actualizar_item · MCP Inventario MCP: Risk & Policy

WHAT IT DOES

What actualizar_item does on MCP Inventario

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

WHY IT NEEDS A POLICY

Why actualizar_item needs a policy

The tool updates (modifies) an existing item in MongoDB by its ID. This is a reversible write operation — data is overwritten but not permanently destroyed. Severity is medium because a misbehaving agent could corrupt inventory records, but the action is reversible.

From the tool's definition Actualiza la información de un item existente por su ID de MongoDB (_id)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

actualizar_item Rate-limited

actualizar_item 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": {
    "actualizar_item": {
      "limits": [
        {
          "counter": "actualizar_item_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 MCP Inventario, so you can run agents against it safely.

FAQ

Questions about actualizar_item

What does the actualizar_item tool do? +

Actualiza la información de un item existente por su ID de MongoDB (_id). It is categorised as a Write tool in the MCP Inventario MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on actualizar_item? +

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

What risk level is actualizar_item? +

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

Can I rate-limit actualizar_item? +

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

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

actualizar_item is provided by the MCP Inventario MCP server (olivio-git/mcp-experiment-inventory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.