# BinanceFuturesKeepAliveListenKey

Keepalive a USD-M Futures user data stream listen key. Extends the validity by 60 minutes. Should be called every 30-50 minutes to maintain the connection.

Agent View of the PolicyLayer registry record for `BinanceFuturesKeepAliveListenKey`. HTML page: https://policylayer.com/tools/nirholas-binance-mcp/binancefutureskeepalivelistenkey

## Facts

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

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

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

## Why BinanceFuturesKeepAliveListenKey is rated High

This tool triggers an external operation (renewing/extending a session key on Binance's servers). It doesn't read data, write persistent data, or perform financial operations — it maintains an active connection by pinging an external service. Classified as Execute due to the external side-effect of session extension. Severity is low since misuse would at worst keep a stream alive unnecessarily or cause it to expire.

From the tool's own definition: "Keepalive a USD-M Futures user data stream listen key. Extends the validity by 60 minutes."

Risk signals: Bulk/mass operation — affects multiple targets

## Use case

AI agents invoke BinanceFuturesKeepAliveListenKey to trigger actions in Binance MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

## Recommended policy (PolicyLayer)

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

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "BinanceFuturesKeepAliveListenKey": {
      "limits": [
        {
          "counter": "binancefutureskeepalivelistenkey_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## 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