BinanceFuturesChangeMarginType

THE RISK

Critical Risk

This tool modifies the margin configuration for futures trading positions. Changing margin type between ISOLATED and CROSSED directly affects financial risk exposure and loss limits on futures contracts. A misconfiguration (e.g., switching to CROSSED margin) could expose the entire account balance to liquidation risk, making this a high-severity financial operation.

From the tool's definition Change margin type between ISOLATED and CROSSED for a USD-M Futures symbol

Documented attack patterns abuse exactly the kind of access BinanceFuturesChangeMarginType gives an agent:

HOW TO CONTROL BINANCEFUTURESCHANGEMARGINTYPE

PolicyLayer is an MCP gateway — it sits between your AI agents and BNB Chain MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for BinanceFuturesChangeMarginType:

policy.json

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

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

Create a free account and register BNB Chain MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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FAQ

What does the BinanceFuturesChangeMarginType tool do? +

Change margin type between ISOLATED and CROSSED for a USD-M Futures symbol. ⚠️ Cannot change if you have existing positions or open orders. It is categorised as a Financial tool in the BNB Chain MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on BinanceFuturesChangeMarginType? +

Register the BNB Chain MCP server in PolicyLayer and add a rule for BinanceFuturesChangeMarginType: 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 BNB Chain MCP. Nothing to install.

What risk level is BinanceFuturesChangeMarginType? +

BinanceFuturesChangeMarginType 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 BinanceFuturesChangeMarginType? +

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

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

BinanceFuturesChangeMarginType is provided by the BNB Chain MCP server (nirholas/bnbchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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BinanceFuturesChangeMarginType

// WHAT BINANCEFUTURESCHANGEMARGINTYPE ON BNB CHAIN MCP DOES

// THE RISK

// HOW TO CONTROL BINANCEFUTURESCHANGEMARGINTYPE

// EXPLORE