hl_set_margin_mode

Switch between Cross and Isolated margin mode on Hyperliquid

SERVERWaiaas SOURCEminhoyoo-iotrust/waiaas

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/minhoyoo-iotrust-waiaas/hl-set-margin-mode.md

WHAT IT DOES

What hl_set_margin_mode does on Waiaas

AI agents use hl_set_margin_mode to commit financial operations through Waiaas, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why hl_set_margin_mode is rated Critical

Changing margin mode on a perpetuals exchange (Hyperliquid) directly affects how margin is allocated across positions. Switching from Isolated to Cross can expose the entire account balance to liquidation risk, or vice versa. This is a financial configuration change with significant implications for trading positions and potential losses, making it a Financial category tool with high severity.

From the tool's definition Switch between Cross and Isolated margin mode on Hyperliquid

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hl_set_margin_mode safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Waiaas, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hl_set_margin_mode, this is the rule to start with:

hl_set_margin_mode Approval-gated

Any call to hl_set_margin_mode is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hl_set_margin_mode": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Waiaas, apply this rule, and every hl_set_margin_mode call is checked against it from then on.

FAQ

Questions about hl_set_margin_mode

What does the hl_set_margin_mode tool do? +

Switch between Cross and Isolated margin mode on Hyperliquid. It is categorised as a Financial tool in the Waiaas MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on hl_set_margin_mode? +

Register the Waiaas MCP server in PolicyLayer and add a rule for hl_set_margin_mode: 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 Waiaas. Nothing to install.

What risk level is hl_set_margin_mode? +

hl_set_margin_mode is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit hl_set_margin_mode? +

Yes. Add a rate_limit block to the hl_set_margin_mode 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 hl_set_margin_mode completely? +

Set action: deny in the PolicyLayer policy for hl_set_margin_mode. 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 hl_set_margin_mode? +

hl_set_margin_mode is provided by the Waiaas MCP server (minhoyoo-iotrust/waiaas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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