binance_us_ticker_24hr

THE RISK

Low Risk

Why binance_us_ticker_24hr needs a policy

This tool retrieves historical price statistics over a 24-hour period. It performs a query operation that returns data without creating, modifying, deleting, or executing any trades or financial transactions. The blast radius of misuse is minimal—an AI agent querying this endpoint cannot cause financial harm, data loss, or unwanted operations. This is a standard Read category operation.

From the tool's definition Tool name 'binance_us_ticker_24hr' and description 'Get 24-hour rolling window price change statistics' indicate retrieval of market data with no modification or side effects.

Documented attack patterns abuse exactly the kind of access binance_us_ticker_24hr gives an agent:

POLICY

How to control binance_us_ticker_24hr

PolicyLayer is an MCP gateway — it sits between your AI agents and Binance US MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_ticker_24hr:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "binance_us_ticker_24hr": {}
  }
}

binance_us_ticker_24hr 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 Binance US 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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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_ticker_24hr

What does the binance_us_ticker_24hr tool do? +

Get 24-hour rolling window price change statistics. It is categorised as a Read tool in the Binance US MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on binance_us_ticker_24hr? +

Register the Binance US MCP Server MCP server in PolicyLayer and add a rule for binance_us_ticker_24hr: 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 Binance US MCP Server. Nothing to install.

What risk level is binance_us_ticker_24hr? +

binance_us_ticker_24hr is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit binance_us_ticker_24hr? +

Yes. Add a rate_limit block to the binance_us_ticker_24hr 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_ticker_24hr completely? +

Set action: deny in the PolicyLayer policy for binance_us_ticker_24hr. 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_ticker_24hr? +

binance_us_ticker_24hr is provided by the Binance US MCP Server MCP server (nirholas/binance-us-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Binance US MCP Server tool call.

Start from Binance US 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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