AI agents call search_by_patient_id 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 tool name indicates a search/retrieval operation ('search_by') with no side effects described. However, confidence is reduced to 0.65 due to the missing description and the incongruity between this tool and the stated server purpose (SNS/SQS messaging services management). The tool appears mismatched to the server, but based on the name alone, it performs a data retrieval operation typical of Read category.
From the tool's definition Tool name 'search_by_patient_id' suggests querying or retrieving patient data based on an identifier. The description is empty, providing no additional context about the tool's behavior.
Documented attack patterns abuse exactly the kind of access search_by_patient_id 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 search_by_patient_id:
{
"version": "1",
"default": "deny",
"tools": {
"search_by_patient_id": {}
}
}search_by_patient_id is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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search_by_patient_id. 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 search_by_patient_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 Awslabs Amazon Sns Sqs. Nothing to install.
search_by_patient_id 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 search_by_patient_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.
Set action: deny in the PolicyLayer policy for search_by_patient_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.
search_by_patient_id 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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805 Awslabs Amazon Sns Sqs tools catalogued and risk-classified — across an index of 43,000+ MCP servers.