place_order
AI agents use place_order to commit financial operations through QuantPlay MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
Even with an empty description, the tool name 'place_order' in the context of a trading/broker API strongly implies it submits financial orders (buy/sell securities), which constitutes a financial commitment. Misuse could result in unintended trades with real monetary consequences. Severity is critical due to irreversible financial impact and potential for significant monetary loss.
From the tool's definition Tool name 'place_order' on a trading API server ('QuantPlay trading API for managing broker accounts, tracking positions, and analyzing holdings'); description is empty but context is unambiguous.
Attacks that exploit this kind of access
place_order. It is categorised as a Financial tool in the QuantPlay MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the QuantPlay MCP Server 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 QuantPlay MCP Server. 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 QuantPlay MCP Server MCP server (quantplay/quantplay-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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