create_resolver

THE RISK

Medium Risk

Why create_resolver needs a policy

The 'create' verb indicates a Write operation that creates new data or configurations reversibly. Without a description, confidence is reduced, but the action is definitively not Read (it creates something), not Destructive (creation is reversible), not Execute (no code/shell execution implied), and not Financial. Severity is medium due to the reversible nature of creation and lack of clarity on blast radius.

From the tool's definition Tool named 'create_resolver' with empty description. In AWS Translate and related services, creating a resolver typically involves setting up routing or DNS resolution configurations.

Documented attack patterns abuse exactly the kind of access create_resolver gives an agent:

POLICY

How to control create_resolver

PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon Translate MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_resolver:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_resolver": {
      "limits": [
        {
          "counter": "create_resolver_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

create_resolver 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.

Create a free account and register Amazon Translate MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 805 Amazon Translate MCP Server tools →

Write tools on other servers

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Go deeper

Govern customer-ops agents → PII redaction, approval on external messages, and no-bulk-delete rules on the records agents change.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about create_resolver

What does the create_resolver tool do? +

create_resolver. It is categorised as a Write tool in the Amazon Translate MCP Server 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_resolver? +

Register the Amazon Translate MCP Server MCP server in PolicyLayer and add a rule for create_resolver: 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 Amazon Translate MCP Server. Nothing to install.

What risk level is create_resolver? +

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

Can I rate-limit create_resolver? +

Yes. Add a rate_limit block to the create_resolver 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_resolver completely? +

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

create_resolver is provided by the Amazon Translate MCP Server MCP server (awslabs.amazon-translate-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Amazon Translate MCP Server tool call.

Start from Amazon Translate MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →