BinanceSubscribeFlexibleProduct

THE RISK

Critical Risk

This tool commits financial obligations by subscribing to a Binance Simple Earn product, moving funds from a user's account into an earning product. This is a financial transaction that locks or moves real assets, making it Financial category with high severity due to the potential for misuse or unintended fund allocation.

From the tool's definition Subscribe to a Simple Earn Flexible Product by specifying the product ID and amount

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

HOW TO CONTROL BINANCESUBSCRIBEFLEXIBLEPRODUCT

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 BinanceSubscribeFlexibleProduct:

policy.json

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

Any call to BinanceSubscribeFlexibleProduct 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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All 1240 BNB Chain MCP tools →

Financial tools on other servers

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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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Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

What does the BinanceSubscribeFlexibleProduct tool do? +

Subscribe to a Simple Earn Flexible Product by specifying the product ID and amount. Optional parameters include auto-subscribe and source 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 BinanceSubscribeFlexibleProduct? +

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

BinanceSubscribeFlexibleProduct 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 BinanceSubscribeFlexibleProduct? +

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

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

BinanceSubscribeFlexibleProduct 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.

Deterministic rules across all 1240 BNB Chain MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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BinanceSubscribeFlexibleProduct

// WHAT BINANCESUBSCRIBEFLEXIBLEPRODUCT ON BNB CHAIN MCP DOES

// THE RISK

// HOW TO CONTROL BINANCESUBSCRIBEFLEXIBLEPRODUCT

// EXPLORE