ibkr_exercise_options

THE RISK

Critical Risk

Why ibkr_exercise_options needs a policy

Exercising an options contract triggers a real financial transaction — it converts an options position into an underlying asset position (or cash settlement), committing financial obligations and potentially moving significant capital. This is irreversible once executed and directly impacts the user's financial position. The 'confirm=true' guard underscores the high-stakes nature of the action.

From the tool's definition Exercise or lapse an options contract. Requires confirm=true.

Documented attack patterns abuse exactly the kind of access ibkr_exercise_options gives an agent:

POLICY

How to control ibkr_exercise_options

PolicyLayer is an MCP gateway — it sits between your AI agents and Ibkr, and nothing reaches the server without passing your rules. This is the rule we recommend for ibkr_exercise_options:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ibkr_exercise_options": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

Any call to ibkr_exercise_options is blocked until a human approves it. The rest of the server keeps working.

Create a free account and register Ibkr — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Ibkr tools

Financial ibkr_cancel_order Cancel a single IBKR order by orderId. Requires confirm=true. Financial ibkr_place_order Place an IBKR order. Defaults to dry_run=true and transmit=false for safety. Destructive ibkr_global_cancel Cancel all active IBKR orders. Requires confirm=true. Execute ibkr_preview_order Run IBKR what-if analysis for an order and return margin/commission impact. Execute ibkr_run_scanner Run a market scanner subscription and return ranked results. Read ibkr_debug_market_data_snapshot Return diagnostic market data snapshots for a contract. Read ibkr_get_account_summary Return account summary values such as NetLiquidation and BuyingPower. Read ibkr_get_account_values Return account values snapshot for the specified account.

All 33 Ibkr tools →

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Go deeper

Critical-risk tools in Ibkr → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about ibkr_exercise_options

What does the ibkr_exercise_options tool do? +

Exercise or lapse an options contract. Requires confirm=true. It is categorised as a Financial tool in the Ibkr MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on ibkr_exercise_options? +

Register the Ibkr MCP server in PolicyLayer and add a rule for ibkr_exercise_options: 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 Ibkr. Nothing to install.

What risk level is ibkr_exercise_options? +

ibkr_exercise_options 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 ibkr_exercise_options? +

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

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

ibkr_exercise_options is provided by the Ibkr MCP server (patrickpxp/ibkr-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ibkr tool call.

Start from Ibkr, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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