BinanceSubAccountAssets

WHAT IT DOES

What BinanceSubAccountAssets does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call BinanceSubAccountAssets to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why BinanceSubAccountAssets needs a policy

This tool retrieves and displays financial account information without modifying, executing operations, or moving funds. However, it operates on sensitive financial data (account balances and asset holdings), which justifies a 'medium' severity rating—exposure of this tool could allow an AI agent to enumerate account holdings and identify attack vectors.

From the tool's definition Tool name and description indicate retrieval of asset balance data: 'Get detailed asset balances for a specific sub-account.

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

POLICY

How to control BinanceSubAccountAssets

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 BinanceSubAccountAssets:

policy.json

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

BinanceSubAccountAssets 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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Sperax Ecosystem Crypto & DeFI MCP Server tools

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about BinanceSubAccountAssets

What does the BinanceSubAccountAssets tool do? +

Get detailed asset balances for a specific sub-account. Shows all tokens and their free/locked amounts. 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 BinanceSubAccountAssets? +

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

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

Can I rate-limit BinanceSubAccountAssets? +

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

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

BinanceSubAccountAssets 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.

CHECK YOUR STACK →

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1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.