Get information about available WebSocket streams on Binance.US. Returns details about: - Market data streams (public) - User data streams (requires listen key) - Connection URLs and limits
AI agents call binance_us_websocket_info to retrieve information from Binance US MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about WebSocket stream availability and configuration. It is informational only—no side effects, no data modification, no financial transactions, and no code execution. Despite the Binance.US context (a financial platform), the specific tool merely provides read-only information about stream endpoints and capabilities.
From the tool's definition Tool description states it 'Get information about available WebSocket streams' and 'Returns details about' connection URLs and stream availability. No mutation, deletion, or execution of trades/transfers occurs.
Documented attack patterns abuse exactly the kind of access binance_us_websocket_info gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Binance US MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_websocket_info:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_websocket_info": {}
}
} binance_us_websocket_info is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get information about available WebSocket streams on Binance.US. Returns details about: - Market data streams (public) - User data streams (requires listen key) - Connection URLs and limits. It is categorised as a Read tool in the Binance US MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Binance US MCP Server MCP server in PolicyLayer and add a rule for binance_us_websocket_info: 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 US MCP Server. Nothing to install.
binance_us_websocket_info is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the binance_us_websocket_info 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 binance_us_websocket_info. 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.
binance_us_websocket_info is provided by the Binance US MCP Server MCP server (nirholas/binance-us-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Binance US MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
93 Binance US MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.