binance_us_cust_balance

SERVERBinance MCP Server SOURCEnirholas/binance-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nirholas-binance-mcp/binance-us-cust-balance.md

WHAT IT DOES

What binance_us_cust_balance does on Binance MCP Server

AI agents use binance_us_cust_balance to create or update resources in Binance MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Binance MCP Server environment.

RISK

Why binance_us_cust_balance is rated Medium

An AI agent can call binance_us_cust_balance faster than any human can review: one bad instruction and it creates or modifies resources in Binance MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs binance_us_cust_balance safely

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

binance_us_cust_balance Rate-limited

binance_us_cust_balance stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "binance_us_cust_balance": {
      "limits": [
        {
          "counter": "binance_us_cust_balance_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about binance_us_cust_balance

What does the binance_us_cust_balance tool do? +

Get balance information for Binance.US exchange wallet and custodial sub-account. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY - Standard API keys will not work. This endpoint is for institutional custody partners (e.g., Anchorage, BitGo). Response includes: - exchangeWalletBalance: Balances in your Binance.US exchange wallet - custodialAcctBalance: Balances in your custodial sub-account Each balance entry contains: - asset: Asset symbol - free: Available balance - locked: Locked balance - inSettlement: Amount in settlement (custodial only) - lastUpdatedTime: Last update timestamp. It is categorised as a Write tool in the Binance MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on binance_us_cust_balance? +

Register the Binance MCP Server MCP server in PolicyLayer and add a rule for binance_us_cust_balance: 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 Binance MCP Server. Nothing to install.

What risk level is binance_us_cust_balance? +

binance_us_cust_balance is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit binance_us_cust_balance? +

Yes. Add a rate_limit block to the binance_us_cust_balance 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_balance completely? +

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

binance_us_cust_balance is provided by the Binance MCP Server MCP server (nirholas/binance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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