BinancePortfolioMarginDeleteListenKey
Close/delete a Portfolio Margin listen key. This will terminate the user data stream connection.
This record as markdown: /tools/nirholas-binance-mcp/binanceportfoliomargindeletelistenkey.md
What BinancePortfolioMarginDeleteListenKey does on Binance MCP Server
AI agents call BinancePortfolioMarginDeleteListenKey to permanently remove resources in Binance MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why BinancePortfolioMarginDeleteListenKey is rated Critical
The tool explicitly deletes a listen key and terminates the user data stream connection. This is an irreversible action (the listen key is destroyed and the stream is terminated), classifying it as Destructive. The blast radius is medium — it disrupts real-time data streaming for portfolio margin monitoring, which could affect trading decisions, but does not directly move funds or delete financial assets.
From the tool's definition Close/delete a Portfolio Margin listen key. This will terminate the user data stream connection.
Attacks that exploit this kind of access
The rule that runs BinancePortfolioMarginDeleteListenKey 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 BinancePortfolioMarginDeleteListenKey, this is the rule to start with:
BinancePortfolioMarginDeleteListenKey is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Binance MCP Server, apply this rule, and every BinancePortfolioMarginDeleteListenKey call is checked against it from then on.
Questions about BinancePortfolioMarginDeleteListenKey
Close/delete a Portfolio Margin listen key. This will terminate the user data stream connection. It is categorised as a Destructive tool in the Binance MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Binance MCP Server MCP server in PolicyLayer and add a rule for BinancePortfolioMarginDeleteListenKey: 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.
BinancePortfolioMarginDeleteListenKey is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the BinancePortfolioMarginDeleteListenKey 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.
Set action: deny in the PolicyLayer policy for BinancePortfolioMarginDeleteListenKey. 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.
BinancePortfolioMarginDeleteListenKey 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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