binance_us_keepalive_listen_key

Extend the validity of a listen key by 60 minutes. ⚠️ IMPORTANT: - Call this every 30 minutes to prevent the stream from closing - If the key expires, you

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-keepalive-listen-key.md

WHAT IT DOES

What binance_us_keepalive_listen_key does on Binance MCP Server

AI agents use binance_us_keepalive_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_keepalive_listen_key is rated Medium

This tool modifies the state of a listen key by extending its expiry. It is a reversible write operation (the key's validity period is updated) with no destructive, financial, or execution implications. The blast radius if misused is low — at worst it keeps a WebSocket stream alive longer than intended.

From the tool's definition Extend the validity of a listen key by 60 minutes

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs binance_us_keepalive_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_keepalive_listen_key, this is the rule to start with:

binance_us_keepalive_listen_key Rate-limited

binance_us_keepalive_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_keepalive_listen_key": {
      "limits": [
        {
          "counter": "binance_us_keepalive_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_keepalive_listen_key call is checked against it from then on.

FAQ

Questions about binance_us_keepalive_listen_key

What does the binance_us_keepalive_listen_key tool do? +

Extend the validity of a listen key by 60 minutes. ⚠️ IMPORTANT: - Call this every 30 minutes to prevent the stream from closing - If the key expires, you. 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_keepalive_listen_key? +

Register the Binance MCP Server MCP server in PolicyLayer and add a rule for binance_us_keepalive_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_keepalive_listen_key? +

binance_us_keepalive_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_keepalive_listen_key? +

Yes. Add a rate_limit block to the binance_us_keepalive_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_keepalive_listen_key completely? +

Set action: deny in the PolicyLayer policy for binance_us_keepalive_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_keepalive_listen_key? +

binance_us_keepalive_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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