BinanceFuturesModifyPositionMargin

THE RISK

Critical Risk

Why BinanceFuturesModifyPositionMargin needs a policy

This tool directly manipulates margin on futures positions, which constitutes a financial operation with real monetary consequences. Misuse could result in liquidation of positions or unexpected exposure, making it critical severity.

From the tool's definition Add or reduce margin for an isolated position in USD-M Futures

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

POLICY

How to control BinanceFuturesModifyPositionMargin

PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for BinanceFuturesModifyPositionMargin:

policy.json

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

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

Create a free account and register Sperax Ecosystem Crypto & DeFI MCP Server — 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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Critical-risk tools in Sperax Ecosystem Crypto & DeFI MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
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FAQ

Questions about BinanceFuturesModifyPositionMargin

What does the BinanceFuturesModifyPositionMargin tool do? +

Add or reduce margin for an isolated position in USD-M Futures. It is categorised as a Financial tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on BinanceFuturesModifyPositionMargin? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for BinanceFuturesModifyPositionMargin: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.

What risk level is BinanceFuturesModifyPositionMargin? +

BinanceFuturesModifyPositionMargin 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 BinanceFuturesModifyPositionMargin? +

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

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

BinanceFuturesModifyPositionMargin is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Sperax Ecosystem Crypto & DeFI MCP Server tool call.

Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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