stream_info_groups

THE RISK

Low Risk

Why stream_info_groups needs a policy

This tool performs a query/fetch operation to retrieve metadata about consumer groups. It has no capability to modify, delete, or execute external operations. The blast radius of misuse is minimal—unauthorized information disclosure about group configurations or membership, which is a read-level risk.

From the tool's definition Tool name 'stream_info_groups' and description 'Get information about consumer groups' indicates a retrieval operation with no modification or side effects.

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

POLICY

How to control stream_info_groups

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "stream_info_groups": {}
  }
}

stream_info_groups is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Amazon Redshift 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.

CAP 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.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
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_info_groups

What does the stream_info_groups tool do? +

Get information about consumer groups. It is categorised as a Read tool in the Amazon Redshift MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on stream_info_groups? +

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

What risk level is stream_info_groups? +

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

Can I rate-limit stream_info_groups? +

Yes. Add a rate_limit block to the stream_info_groups 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_info_groups completely? +

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

stream_info_groups is provided by the Amazon Redshift MCP Server MCP server (awslabs.redshift-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 Redshift MCP Server tool call.

Start from Amazon Redshift 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 →