BinancePortfolioMarginGetMaxBorrowable

THE RISK

Low Risk

Why BinancePortfolioMarginGetMaxBorrowable needs a policy

This is a read-only query tool that retrieves borrowing capacity information from the Binance Portfolio Margin system. It has no side effects, does not execute transactions, and cannot cause financial loss by itself—it only informs about available borrowing limits. The blast radius is minimal as misuse only provides incorrect information about limits, not actual financial movement.

From the tool's definition Tool name and description indicate a query operation: 'Get' and 'Query the maximum amount that can be borrowed'. Returns data about borrowing limits without modifying state, executing code, deleting data, or moving funds.

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

POLICY

How to control BinancePortfolioMarginGetMaxBorrowable

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 BinancePortfolioMarginGetMaxBorrowable:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "BinancePortfolioMarginGetMaxBorrowable": {}
  }
}

BinancePortfolioMarginGetMaxBorrowable is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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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FAQ

Questions about BinancePortfolioMarginGetMaxBorrowable

What does the BinancePortfolioMarginGetMaxBorrowable tool do? +

Query the maximum amount that can be borrowed for a specific asset in Portfolio Margin mode. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on BinancePortfolioMarginGetMaxBorrowable? +

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

BinancePortfolioMarginGetMaxBorrowable is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit BinancePortfolioMarginGetMaxBorrowable? +

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

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

BinancePortfolioMarginGetMaxBorrowable 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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