create_pie · Trading 212 MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_pie does on Trading 212 MCP Server

AI agents use create_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 create_pie needs a policy

Creating a pie is a reversible write operation—it creates a new portfolio structure but does not execute trades, delete data irreversibly, or move money. The severity is medium because misconfiguration could lead to unintended portfolio organization, but the impact is contained to portfolio structure rather than actual financial transactions.

From the tool's definition Tool name 'create_pie' and description 'Create a new pie' indicate a create operation. In the context of a Trading 212 server, a 'pie' is a portfolio grouping construct.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_pie Rate-limited

create_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": {
    "create_pie": {
      "limits": [
        {
          "counter": "create_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 create_pie

What does the create_pie tool do? +

Create a new pie. 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 create_pie? +

Register the Trading 212 MCP Server MCP server in PolicyLayer and add a rule for create_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 create_pie? +

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

Can I rate-limit create_pie? +

Yes. Add a rate_limit block to the create_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 create_pie completely? +

Set action: deny in the PolicyLayer policy for create_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 create_pie? +

create_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.

// THE FULL RECORD

create_pie is one line of Trading 212 MCP Server's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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