CloneContainerToECR · Awslabs Valkey MCP: Risk & Policy

WHAT IT DOES

What CloneContainerToECR does on Awslabs Valkey

AI agents invoke CloneContainerToECR to trigger actions in Awslabs Valkey. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why CloneContainerToECR needs a policy

The name suggests cloning a container image to Amazon ECR (Elastic Container Registry), which involves pulling a container image and pushing it to a registry — an external operation with Write/Execute characteristics. In the context of a Valkey/ElastiCache MCP server, this likely involves fetching and publishing container images.

From the tool's definition Tool name: CloneContainerToECR — description is empty/uninformative

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

CloneContainerToECR Rate-limited

CloneContainerToECR stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "CloneContainerToECR": {
      "limits": [
        {
          "counter": "clonecontainertoecr_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 CloneContainerToECR

What does the CloneContainerToECR tool do? +

CloneContainerToECR. It is categorised as a Execute tool in the Awslabs Valkey MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on CloneContainerToECR? +

Register the Awslabs Valkey MCP server in PolicyLayer and add a rule for CloneContainerToECR: 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 CloneContainerToECR? +

CloneContainerToECR is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit CloneContainerToECR? +

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

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

CloneContainerToECR 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.