schwab_option_sell_to_close

Sell an option to close a position (Schwab).

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-option-sell-to-close.md

WHAT IT DOES

What schwab_option_sell_to_close does on Open Stocks MCP

AI agents use schwab_option_sell_to_close 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_option_sell_to_close is rated Critical

This tool places a real sell order for an options contract through the Schwab brokerage API, directly committing a financial transaction. Misuse could result in unintended liquidation of option positions, significant financial loss, and irreversible market orders. Options trading carries high financial risk, warranting critical severity.

From the tool's definition 'Sell an option to close a position (Schwab)' — executes a real financial trade (sell order) through Schwab broker API

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs schwab_option_sell_to_close 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_option_sell_to_close, this is the rule to start with:

schwab_option_sell_to_close Approval-gated

Any call to schwab_option_sell_to_close 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_option_sell_to_close": {
      "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_option_sell_to_close call is checked against it from then on.

FAQ

Questions about schwab_option_sell_to_close

What does the schwab_option_sell_to_close tool do? +

Sell an option to close a position (Schwab). 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_option_sell_to_close? +

Register the Open Stocks MCP server in PolicyLayer and add a rule for schwab_option_sell_to_close: 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_option_sell_to_close? +

schwab_option_sell_to_close 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_option_sell_to_close? +

Yes. Add a rate_limit block to the schwab_option_sell_to_close 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_option_sell_to_close completely? +

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

schwab_option_sell_to_close 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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