CreateAHORunCache · Awslabs Valkey MCP: Risk & Policy

WHAT IT DOES

What CreateAHORunCache does on Awslabs Valkey

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

WHY IT NEEDS A POLICY

Why CreateAHORunCache needs a policy

The name suggests creating a cache resource (AHO Run Cache), which is a reversible data structure creation operation typical of Write category. Without explicit description, confidence is moderate. The operation appears to create a new cache instance rather than executing arbitrary code or destructively removing resources, so Write is most appropriate.

From the tool's definition Tool name 'CreateAHORunCache' indicates cache creation (Write operation). Description is empty, limiting certainty.

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 Awslabs Valkey, 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 Awslabs Valkey 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 Awslabs Valkey 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 Awslabs Valkey. 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 Awslabs Valkey MCP server (awslabs.valkey-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.