stream_range

THE RISK

Low Risk

Why stream_range needs a policy

The description is completely empty, providing no information about what this tool does. The name 'stream_range' could refer to reading a range of streaming data, but without any description, it's impossible to confidently classify it. Defaulting to 'Other' with low confidence due to lack of evidence.

From the tool's definition Tool name is 'stream_range' and description is empty or uninformative.

Documented attack patterns abuse exactly the kind of access stream_range gives an agent:

POLICY

How to control stream_range

PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon EKS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for stream_range:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "stream_range": {
      "limits": [
        {
          "counter": "stream_range_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

stream_range gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Amazon EKS MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about stream_range

What does the stream_range tool do? +

stream_range. It is categorised as a Other tool in the Amazon EKS MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on stream_range? +

Register the Amazon EKS MCP Server MCP server in PolicyLayer and add a rule for stream_range: 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 Amazon EKS MCP Server. Nothing to install.

What risk level is stream_range? +

stream_range is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit stream_range? +

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

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

stream_range is provided by the Amazon EKS MCP Server MCP server (awslabs.eks-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Amazon EKS MCP Server tool call.

Start from Amazon EKS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →