iot_device_register · Claude Flow MCP: Risk & Policy

WHAT IT DOES

What iot_device_register does on Claude Flow

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

WHY IT NEEDS A POLICY

Why iot_device_register needs a policy

This tool creates or modifies data (device registration records) in a reversible manner. Registration can typically be undone by deregistration or removal. While it affects IoT infrastructure, it does not execute arbitrary commands, delete data irreversibly, or move money.

From the tool's definition Tool is named 'iot_device_register' with description 'Register a Cognitum Seed device by endpoint'. The verb 'register' indicates a creation/modification action that adds a new device record to a system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

iot_device_register Rate-limited

iot_device_register 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": {
    "iot_device_register": {
      "limits": [
        {
          "counter": "iot_device_register_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 Claude Flow, so you can run agents against it safely.

FAQ

Questions about iot_device_register

What does the iot_device_register tool do? +

Register a Cognitum Seed device by endpoint. It is categorised as a Write tool in the Claude Flow MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on iot_device_register? +

Register the Claude Flow MCP server in PolicyLayer and add a rule for iot_device_register: 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 Claude Flow. Nothing to install.

What risk level is iot_device_register? +

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

Can I rate-limit iot_device_register? +

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

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

iot_device_register is provided by the Claude Flow MCP server (claude-flow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.