ig_close_all_positions · IG Trading MCP: Risk & Policy

WHAT IT DOES

What ig_close_all_positions does on IG Trading MCP

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

WHY IT NEEDS A POLICY

Why ig_close_all_positions needs a policy

An AI agent can call ig_close_all_positions faster than any human can review — one bad instruction and it creates or modifies resources in IG Trading MCP by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ig_close_all_positions Rate-limited

ig_close_all_positions 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": {
    "ig_close_all_positions": {
      "limits": [
        {
          "counter": "ig_close_all_positions_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 IG Trading MCP, so you can run agents against it safely.

FAQ

Questions about ig_close_all_positions

What does the ig_close_all_positions tool do? +

Close all open positions. It is categorised as a Write tool in the IG Trading MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ig_close_all_positions? +

Register the IG Trading MCP server in PolicyLayer and add a rule for ig_close_all_positions: 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_all_positions? +

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

Can I rate-limit ig_close_all_positions? +

Yes. Add a rate_limit block to the ig_close_all_positions 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_all_positions completely? +

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

ig_close_all_positions 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.