multiply_numbers · AgentCore MCP Server MCP: Risk & Policy

WHAT IT DOES

What multiply_numbers does on AgentCore MCP Server

AI agents use multiply_numbers to create or update resources in AgentCore MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AgentCore MCP Server environment.

WHY IT NEEDS A POLICY

Why multiply_numbers needs a policy

An AI agent can call multiply_numbers faster than any human can review — one bad instruction and it creates or modifies resources in AgentCore MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

multiply_numbers Rate-limited

multiply_numbers stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "multiply_numbers": {
      "limits": [
        {
          "counter": "multiply_numbers_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches AgentCore MCP Server, so you can run agents against it safely.

FAQ

Questions about multiply_numbers

What does the multiply_numbers tool do? +

Multiply two numbers together. It is categorised as a Write tool in the AgentCore MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on multiply_numbers? +

Register the AgentCore MCP Server MCP server in PolicyLayer and add a rule for multiply_numbers: 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 AgentCore MCP Server. Nothing to install.

What risk level is multiply_numbers? +

multiply_numbers is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit multiply_numbers? +

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

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

multiply_numbers is provided by the AgentCore MCP Server MCP server (steveradich/template-aws-agentcore-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.