DiagnoseAHORunFailure

THE RISK

Low Risk

Why DiagnoseAHORunFailure needs a policy

With no description available, classification is uncertain. The name suggests a read/diagnostic operation (diagnosing a failure), which would be low-severity Read. However, without confirmation, confidence is low. Given the sibling context of an AWS Pricing MCP server, this likely reads or analyzes run failure data rather than modifying anything.

From the tool's definition Tool description is empty; the name 'DiagnoseAHORunFailure' suggests a diagnostic/read operation (analyzing failure information), but no description is provided to confirm behavior.

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

POLICY

How to control DiagnoseAHORunFailure

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "DiagnoseAHORunFailure": {
      "limits": [
        {
          "counter": "diagnoseahorunfailure_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

DiagnoseAHORunFailure gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register AWS Pricing 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.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about DiagnoseAHORunFailure

What does the DiagnoseAHORunFailure tool do? +

DiagnoseAHORunFailure. It is categorised as a Other tool in the AWS Pricing MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on DiagnoseAHORunFailure? +

Register the AWS Pricing MCP Server MCP server in PolicyLayer and add a rule for DiagnoseAHORunFailure: 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 Pricing MCP Server. Nothing to install.

What risk level is DiagnoseAHORunFailure? +

DiagnoseAHORunFailure is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit DiagnoseAHORunFailure? +

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

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

DiagnoseAHORunFailure is provided by the AWS Pricing MCP Server MCP server (awslabs.aws-pricing-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 Pricing MCP Server tool call.

Start from AWS Pricing 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 →