finch_create_ecr_repo · AWS IoT SiteWise MCP Server MCP

WHAT IT DOES

What finch_create_ecr_repo does on AWS IoT SiteWise MCP Server

AI agents use finch_create_ecr_repo 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 finch_create_ecr_repo needs a policy

Creating an ECR repository is a reversible Write operation—repositories can be deleted and recreated. It does not execute arbitrary code, destroy existing data, or move money. Severity is medium because misconfigured or malicious repository creation could be part of a supply chain attack or resource exhaustion.

From the tool's definition Tool name 'finch_create_ecr_repo' indicates creation of an AWS ECR (Elastic Container Registry) repository. The 'create' action is a Write operation that creates new cloud infrastructure. No description provided to clarify exact behavior.

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"
        }
      ]
    }
  }
}

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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 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 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 finch_create_ecr_repo? +

Register the AWS IoT SiteWise MCP Server 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 AWS IoT SiteWise MCP Server. 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 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.