generate_module_usage · Claude Iac MCP: Risk & Policy

WHAT IT DOES

What generate_module_usage does on Claude Iac

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

WHY IT NEEDS A POLICY

Why generate_module_usage needs a policy

This tool creates or generates new infrastructure code (Terraform module usage patterns), which is a reversible Write operation. It does not execute infrastructure changes directly—that would require apply/deploy steps—nor does it delete or move money.

From the tool's definition Tool is named 'generate_module_usage' and is part of a Terraform module registry/code generation system. The server description indicates it 'generate[s] compliant Azure infrastructure code' and provides 'scaffolding' functionality.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_module_usage Rate-limited

generate_module_usage 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": {
    "generate_module_usage": {
      "limits": [
        {
          "counter": "generate_module_usage_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 Claude Iac, so you can run agents against it safely.

FAQ

Questions about generate_module_usage

What does the generate_module_usage tool do? +

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

How do I enforce a policy on generate_module_usage? +

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

What risk level is generate_module_usage? +

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

Can I rate-limit generate_module_usage? +

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

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

generate_module_usage is provided by the Claude Iac MCP server (net9876/claude-iac-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.