Transfer funds between spot and perpetual accounts
AI agents use transfer_between_spot_and_perp to commit financial operations through HyperLiquid MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
transfer_between_spot_and_perp moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.
Attacks that exploit this kind of access
Transfer funds between spot and perpetual accounts. It is categorised as a Financial tool in the HyperLiquid MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the HyperLiquid MCP Server MCP server in PolicyLayer and add a rule for transfer_between_spot_and_perp: 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 HyperLiquid MCP Server. Nothing to install.
transfer_between_spot_and_perp 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 transfer_between_spot_and_perp 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 transfer_between_spot_and_perp. 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.
transfer_between_spot_and_perp is provided by the HyperLiquid MCP Server MCP server (talkincode/hyperliquid-mcp-python). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.