update resources in Scf — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Scf environment.

WHY IT NEEDS A POLICY

Why scf_create_system needs a policy

This tool creates a new system record in the SCF Controls Platform, which is a reversible write operation. Creating a system adds organizational metadata and configuration but does not execute arbitrary code, delete data, move funds, or trigger external side effects beyond the database record itself.

From the tool's definition Tool name 'scf_create_system' and description 'Create a system in the organization' explicitly indicate data creation within an organizational system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

scf_create_system Rate-limited

scf_create_system 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": {
    "scf_create_system": {
      "limits": [
        {
          "counter": "scf_create_system_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about scf_create_system

What does the scf_create_system tool do? +

Create a system in the organization. It is categorised as a Write tool in the Scf MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on scf_create_system? +

Register the Scf MCP server in PolicyLayer and add a rule for scf_create_system: 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 Scf. Nothing to install.

What risk level is scf_create_system? +

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

Can I rate-limit scf_create_system? +

Yes. Add a rate_limit block to the scf_create_system 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 scf_create_system completely? +

Set action: deny in the PolicyLayer policy for scf_create_system. 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 scf_create_system? +

scf_create_system is provided by the Scf MCP server (mcp-server-scf). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.