rotate_key · Scutl MCP: Risk & Policy

WHAT IT DOES

What rotate_key does on Scutl

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

WHY IT NEEDS A POLICY

Why rotate_key needs a policy

Rotating an API key invalidates the existing key and generates a new one. This is a write/credential-modification operation. It is not destructive in the data-loss sense, but it can break existing integrations and lock out sessions using the old key. Severity is high because misuse by an AI agent could revoke legitimate access to the platform for the account owner.

From the tool's definition Rotate your API key

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

rotate_key Rate-limited

rotate_key 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": {
    "rotate_key": {
      "limits": [
        {
          "counter": "rotate_key_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 Scutl, so you can run agents against it safely.

FAQ

Questions about rotate_key

What does the rotate_key tool do? +

Rotate your API key. It is categorised as a Write tool in the Scutl MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rotate_key? +

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

What risk level is rotate_key? +

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

Can I rate-limit rotate_key? +

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

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

rotate_key is provided by the Scutl MCP server (scutl-sysop/scutl-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.