ig_close_position · IG Trading MCP: Risk & Policy

WHAT IT DOES

What ig_close_position does on IG Trading MCP

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

WHY IT NEEDS A POLICY

Why ig_close_position needs a policy

Closing a trading position is a financial transaction that realizes gains or losses and cannot be easily reversed. Misuse by an AI agent could result in unintended liquidation of positions and direct financial harm to the account holder.

From the tool's definition "Close an open position" on a server that "Enables AI assistants to interact with IG Trading API for forex, indices, and commodities trading"

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ig_close_position Approval-gated

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

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches IG Trading MCP, so you can run agents against it safely.

FAQ

Questions about ig_close_position

What does the ig_close_position tool do? +

Close an open position. It is categorised as a Financial tool in the IG Trading MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on ig_close_position? +

Register the IG Trading MCP server in PolicyLayer and add a rule for ig_close_position: 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 IG Trading MCP. Nothing to install.

What risk level is ig_close_position? +

ig_close_position 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 ig_close_position? +

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

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

ig_close_position is provided by the IG Trading MCP server (kea0811/ig-trading-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.