Get current funding rates for all perpetual contracts.
AI agents call get_funding_rates to retrieve information from Hyperliquid MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves market data (funding rates) from the Hyperliquid exchange without creating, modifying, deleting, or executing transactions. It is purely informational and read-only, consistent with other data-retrieval tools on the server (get_candles, get_l2_orderbook, get_open_orders). There are no financial commitments or irreversible actions involved in simply reading funding rate information.
From the tool's definition Tool name 'get_funding_rates' and description 'Get current funding rates for all perpetual contracts' indicate a data retrieval operation with no state modification or side effects.
Attacks that exploit this kind of access
Get current funding rates for all perpetual contracts. It is categorised as a Read tool in the Hyperliquid MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Hyperliquid MCP Server MCP server in PolicyLayer and add a rule for get_funding_rates: 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.
get_funding_rates 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 get_funding_rates 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 get_funding_rates. 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.
get_funding_rates is provided by the Hyperliquid MCP Server MCP server (jhonatanpinheiro/hyperliquid-mcp-server). 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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