# sell_stock_stop_loss

Places a stop loss sell order for a stock.

Agent View of the PolicyLayer registry record for `sell_stock_stop_loss`. HTML page: https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/sell-stock-stop-loss

## Facts

- Tool: `sell_stock_stop_loss`
- Server: Open Stocks MCP (`open-agent-tools/open-stocks-mcp`) — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp.md
- Homepage: https://github.com/Open-Agent-Tools/open-stocks-mcp
- Risk category: Financial (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Approval-gated

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "sell_stock_stop_loss",
    "arguments": {}
  }
}
```

## Why sell_stock_stop_loss is rated Critical

This tool commits a real financial transaction by placing a sell order on a brokerage account. A stop loss sell order will automatically trigger a stock sale when price conditions are met, moving real money. Misuse could result in unintended liquidation of positions, financial losses, or tax consequences. Financial is the highest severity category and clearly applies here.

From the tool's own definition: "'Places a stop loss sell order for a stock' — directly executes a financial sell order through broker APIs (Robinhood, Schwab)"

## Use case

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

## Recommended policy (PolicyLayer)

Verdict: **Approval-gated**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Open Stocks MCP:

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

## Other tools on Open Stocks MCP (151)

- `cancel_all_option_orders_tool` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/cancel-all-option-orders-tool.md
- `cancel_all_stock_orders_tool` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/cancel-all-stock-orders-tool.md
- `cancel_option_order_by_id` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/cancel-option-order-by-id.md
- `cancel_stock_order_by_id` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/cancel-stock-order-by-id.md
- `remove_from_watchlist` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/remove-from-watchlist.md
- `schwab_cancel_all_option_orders` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-cancel-all-option-orders.md
- `schwab_cancel_all_stock_orders` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-cancel-all-stock-orders.md
- `schwab_cancel_option_order` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-cancel-option-order.md
- `schwab_cancel_order` — Destructive — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-cancel-order.md
- `buy_option_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/buy-option-limit.md
- `buy_stock_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/buy-stock-limit.md
- `buy_stock_market` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/buy-stock-market.md
- `option_credit_spread` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/option-credit-spread.md
- `option_debit_spread` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/option-debit-spread.md
- `schwab_buy_stock_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-buy-stock-limit.md
- `schwab_buy_stock_market` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-buy-stock-market.md
- `schwab_option_buy_to_open` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-option-buy-to-open.md
- `schwab_option_sell_to_close` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-option-sell-to-close.md
- `schwab_order_buy_option_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-order-buy-option-limit.md
- `schwab_order_option_credit_spread` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-order-option-credit-spread.md
- `schwab_order_option_debit_spread` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-order-option-debit-spread.md
- `schwab_order_sell_option_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-order-sell-option-limit.md
- `schwab_order_sell_stop` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-order-sell-stop.md
- `schwab_place_order` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-place-order.md
- `schwab_replace_order` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-replace-order.md
- `schwab_sell_stock_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-sell-stock-limit.md
- `schwab_sell_stock_market` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/schwab-sell-stock-market.md
- `sell_option_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/sell-option-limit.md
- `sell_stock_limit` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/sell-stock-limit.md
- `sell_stock_market` — Financial — https://policylayer.com/tools/open-agent-tools-open-stocks-mcp/sell-stock-market.md
- …and 121 more: https://policylayer.com/tools/open-agent-tools-open-stocks-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=open-agent-tools-open-stocks-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/open-agent-tools-open-stocks-mcp