BinanceSubAccountFuturesSummary

THE RISK

Low Risk

Why BinanceSubAccountFuturesSummary needs a policy

This tool retrieves financial account information (margins, PnL) but performs no write, execute, destructive, or financial transaction operations. It is a read-only query that returns account summaries without altering state or moving funds. Severity is low because reading account data poses minimal risk even if misused by an AI agent.

From the tool's definition Tool name 'BinanceSubAccountFuturesSummary' and description 'Get futures account summary for all sub-accounts. Returns total initial margin, maintenance margin, and unrealized PnL.' indicate data retrieval with no modification or side effects.

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

POLICY

How to control BinanceSubAccountFuturesSummary

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 BinanceSubAccountFuturesSummary:

policy.json

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

BinanceSubAccountFuturesSummary 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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The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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FAQ

Questions about BinanceSubAccountFuturesSummary

What does the BinanceSubAccountFuturesSummary tool do? +

Get futures account summary for all sub-accounts. Returns total initial margin, maintenance margin, and unrealized PnL. 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 BinanceSubAccountFuturesSummary? +

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

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

Can I rate-limit BinanceSubAccountFuturesSummary? +

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

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

BinanceSubAccountFuturesSummary 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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