generate_portfolio_scenarios · Portfolio MCP: Risk & Policy

WHAT IT DOES

What generate_portfolio_scenarios does on Portfolio

AI agents invoke generate_portfolio_scenarios to trigger actions in Portfolio. 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 generate_portfolio_scenarios needs a policy

Based on the server description mentioning Monte Carlo simulations and the tool name implying scenario generation, this tool likely runs computational simulations/analysis rather than reading stored data or writing/modifying records. However, the empty description significantly lowers confidence.

From the tool's definition Tool name 'generate_portfolio_scenarios' and server context mentioning Monte Carlo simulations suggest computational scenario generation; description is empty and uninformative

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

generate_portfolio_scenarios Rate-limited

generate_portfolio_scenarios 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": {
    "generate_portfolio_scenarios": {
      "limits": [
        {
          "counter": "generate_portfolio_scenarios_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 Portfolio, so you can run agents against it safely.

FAQ

Questions about generate_portfolio_scenarios

What does the generate_portfolio_scenarios tool do? +

generate_portfolio_scenarios. It is categorised as a Execute tool in the Portfolio MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on generate_portfolio_scenarios? +

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

What risk level is generate_portfolio_scenarios? +

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

Can I rate-limit generate_portfolio_scenarios? +

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

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

generate_portfolio_scenarios is provided by the Portfolio MCP server (l4b4r4b4b4/portfolio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.