# binance_us_ticker_book

Get best bid/ask prices and quantities (top of book).

Agent View of the PolicyLayer registry record for `binance_us_ticker_book`. HTML page: https://policylayer.com/tools/nirholas-binance-mcp/binance-us-ticker-book

## Facts

- Tool: `binance_us_ticker_book`
- Server: Binance MCP Server (`nirholas/binance-mcp`) — https://policylayer.com/tools/nirholas-binance-mcp.md
- Homepage: https://github.com/nirholas/Binance-MCP
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "binance_us_ticker_book",
    "arguments": {}
  }
}
```

## Why binance_us_ticker_book is rated Low

This tool retrieves real-time market information (bid/ask prices) from the order book, which is a read-only operation with no ability to modify, execute, or delete data. Even in the context of a trading platform, querying public market data carries minimal risk as it cannot affect account balance, execute trades, or alter any state. The tool is informational only.

From the tool's own definition: "Tool name 'ticker_book' and description 'Get best bid/ask prices and quantities (top of book)' indicate retrieval of market data with no side effects."

## Use case

AI agents call binance_us_ticker_book to retrieve information from Binance MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Binance MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "binance_us_ticker_book": {}
  }
}
```

## Other tools on Binance MCP Server (733)

- `binance_us_cancel_all_open_orders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cancel-all-open-orders.md
- `binance_us_cancel_oco` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cancel-oco.md
- `binance_us_cancel_order` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cancel-order.md
- `binance_us_cancel_replace` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cancel-replace.md
- `binance_us_cust_cancel_oco` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cust-cancel-oco.md
- `binance_us_cust_cancel_order` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cust-cancel-order.md
- `binance_us_cust_cancel_orders_symbol` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binance-us-cust-cancel-orders-symbol.md
- `BinanceCancelHashRateResaleConfiguration` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancecancelhashrateresaleconfiguration.md
- `BinanceConvertCancelLimitOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binanceconvertcancellimitorder.md
- `BinanceCrossMarginCancelAllOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancecrossmargincancelallorders.md
- `BinanceCrossMarginCancelOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancecrossmargincancelorder.md
- `BinanceDeleteOpenOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeleteopenorders.md
- `BinanceDeleteOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeleteorder.md
- `BinanceDeleteUserDataStream` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeleteuserdatastream.md
- `BinanceDeliveryCancelAllOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeliverycancelallorders.md
- `BinanceDeliveryCancelBatchOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeliverycancelbatchorders.md
- `BinanceDeliveryCancelOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeliverycancelorder.md
- `BinanceDeliveryCountdownCancelAll` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedeliverycountdowncancelall.md
- `BinanceDisableIsolatedMarginAccount` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancedisableisolatedmarginaccount.md
- `BinanceFutureCancelAlgoOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturecancelalgoorder.md
- `BinanceFuturesCancelAllOpenOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescancelallopenorders.md
- `BinanceFuturesCancelAllOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescancelallorders.md
- `BinanceFuturesCancelBatchOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescancelbatchorders.md
- `BinanceFuturesCancelOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescancelorder.md
- `BinanceFuturesCOINMCancelAllOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescoinmcancelallorders.md
- `BinanceFuturesCOINMCancelBatchOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescoinmcancelbatchorders.md
- `BinanceFuturesCOINMCancelOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturescoinmcancelorder.md
- `BinanceFuturesUSDMCancelAllOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturesusdmcancelallorders.md
- `BinanceFuturesUSDMCancelBatchOrders` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturesusdmcancelbatchorders.md
- `BinanceFuturesUSDMCancelOrder` — Destructive — https://policylayer.com/tools/nirholas-binance-mcp/binancefuturesusdmcancelorder.md
- …and 703 more: https://policylayer.com/tools/nirholas-binance-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=nirholas-binance-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/nirholas-binance-mcp