vtex_start_handling · MCP VTEX Server MCP: Risk & Policy

WHAT IT DOES

What vtex_start_handling does on MCP VTEX Server

AI agents invoke vtex_start_handling to trigger actions in MCP VTEX Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why vtex_start_handling needs a policy

This tool triggers an external operation that changes the status of an order in the VTEX e-commerce platform. It is not merely reading data, nor does it delete or move money directly — it initiates an order fulfillment workflow state transition, which is an irreversible or hard-to-reverse operational action with significant downstream consequences (warehouse picks, shipping initiation, etc.).

From the tool's definition Start handling an order (change status to handling)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vtex_start_handling Rate-limited

vtex_start_handling 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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about vtex_start_handling

What does the vtex_start_handling tool do? +

Start handling an order (change status to handling). It is categorised as a Execute tool in the MCP VTEX 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 vtex_start_handling? +

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

What risk level is vtex_start_handling? +

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

Can I rate-limit vtex_start_handling? +

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

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

vtex_start_handling is provided by the MCP VTEX Server MCP server (leosepulveda/mcp-vtex). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.