Critical Risk →

binance_us_withdraw_fiat

Submit a USD withdrawal request via BITGO. ⚠️ This action transfers USD OUT of your account!

How to control binance_us_withdraw_fiat ↓

AI agents use binance_us_withdraw_fiat to commit financial operations through BNB Chain MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.

Critical Risk

This tool commits financial obligations by withdrawing USD from a user's account. Financial category is the most severe applicable, and severity is critical because an AI agent misusing this could drain account funds irreversibly. High confidence due to unambiguous language describing outbound USD transfers.

From the tool's definition Tool name explicitly contains 'withdraw_fiat' and description states 'Submit a USD withdrawal request via BITGO' with warning that 'This action transfers USD OUT of your account!' — this directly moves money.

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

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 binance_us_withdraw_fiat:

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

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

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

What does the binance_us_withdraw_fiat tool do? +

Submit a USD withdrawal request via BITGO. ⚠️ This action transfers USD OUT of your account!. 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 binance_us_withdraw_fiat? +

Register the BNB Chain MCP server in PolicyLayer and add a rule for binance_us_withdraw_fiat: 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 binance_us_withdraw_fiat? +

binance_us_withdraw_fiat 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_withdraw_fiat? +

Yes. Add a rate_limit block to the binance_us_withdraw_fiat 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_withdraw_fiat completely? +

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

binance_us_withdraw_fiat 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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1240 BNB Chain MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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