place_order

Place a trading order in MetaTrader 4

SERVERMCP MetaTrader 4 Server SOURCE8nite/metatrader-4-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/8nite-metatrader-4-mcp/place-order.md

WHAT IT DOES

What place_order does on MCP MetaTrader 4 Server

AI agents use place_order to commit financial operations through MCP MetaTrader 4 Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why place_order is rated Critical

Placing a trading order directly commits financial obligations by entering the market and potentially moving real money. On a live MT4 account, this action buys or sells financial instruments, creating immediate financial exposure. This is the highest severity financial action possible — an AI agent misusing this tool could execute large or repeated trades causing significant monetary loss.

From the tool's definition place_order — 'Place a trading order in MetaTrader 4'

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs place_order safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP MetaTrader 4 Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For place_order, this is the rule to start with:

place_order Approval-gated

Any call to place_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_order": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP MetaTrader 4 Server, apply this rule, and every place_order call is checked against it from then on.

FAQ

Questions about place_order

What does the place_order tool do? +

Place a trading order in MetaTrader 4. It is categorised as a Financial tool in the MCP MetaTrader 4 Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on place_order? +

Register the MCP MetaTrader 4 Server MCP server in PolicyLayer and add a rule for place_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 MCP MetaTrader 4 Server. Nothing to install.

What risk level is place_order? +

place_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_order? +

Yes. Add a rate_limit block to the place_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_order completely? +

Set action: deny in the PolicyLayer policy for place_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_order? +

place_order is provided by the MCP MetaTrader 4 Server MCP server (8nite/metatrader-4-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on MCP MetaTrader 4 Server, and thousands of servers like it.

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place_limit_order on Lighter MCP →place_order on A2a Demos →place_order on Groww MCP Server →xlayer_place_bet on ScoutAgent → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →