cambiarTipoColumna · MyPos MCP: Risk & Policy

WHAT IT DOES

What cambiarTipoColumna does on MyPos MCP

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

WHY IT NEEDS A POLICY

Why cambiarTipoColumna needs a policy

This tool modifies the data type of an existing column in a database table. Changing a column type is a schema-altering operation (DDL) that can be partially reversible (you can change it back), but may cause data loss or truncation if the new type is incompatible with existing data.

From the tool's definition Tool name 'cambiarTipoColumna' means 'change column type' in Spanish, indicating a schema modification operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cambiarTipoColumna Rate-limited

cambiarTipoColumna 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": {
    "cambiarTipoColumna": {
      "limits": [
        {
          "counter": "cambiartipocolumna_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 MyPos MCP, so you can run agents against it safely.

FAQ

Questions about cambiarTipoColumna

What does the cambiarTipoColumna tool do? +

Sigue estas reglas OBLIGATORIAS para cambiar el tipo de una columna:\n. It is categorised as a Write tool in the MyPos MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cambiarTipoColumna? +

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

What risk level is cambiarTipoColumna? +

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

Can I rate-limit cambiarTipoColumna? +

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

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

cambiarTipoColumna is provided by the MyPos MCP server (yonsn76/mypos-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.