gnfd_deposit_to_payment

THE RISK

Critical Risk

This tool commits financial obligations by depositing funds into a payment account. While not an irreversible deletion, fund deposits are financial transactions that could result in significant loss if misused by an AI agent (e.g., depositing to wrong account, excessive amounts). Financial operations are more severe than Execute or Write categories per the classification hierarchy.

From the tool's definition Tool name contains 'deposit' and description states 'Deposit funds into a payment account' - this directly involves moving funds into an account, which is a financial operation.

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

HOW TO CONTROL GNFD_DEPOSIT_TO_PAYMENT

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 gnfd_deposit_to_payment:

policy.json

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

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

Create a free account and register BNB Chain MCP — 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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Go deeper

Critical-risk tools in BNB Chain MCP → 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.
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FAQ

What does the gnfd_deposit_to_payment tool do? +

Deposit funds into a payment 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 gnfd_deposit_to_payment? +

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

gnfd_deposit_to_payment 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 gnfd_deposit_to_payment? +

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

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

gnfd_deposit_to_payment 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.

Enforce policy on every BNB Chain MCP tool call.

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// WHAT GNFD_DEPOSIT_TO_PAYMENT ON BNB CHAIN MCP DOES

// THE RISK

// HOW TO CONTROL GNFD_DEPOSIT_TO_PAYMENT

// EXPLORE