Get current price, funding rate, open interest, and 24h volume for a perpetual market
AI agents call get_market_info 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 only retrieves real-time market data (price, funding rate, open interest, volume) and performs no writes, deletions, or financial transactions. It is purely informational. Even in the context of a trading platform, reading market data poses minimal risk—an AI agent cannot cause financial harm or irreversible damage by fetching this information.
From the tool's definition Tool description states it 'Get[s] current price, funding rate, open interest, and 24h volume' — retrieves market data with no modification or side effects. The verb 'get' and the read-only nature of market information confirm this is a query operation.
Attacks that exploit this kind of access
Get current price, funding rate, open interest, and 24h volume for a perpetual market. 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_market_info: 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_market_info 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_market_info 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_market_info. 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_market_info is provided by the Hyperliquid MCP Server MCP server (samklein952-hub/hyperliquid-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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