market_open_position · HyperLiquid MCP Server MCP

WHAT IT DOES

What market_open_position does on HyperLiquid MCP Server

AI agents use market_open_position to create or update resources in HyperLiquid MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your HyperLiquid MCP Server environment.

WHY IT NEEDS A POLICY

Why market_open_position needs a policy

An AI agent can call market_open_position faster than any human can review — one bad instruction and it creates or modifies resources in HyperLiquid MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

market_open_position Rate-limited

market_open_position stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "market_open_position": {
      "limits": [
        {
          "counter": "market_open_position_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches HyperLiquid MCP Server, so you can run agents against it safely.

FAQ

Questions about market_open_position

What does the market_open_position tool do? +

market_open_position. It is categorised as a Write tool in the HyperLiquid MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on market_open_position? +

Register the HyperLiquid MCP Server MCP server in PolicyLayer and add a rule for market_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 HyperLiquid MCP Server. Nothing to install.

What risk level is market_open_position? +

market_open_position is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit market_open_position? +

Yes. Add a rate_limit block to the market_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.

How do I block market_open_position completely? +

Set action: deny in the PolicyLayer policy for market_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.

What MCP server provides market_open_position? +

market_open_position 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.