generate_resource · Tf Dialect MCP: Risk & Policy

WHAT IT DOES

What generate_resource does on Tf Dialect

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

WHY IT NEEDS A POLICY

Why generate_resource needs a policy

The tool creates new Terraform resource code which represents a write operation against IaC definitions. While the actual infrastructure changes only occur when Terraform apply is run (external to this tool), the tool itself generates code that will instruct infrastructure changes.

From the tool's definition Tool generates Terraform resources that follow organizational standards and security defaults, creating Infrastructure as Code artifacts that will modify cloud infrastructure configurations

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_resource Rate-limited

generate_resource 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_resource": {
      "limits": [
        {
          "counter": "generate_resource_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 Tf Dialect, so you can run agents against it safely.

FAQ

Questions about generate_resource

What does the generate_resource tool do? +

Generate a Terraform resource following organization standards and security defaults. It is categorised as a Write tool in the Tf Dialect 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_resource? +

Register the Tf Dialect MCP server in PolicyLayer and add a rule for generate_resource: 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 Tf Dialect. Nothing to install.

What risk level is generate_resource? +

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

Can I rate-limit generate_resource? +

Yes. Add a rate_limit block to the generate_resource 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_resource completely? +

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

generate_resource is provided by the Tf Dialect MCP server (utpaljaynadiger/tf-dialect). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.