BinanceSimpleEarnLockedSubscribe

THE RISK

Critical Risk

Why BinanceSimpleEarnLockedSubscribe needs a policy

This tool commits financial assets by subscribing to a locked earning product, which locks user funds for a specified duration. This constitutes a financial commitment that is not immediately reversible (funds are locked), making it Financial category with critical severity since an AI agent misusing this could lock user funds in products they didn't intend to subscribe to.

From the tool's definition Subscribe to a Simple Earn Locked product. ⚠️ Funds will be locked for the specified duration.

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

POLICY

How to control BinanceSimpleEarnLockedSubscribe

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 BinanceSimpleEarnLockedSubscribe:

policy.json

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

Any call to BinanceSimpleEarnLockedSubscribe is blocked until a human approves it. 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.

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EXPLORE

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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.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
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FAQ

Questions about BinanceSimpleEarnLockedSubscribe

What does the BinanceSimpleEarnLockedSubscribe tool do? +

Subscribe to a Simple Earn Locked product. ⚠️ Funds will be locked for the specified duration. Higher APR than flexible products!. It is categorised as a Financial tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on BinanceSimpleEarnLockedSubscribe? +

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

BinanceSimpleEarnLockedSubscribe 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 BinanceSimpleEarnLockedSubscribe? +

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

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

BinanceSimpleEarnLockedSubscribe 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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