start_fhir_export_job

THE RISK

High Risk

Why start_fhir_export_job needs a policy

This tool triggers execution of an export job on AWS HealthLake, which is an active operation that initiates data processing and movement. While not destructive or financial, it meets the Execute category criteria: it 'runs code, shell commands, browser actions, or triggers external operations whose effects depend on arguments.' The high severity reflects that a misconfigured export could expose large volumes of…

From the tool's definition Tool explicitly performs 'Start a FHIR export job' – initiates an external operation (job execution) whose effects depend on configuration arguments such as data scope, format, and destination.

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

POLICY

How to control start_fhir_export_job

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "start_fhir_export_job": {
      "limits": [
        {
          "counter": "start_fhir_export_job_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

start_fhir_export_job stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register AWS Labs CloudTrail 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.

RATE-LIMIT THIS TOOL →

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EXPLORE

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FAQ

Questions about start_fhir_export_job

What does the start_fhir_export_job tool do? +

Start a FHIR export job to export data from HealthLake. It is categorised as a Execute tool in the AWS Labs CloudTrail MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on start_fhir_export_job? +

Register the AWS Labs CloudTrail MCP Server MCP server in PolicyLayer and add a rule for start_fhir_export_job: 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 AWS Labs CloudTrail MCP Server. Nothing to install.

What risk level is start_fhir_export_job? +

start_fhir_export_job is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit start_fhir_export_job? +

Yes. Add a rate_limit block to the start_fhir_export_job 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 start_fhir_export_job completely? +

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

start_fhir_export_job is provided by the AWS Labs CloudTrail MCP Server MCP server (awslabs.cloudtrail-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 AWS Labs CloudTrail MCP Server tool call.

Start from AWS Labs CloudTrail 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 →