createCollection · Amazon MQ MCP Server MCP: Risk & Policy

WHAT IT DOES

What createCollection does on Amazon MQ MCP Server

AI agents use createCollection to create or update resources in Amazon MQ MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Amazon MQ MCP Server environment.

WHY IT NEEDS A POLICY

Why createCollection needs a policy

The 'create' prefix indicates a Write operation that establishes new data structures or resources. While the empty description reduces confidence, the semantic meaning of 'createCollection' aligns with reversible Write operations rather than destructive, financial, or Execute categories. The lack of descriptive detail prevents assessment of full scope, warranting medium severity and reduced confidence.

From the tool's definition Tool name is 'createCollection' which indicates creation of a new data structure or collection. The empty description prevents confirmation of exact behavior, but the 'create' verb strongly suggests Write operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

createCollection Rate-limited

createCollection 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": {
    "createCollection": {
      "limits": [
        {
          "counter": "createcollection_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 Amazon MQ MCP Server, so you can run agents against it safely.

FAQ

Questions about createCollection

What does the createCollection tool do? +

createCollection. It is categorised as a Write tool in the Amazon MQ 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 createCollection? +

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

What risk level is createCollection? +

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

Can I rate-limit createCollection? +

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

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

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