AI agents call stream_range to retrieve information from Awslabs Amazon Sns Sqs without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The name 'stream_range' implies retrieving or iterating over a subset of stream data, which aligns with Read operations (no side effects). However, confidence is low because the description is empty and the exact operation is ambiguous without additional context. The tool could potentially be Write or Execute if it modifies streams or triggers processing, but the name suggests a retrieval operation most likely.
From the tool's definition Tool name 'stream_range' suggests reading/querying a range of items from a stream; lacks descriptive information for definitive classification.
Documented attack patterns abuse exactly the kind of access stream_range gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Awslabs Amazon Sns Sqs, and nothing reaches the server without passing your rules. This is the rule we recommend for stream_range:
{
"version": "1",
"default": "deny",
"tools": {
"stream_range": {}
}
}stream_range is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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stream_range. It is categorised as a Read tool in the Awslabs Amazon Sns Sqs MCP Server, which means it retrieves data without modifying state.
Register the Awslabs Amazon Sns Sqs 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 Awslabs Amazon Sns Sqs. Nothing to install.
stream_range is a Read tool with low risk. Read-only tools are generally safe to allow by default.
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.
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.
stream_range is provided by the Awslabs Amazon Sns Sqs MCP server (awslabs.amazon-sns-sqs-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Awslabs Amazon Sns Sqs, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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