binance_us_cancel_order

THE RISK

Critical Risk

Why binance_us_cancel_order needs a policy

Cancelling an active order on a financial exchange is a financial operation that directly affects trading positions and market obligations. While cancellation itself doesn't move money, it terminates a committed financial transaction on an exchange, placing it in the Financial category. Misuse could disrupt trading strategies or cause financial harm by cancelling orders at critical moments.

From the tool's definition Cancel an active order on Binance.US

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

POLICY

How to control binance_us_cancel_order

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 binance_us_cancel_order:

policy.json

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

Any call to binance_us_cancel_order 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

Related tools and policies

More Sperax Ecosystem Crypto & DeFI MCP Server tools

Financial api_ultrade_market_cancel_order Cancel open order Financial api_ultrade_market_cancel_orders Cancel multiple open orders Financial binance_us_cancel_oco Cancel an entire OCO order on Binance.US. Cancelling any individual leg will cancel the en Financial binance_us_cancel_replace Cancel an existing order and place a new order on the same symbol atomically. This is usef Financial binance_us_cust_cancel_orders_symbol Cancel all active custodial orders for a specific trading pair. ⚠️ REQUIRES CUSTODIAL SOL Financial BinanceCrossMarginCancelAllOrders Cancel all open orders on a symbol in Cross Margin account. Financial BinanceDeliveryCancelBatchOrders Cancel multiple COIN-M Futures orders in batch (max 10). Financial BinanceFutureCancelAlgoOrder The Cancel Algo Order API allows users to cancel an active algorithmic order on USDⓈ-M Con

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Go deeper

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.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about binance_us_cancel_order

What does the binance_us_cancel_order tool do? +

Cancel an active order on Binance.US. Either orderId or origClientOrderId must be provided. 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 binance_us_cancel_order? +

Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for binance_us_cancel_order: 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 binance_us_cancel_order? +

binance_us_cancel_order 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 binance_us_cancel_order? +

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

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

binance_us_cancel_order 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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