Open a REAL leveraged long or short position on Hyperliquid. Supports stocks (TSLA 5x), commodities (GOLD 10x), crypto (BTC 50x). Orders execute directly on YOUR HL account. Fees: Hyperliquid base + builder fee (2 bps free tier). Referral agents earn 20% commission.
AI agents use trading_open_position to commit financial operations through Purple Flea Trading — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly commits real financial capital by opening leveraged trading positions (up to 50x) on live markets. It involves real money, incurs fees, and can result in significant financial loss. This is unambiguously a Financial-category tool with critical severity due to the potential for leveraged losses and irreversible market orders.
From the tool's definition Open a REAL leveraged long or short position on Hyperliquid... Orders execute directly on YOUR HL account... crypto (BTC 50x)... builder fee (2 bps free tier). Referral agents earn 20% commission.
Attacks that exploit this kind of access
Open a REAL leveraged long or short position on Hyperliquid. Supports stocks (TSLA 5x), commodities (GOLD 10x), crypto (BTC 50x). Orders execute directly on YOUR HL account. Fees: Hyperliquid base + builder fee (2 bps free tier). Referral agents earn 20% commission. It is categorised as a Financial tool in the Purple Flea Trading MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Purple Flea Trading MCP server in PolicyLayer and add a rule for trading_open_position: 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 Purple Flea Trading. Nothing to install.
trading_open_position 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 trading_open_position 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 trading_open_position. 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.
trading_open_position is provided by the Purple Flea Trading MCP server (purple-flea/agent-trading). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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