binance_us_subaccount_list

WHAT IT DOES

What binance_us_subaccount_list does on Sperax Ecosystem Crypto & DeFI MCP Server

AI agents call binance_us_subaccount_list 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 binance_us_subaccount_list needs a policy

This tool retrieves and lists sub-account data with optional filtering parameters. It has no side effects, does not modify data, does not execute code or commands, and does not authorize financial transactions. The operation is purely informational, fitting the Read category.

From the tool's definition Tool name 'binance_us_subaccount_list' and description 'Get a list of all sub-accounts. Filter by email or status' indicate a read-only operation that retrieves/queries account information without modification or execution.

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

POLICY

How to control binance_us_subaccount_list

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 binance_us_subaccount_list:

policy.json

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

binance_us_subaccount_list 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

Related tools and policies

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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 binance_us_subaccount_list

What does the binance_us_subaccount_list tool do? +

Get a list of all sub-accounts. Filter by email or status (enabled/disabled). 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 binance_us_subaccount_list? +

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

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

Can I rate-limit binance_us_subaccount_list? +

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

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

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