Place a market order sized by account risk. Reads balance + symbol pricing, computes lots so that hitting the stop loses exactly risk_percent of balance, sets a take profit at risk_reward_ratio * stop distance. Pass dry_run:true to preview without trading.
AI agents use place_risk_order to commit financial operations through MetaTrader 5 MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly places live market orders in MetaTrader 5, committing real financial capital based on account balance and risk parameters. It moves money by entering trading positions that can result in real monetary gains or losses.
From the tool's definition Place a market order sized by account risk...computes lots so that hitting the stop loses exactly risk_percent of balance, sets a take profit at risk_reward_ratio * stop distance
Attacks that exploit this kind of access
Place a market order sized by account risk. Reads balance + symbol pricing, computes lots so that hitting the stop loses exactly risk_percent of balance, sets a take profit at risk_reward_ratio * stop distance. Pass dry_run:true to preview without trading. It is categorised as a Financial tool in the MetaTrader 5 MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the MetaTrader 5 MCP server in PolicyLayer and add a rule for place_risk_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 MetaTrader 5 MCP. Nothing to install.
place_risk_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_risk_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_risk_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_risk_order is provided by the MetaTrader 5 MCP server (rpieterse/mcp-studio-mt5-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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