place_limit_order · Trading 212 MCP Server MCP

WHAT IT DOES

What place_limit_order does on Trading 212 MCP Server

AI agents use place_limit_order to commit financial operations through Trading 212 MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why place_limit_order needs a policy

This tool directly places financial orders (buy or sell) on Trading 212, committing real financial transactions. Misuse could result in unintended trades, significant financial losses, or unauthorized market positions. This clearly falls under the Financial category with critical severity due to the direct monetary impact.

From the tool's definition Place a limit order. Use positive quantity for buy and negative quantity for sell.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

place_limit_order Approval-gated

Any call to place_limit_order 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": {
    "place_limit_order": {
      "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 Trading 212 MCP Server, so you can run agents against it safely.

FAQ

Questions about place_limit_order

What does the place_limit_order tool do? +

Place a limit order. Use positive quantity for buy and negative quantity for sell. It is categorised as a Financial tool in the Trading 212 MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on place_limit_order? +

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

place_limit_order 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 place_limit_order? +

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

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

place_limit_order 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.