QBusinessQueryTool · AWS IoT SiteWise MCP Server MCP

WHAT IT DOES

What QBusinessQueryTool does on AWS IoT SiteWise MCP Server

AI agents call QBusinessQueryTool as a supporting operation in AWS IoT SiteWise MCP Server workflows.

WHY IT NEEDS A POLICY

Why QBusinessQueryTool needs a policy

With no description available, classification is uncertain. The name suggests a read/query operation against AWS Q Business (an AI-powered enterprise search/assistant service). Defaulting to 'Other' due to very low confidence, though it likely falls under Read or Execute depending on what the query does. Severity set to medium as enterprise search tools can expose sensitive business data.

From the tool's definition Tool description is empty and uninformative; tool name 'QBusinessQueryTool' suggests a query/read operation against AWS Q Business

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

QBusinessQueryTool Rate-limited

QBusinessQueryTool gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "QBusinessQueryTool": {
      "limits": [
        {
          "counter": "qbusinessquerytool_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches AWS IoT SiteWise MCP Server, so you can run agents against it safely.

FAQ

Questions about QBusinessQueryTool

What does the QBusinessQueryTool tool do? +

QBusinessQueryTool. It is categorised as a Other tool in the AWS IoT SiteWise MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on QBusinessQueryTool? +

Register the AWS IoT SiteWise MCP Server MCP server in PolicyLayer and add a rule for QBusinessQueryTool: 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 AWS IoT SiteWise MCP Server. Nothing to install.

What risk level is QBusinessQueryTool? +

QBusinessQueryTool is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit QBusinessQueryTool? +

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

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

QBusinessQueryTool is provided by the AWS IoT SiteWise MCP Server MCP server (awslabs.aws-iot-sitewise-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.