AI agents call list_fhir_jobs 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.
This tool retrieves and enumerates FHIR job metadata. 'List' is a classic Read operation—it queries data with no side effects, no execution, and no modifications. The blast radius of misuse is minimal; an agent could enumerate jobs it shouldn't see, but cannot alter, delete, or trigger actions. Severity is low because listing job records poses minimal operational risk.
From the tool's definition Tool name 'list_fhir_jobs' and description 'List FHIR import/export jobs' indicate a retrieval operation that queries existing job records without modifying or executing them.
Documented attack patterns abuse exactly the kind of access list_fhir_jobs 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 list_fhir_jobs:
{
"version": "1",
"default": "deny",
"tools": {
"list_fhir_jobs": {}
}
}list_fhir_jobs is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List FHIR import/export jobs. 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 list_fhir_jobs: 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.
list_fhir_jobs 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 list_fhir_jobs 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 list_fhir_jobs. 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.
list_fhir_jobs 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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