create_domain_name · Awslabs Valkey MCP: Risk & Policy

WHAT IT DOES

What create_domain_name does on Awslabs Valkey

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

WHY IT NEEDS A POLICY

Why create_domain_name needs a policy

The 'create' verb signals data modification rather than retrieval (Read) or deletion (Destructive). Without destructive operations like drop/delete in the name, and given typical domain name creation in AWS contexts is reversible (domains can be deleted), this is classified as Write.

From the tool's definition Tool name 'create_domain_name' indicates creation of a resource. The empty description limits confidence in assessing scope and reversibility.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_domain_name Rate-limited

create_domain_name 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": {
    "create_domain_name": {
      "limits": [
        {
          "counter": "create_domain_name_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 Awslabs Valkey, so you can run agents against it safely.

FAQ

Questions about create_domain_name

What does the create_domain_name tool do? +

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

How do I enforce a policy on create_domain_name? +

Register the Awslabs Valkey MCP server in PolicyLayer and add a rule for create_domain_name: 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 Awslabs Valkey. Nothing to install.

What risk level is create_domain_name? +

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

Can I rate-limit create_domain_name? +

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

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

create_domain_name is provided by the Awslabs Valkey MCP server (awslabs.valkey-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.