explain

A other tool on the AWS MCP server.

SERVERAWS SOURCE@awslabs/mcp

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/aws/explain.md

WHAT IT DOES

What explain does on AWS

AI agents call explain as a supporting operation in AWS workflows.

RISK

Why explain is rated Low

The tool name 'explain' alone suggests a read-like or informational operation (e.g., explaining a query plan or concept), but without a description, it's impossible to confirm. Given sibling tools related to AWS operations (batch translation, canary analysis, auditing), 'explain' most likely retrieves or describes something. However, confidence is very low due to the lack of description.

From the tool's definition Tool name is 'explain' and description is empty or uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs explain safely

PolicyLayer is an MCP gateway: it sits between your AI agents and AWS, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For explain, this is the rule to start with:

explain Rate-limited

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

View as policy code

policy.json

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

SET A RULE FOR THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect AWS, apply this rule, and every explain call is checked against it from then on.

FAQ

Questions about explain

What does the explain tool do? +

explain is a other tool on the AWS MCP server. It is categorised as a Other tool in the AWS MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on explain? +

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

What risk level is explain? +

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

Can I rate-limit explain? +

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

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

explain is provided by the AWS MCP server (@awslabs/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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