CreateAHORunCache · AWS IoT SiteWise MCP Server MCP

WHAT IT DOES

What CreateAHORunCache does on AWS IoT SiteWise MCP Server

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

WHY IT NEEDS A POLICY

Why CreateAHORunCache needs a policy

The 'Create' verb indicates a write operation that creates or modifies data reversibly. Without a description, this is moderately confident but not severe enough for Destructive (no evidence of irreversibility) or Execute (no indication of code/command execution). The write classification assumes standard create semantics where the cache object can be managed/deleted if needed.

From the tool's definition Tool name 'CreateAHORunCache' contains 'Create', indicating data creation/modification. Description is empty, limiting confidence in precise classification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

CreateAHORunCache Rate-limited

CreateAHORunCache 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": {
    "CreateAHORunCache": {
      "limits": [
        {
          "counter": "createahoruncache_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 AWS IoT SiteWise MCP Server, so you can run agents against it safely.

FAQ

Questions about CreateAHORunCache

What does the CreateAHORunCache tool do? +

CreateAHORunCache. It is categorised as a Write tool in the AWS IoT SiteWise 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 CreateAHORunCache? +

Register the AWS IoT SiteWise MCP Server MCP server in PolicyLayer and add a rule for CreateAHORunCache: 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 CreateAHORunCache? +

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

Can I rate-limit CreateAHORunCache? +

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

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

CreateAHORunCache 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.