generar_token · IOL MCP Server MCP: Risk & Policy

WHAT IT DOES

What generar_token does on IOL MCP Server

AI agents invoke generar_token to trigger actions in IOL MCP 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 generar_token needs a policy

Token generation is an execution action that creates authentication credentials used to authorize trading and financial operations. Misuse could enable unauthorized access to financial accounts, enabling trading, portfolio manipulation, or other high-impact actions. It spans Execute (triggering an authentication flow) with high severity due to the financial context of the platform.

From the tool's definition 'Generar un token para operaciones' - generates an authentication token for trading operations on the InvertirOnline API

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generar_token Rate-limited

generar_token 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": {
    "generar_token": {
      "limits": [
        {
          "counter": "generar_token_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 IOL MCP Server, so you can run agents against it safely.

FAQ

Questions about generar_token

What does the generar_token tool do? +

Generar un token para operaciones. It is categorised as a Execute tool in the IOL MCP 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 generar_token? +

Register the IOL MCP Server MCP server in PolicyLayer and add a rule for generar_token: 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 generar_token? +

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

Can I rate-limit generar_token? +

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

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

generar_token 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.