disconnect_ibkr · Interactive Brokers MCP Server MCP

WHAT IT DOES

What disconnect_ibkr does on Interactive Brokers MCP Server

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

WHY IT NEEDS A POLICY

Why disconnect_ibkr needs a policy

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

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

disconnect_ibkr Rate-limited

disconnect_ibkr 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": {
    "disconnect_ibkr": {
      "limits": [
        {
          "counter": "disconnect_ibkr_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 Interactive Brokers MCP Server, so you can run agents against it safely.

FAQ

Questions about disconnect_ibkr

What does the disconnect_ibkr tool do? +

Disconnect from Interactive Brokers. It is categorised as a Write tool in the Interactive Brokers 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 disconnect_ibkr? +

Register the Interactive Brokers MCP Server MCP server in PolicyLayer and add a rule for disconnect_ibkr: 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 Interactive Brokers MCP Server. Nothing to install.

What risk level is disconnect_ibkr? +

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

Can I rate-limit disconnect_ibkr? +

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

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

disconnect_ibkr is provided by the Interactive Brokers MCP Server MCP server (jinyiabc/ibkr-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.