Place a stop-limit order. Use positive quantity for buy and negative quantity for sell.
AI agents use place_stop_limit_order to commit financial operations through Trading 212 MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool places real market orders (buy or sell) on Trading 212, a live trading platform. Misuse could result in unintended financial transactions, significant monetary loss, or unauthorized trades. Financial category applies as it commits financial obligations, and severity is critical due to the direct and immediate monetary impact.
From the tool's definition 'Place a stop-limit order. Use positive quantity for buy and negative quantity for sell.' — directly executes a financial trade order on a live trading platform.
Attacks that exploit this kind of access
Place a stop-limit order. Use positive quantity for buy and negative quantity for sell. It is categorised as a Financial tool in the Trading 212 MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Trading 212 MCP Server MCP server in PolicyLayer and add a rule for place_stop_limit_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 Trading 212 MCP Server. Nothing to install.
place_stop_limit_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_stop_limit_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_stop_limit_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_stop_limit_order is provided by the Trading 212 MCP Server MCP server (razeevascx/212mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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