duplicate_pie · Trading 212 MCP Server MCP: Risk & Policy

WHAT IT DOES

What duplicate_pie does on Trading 212 MCP Server

AI agents use duplicate_pie to create or update resources in Trading 212 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Trading 212 MCP Server environment.

WHY IT NEEDS A POLICY

Why duplicate_pie needs a policy

Duplicating a pie creates a new financial portfolio structure but does not move money, execute trades, or irreversibly delete data. It is a Write operation. However, in a financial context, misuse could lead to unintended portfolio structures being created, warranting medium severity.

From the tool's definition Duplicate a pie with new name/icon — creates a new copy of an existing pie (a portfolio allocation structure), which is a reversible write operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

duplicate_pie Rate-limited

duplicate_pie 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": {
    "duplicate_pie": {
      "limits": [
        {
          "counter": "duplicate_pie_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 Trading 212 MCP Server, so you can run agents against it safely.

FAQ

Questions about duplicate_pie

What does the duplicate_pie tool do? +

Duplicate a pie with new name/icon. It is categorised as a Write tool in the Trading 212 MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on duplicate_pie? +

Register the Trading 212 MCP Server MCP server in PolicyLayer and add a rule for duplicate_pie: 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 Trading 212 MCP Server. Nothing to install.

What risk level is duplicate_pie? +

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

Can I rate-limit duplicate_pie? +

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

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

duplicate_pie is provided by the Trading 212 MCP Server MCP server (razeevascx/212mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.