schwab_order_buy_option_limit

A financial tool on the Open Stocks MCP server.

SERVEROpen Stocks MCP SOURCEopen-agent-tools/open-stocks-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/open-agent-tools-open-stocks-mcp/schwab-order-buy-option-limit.md

WHAT IT DOES

What schwab_order_buy_option_limit does on Open Stocks MCP

AI agents use schwab_order_buy_option_limit to commit financial operations through Open Stocks MCP, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why schwab_order_buy_option_limit is rated Critical

The tool name explicitly references placing a buy order for options (a financial instrument) through Schwab, which constitutes committing a financial obligation. The server description confirms trading capabilities through broker APIs including Schwab. Empty description lowers confidence slightly, but the name is highly indicative of a financial transaction tool.

From the tool's definition Tool name 'schwab_order_buy_option_limit' contains 'order', 'buy', and 'option' — strongly indicating a financial trade execution action via Schwab broker API.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs schwab_order_buy_option_limit safely

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

schwab_order_buy_option_limit Approval-gated

Any call to schwab_order_buy_option_limit 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": {
    "schwab_order_buy_option_limit": {
      "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 Open Stocks MCP, apply this rule, and every schwab_order_buy_option_limit call is checked against it from then on.

FAQ

Questions about schwab_order_buy_option_limit

What does the schwab_order_buy_option_limit tool do? +

schwab_order_buy_option_limit is a financial tool on the Open Stocks MCP server. It is categorised as a Financial tool in the Open Stocks MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on schwab_order_buy_option_limit? +

Register the Open Stocks MCP server in PolicyLayer and add a rule for schwab_order_buy_option_limit: 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 Open Stocks MCP. Nothing to install.

What risk level is schwab_order_buy_option_limit? +

schwab_order_buy_option_limit 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 schwab_order_buy_option_limit? +

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

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

schwab_order_buy_option_limit is provided by the Open Stocks MCP server (open-agent-tools/open-stocks-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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