Calculate the minimum order size needed to meet Hyperliquid's minimum order value requirement.
AI agents call calculate_min_order_size to retrieve information from Hyperliquid without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a stateless calculation based on exchange rules to return a numeric value. It does not create, modify, delete, or execute any orders or financial transactions. It merely retrieves or computes informational data that informs trading decisions. Even in the context of a trading platform, this is a read-only informational query with no blast radius if misused.
From the tool's definition Tool description states it 'Calculate[s] the minimum order size needed to meet Hyperliquid's minimum order value requirement.' The verb 'calculate' indicates a computational retrieval of a constraint parameter with no side effects.
Attacks that exploit this kind of access
Calculate the minimum order size needed to meet Hyperliquid's minimum order value requirement. It is categorised as a Read tool in the Hyperliquid MCP Server, which means it retrieves data without modifying state.
Register the Hyperliquid MCP server in PolicyLayer and add a rule for calculate_min_order_size: 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. Nothing to install.
calculate_min_order_size is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the calculate_min_order_size 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 calculate_min_order_size. 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.
calculate_min_order_size is provided by the Hyperliquid MCP server (midodimori/hyperliquid-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.
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