vender · IOL MCP Server MCP: Risk & Policy

WHAT IT DOES

What vender does on IOL MCP Server

AI agents use vender to commit financial operations through IOL MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why vender needs a policy

This tool creates a sell order on a financial trading platform. Selling securities directly moves financial assets and commits financial obligations. It is irreversible once executed in the market, placing it firmly in the Financial category with critical severity due to potential for significant monetary loss if misused by an AI agent.

From the tool's definition "Crear una orden de venta" (Create a sell order) on a trading platform (InvertirOnline API) that provides "trading operations"

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vender Approval-gated

Any call to vender is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "vender": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about vender

What does the vender tool do? +

Crear una orden de venta. It is categorised as a Financial tool in the IOL MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on vender? +

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

What risk level is vender? +

vender is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit vender? +

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

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

vender is provided by the IOL MCP Server MCP server (pgallar/iol-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.