finch_create_ecr_repo · Awslabs Valkey MCP: Risk & Policy

WHAT IT DOES

What finch_create_ecr_repo does on Awslabs Valkey

AI agents use finch_create_ecr_repo 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 finch_create_ecr_repo needs a policy

This tool creates a new AWS ECR repository, which is a reversible write operation (repositories can be deleted). It modifies infrastructure state by adding a new resource, but does not delete, execute arbitrary code, or move financial assets. The empty description reduces confidence slightly, but the tool name clearly indicates a resource creation action classified as Write.

From the tool's definition Tool name 'finch_create_ecr_repo' indicates creation of an AWS Elastic Container Registry (ECR) repository. The 'create' verb indicates a write operation that creates a new cloud resource. The description is empty, limiting confidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

finch_create_ecr_repo Rate-limited

finch_create_ecr_repo 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": {
    "finch_create_ecr_repo": {
      "limits": [
        {
          "counter": "finch_create_ecr_repo_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 finch_create_ecr_repo

What does the finch_create_ecr_repo tool do? +

finch_create_ecr_repo. 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 finch_create_ecr_repo? +

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

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

Can I rate-limit finch_create_ecr_repo? +

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

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

finch_create_ecr_repo 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.