AI agents use place_order to commit financial operations through Schwab — usually the final step of a payment, billing, or trading workflow. A call moves real money.
The tool name 'place_order' on a brokerage API server strongly implies placing financial trades/orders. The server description explicitly mentions 'order execution' and the sibling tools (cancel_order, get_option_chain, get_option_expirations) confirm this is a trading context. Placing orders commits real financial obligations and can result in significant monetary impact if misused.
From the tool's definition Tool name 'place_order' on a server described as connecting to 'Charles Schwab brokerage API' with 'secure order execution' capabilities, alongside sibling tools like 'cancel_order' and 'get_option_chain'
Attacks that exploit this kind of access
place_order. It is categorised as a Financial tool in the Schwab MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Schwab MCP server in PolicyLayer and add a rule for place_order: 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 Schwab. Nothing to install.
place_order is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the place_order 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.
Set action: deny in the PolicyLayer policy for place_order. 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.
place_order is provided by the Schwab MCP server (k1xme/schwab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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