stream_group_set_id · Amazon Data Processing MCP Server MCP

WHAT IT DOES

What stream_group_set_id does on Amazon Data Processing MCP Server

AI agents use stream_group_set_id to create or update resources in Amazon Data Processing MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Amazon Data Processing MCP Server environment.

THE RISK

Medium Risk

Why stream_group_set_id needs a policy

This tool modifies persisted state—specifically the offset tracking position of a Kafka/stream consumer group—which affects which messages will be consumed next. While reversible (the ID can be set again), it changes application behavior and data flow. It does not delete data (Destructive), execute arbitrary code (Execute), nor move money (Financial), nor merely read (Read). Write is most appropriate.

From the tool's definition Tool name 'stream_group_set_id' and description 'Set consumer group's last delivered ID' indicate modification of stream consumer group state.

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

POLICY

How to control stream_group_set_id

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "stream_group_set_id": {
      "limits": [
        {
          "counter": "stream_group_set_id_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

stream_group_set_id 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.

Create a free account and register Amazon Data Processing 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.

LIMIT THIS TOOL →

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EXPLORE

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Go deeper

Govern customer-ops agents → PII redaction, approval on external messages, and no-bulk-delete rules on the records agents change.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
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_group_set_id

What does the stream_group_set_id tool do? +

Set consumer group's last delivered ID. It is categorised as a Write tool in the Amazon Data Processing 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 stream_group_set_id? +

Register the Amazon Data Processing MCP Server MCP server in PolicyLayer and add a rule for stream_group_set_id: 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 Data Processing MCP Server. Nothing to install.

What risk level is stream_group_set_id? +

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

Can I rate-limit stream_group_set_id? +

Yes. Add a rate_limit block to the stream_group_set_id 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_group_set_id completely? +

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

stream_group_set_id is provided by the Amazon Data Processing MCP Server MCP server (awslabs.aws-dataprocessing-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 Data Processing MCP Server tool call.

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

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805 Amazon Data Processing MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.