// MCP TOOL REFERENCE

binance_us_cust_cancel_order

ServerSperax Ecosystem Crypto & DeFI MCP Server
CategoryDestructive

How to control binance_us_cust_cancel_order ↓

WHAT IT DOES

What binance_us_cust_cancel_order does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call binance_us_cust_cancel_order to permanently remove resources in Sperax Ecosystem Crypto & DeFI MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

THE RISK

Critical Risk

Why binance_us_cust_cancel_order needs a policy

Canceling an active trade order is an irreversible operation that destroys/terminates a financial position. Although not a direct money movement (Financial category), it permanently removes an active trading instruction without possibility of restoration.

From the tool's definition Tool name contains 'cancel_order' which irreversibly terminates an active custodial trade order. Description states 'Cancel an active custodial trade order' and response shows 'status: CANCELED'. The action cannot be undone once executed.

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

POLICY

How to control binance_us_cust_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_cust_cancel_order:

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "binance_us_cust_cancel_order"
  ]
}

binance_us_cust_cancel_order disappears from the agent's tool list entirely, and any attempt to call it is denied. 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.

RESTRICT THIS TOOL →

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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_order Cancel an active order on Binance.US. Either orderId or origClientOrderId must be provided 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).

All 1318 Sperax Ecosystem Crypto & DeFI MCP Server tools →

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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.
Blast radius → How much damage one compromised or confused agent can do — and how to bound it.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about binance_us_cust_cancel_order

What does the binance_us_cust_cancel_order tool do? +

Cancel an active custodial trade order. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Either orderId or origClientOrderId must be provided. Response includes the canceled order details with status: CANCELED. It is categorised as a Destructive tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on binance_us_cust_cancel_order? +

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

binance_us_cust_cancel_order is a Destructive 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_cust_cancel_order? +

Yes. Add a rate_limit block to the binance_us_cust_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_cust_cancel_order completely? +

Set action: deny in the PolicyLayer policy for binance_us_cust_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_cust_cancel_order? +

binance_us_cust_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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1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.