binance_us_create_listen_key

SERVERBinance MCP Server SOURCEnirholas/binance-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nirholas-binance-mcp/binance-us-create-listen-key.md

WHAT IT DOES

What binance_us_create_listen_key does on Binance MCP Server

AI agents use binance_us_create_listen_key to create or update resources in Binance MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Binance MCP Server environment.

RISK

Why binance_us_create_listen_key is rated Medium

An AI agent can call binance_us_create_listen_key faster than any human can review: one bad instruction and it creates or modifies resources in Binance MCP Server by the hundred, each call as confident as the last.

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs binance_us_create_listen_key safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Binance MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For binance_us_create_listen_key, this is the rule to start with:

binance_us_create_listen_key Rate-limited

binance_us_create_listen_key stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "binance_us_create_listen_key": {
      "limits": [
        {
          "counter": "binance_us_create_listen_key_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Binance MCP Server, apply this rule, and every binance_us_create_listen_key call is checked against it from then on.

FAQ

Questions about binance_us_create_listen_key

What does the binance_us_create_listen_key tool do? +

Create a new listen key for User Data Stream WebSocket connection. The listen key is used to subscribe to real-time account updates via WebSocket. Connect to: ${BINANCE_US_CONFIG.WS_URL}/ws/<listenKey> ⚠️ IMPORTANT: - Listen keys are valid for 60 minutes - Use binance_us_keepalive_listen_key every 30 minutes to extend validity - A stream will close when the listen key expires - You can only have ONE active listen key per account The stream sends updates for: - outboundAccountPosition: Account balance updates - balanceUpdate: Deposit/withdrawal updates - executionReport: Order/trade updates This endpoint requires API key but does NOT require signature. It is categorised as a Write tool in the Binance MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on binance_us_create_listen_key? +

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

What risk level is binance_us_create_listen_key? +

binance_us_create_listen_key is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit binance_us_create_listen_key? +

Yes. Add a rate_limit block to the binance_us_create_listen_key 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_create_listen_key completely? +

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

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

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