create_broker

THE RISK

Medium Risk

Why create_broker needs a policy

Without a description, classification relies on the tool name alone. 'Create' typically indicates a Write operation (reversible creation of a resource). However, if this 'broker' relates to message brokering or financial transaction routing, it could be Execute or Financial. Given the AWS Translate context and common AWS naming patterns, it likely creates a message broker resource.

From the tool's definition Tool name 'create_broker' suggests creation of a resource. However, the tool description is empty, providing no details about what this broker is, what it manages, or what side effects creation entails.

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

POLICY

How to control create_broker

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_broker:

policy.json

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

create_broker 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

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All 805 Amazon Translate MCP Server tools →

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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_broker

What does the create_broker tool do? +

create_broker. 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_broker? +

Register the Amazon Translate MCP Server MCP server in PolicyLayer and add a rule for create_broker: 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_broker? +

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

Can I rate-limit create_broker? +

Yes. Add a rate_limit block to the create_broker 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_broker completely? +

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

create_broker 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 →