Get your current maker & taker fee rates for spot trading based on your VIP level. BNB fee discount (25% off) is not factored in.
AI agents call binance_us_trade_fee to retrieve information from BNB Chain MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves fee rate information for spot trading on Binance US. It performs a query operation to fetch existing data about the caller's fee structure. There is no modification, execution of external operations, deletion, or financial transaction involved – only data lookup. The tool informs the user of what fees they would pay, but does not itself execute trades or commit financial obligations.
From the tool's definition Tool description explicitly states 'Get your current maker & taker fee rates' – a retrieval operation with no side effects. It reads fee information based on VIP level status.
Documented attack patterns abuse exactly the kind of access binance_us_trade_fee gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BNB Chain MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_trade_fee:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_trade_fee": {}
}
}binance_us_trade_fee 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 your current maker & taker fee rates for spot trading based on your VIP level. BNB fee discount (25% off) is not factored in. It is categorised as a Read tool in the BNB Chain MCP MCP Server, which means it retrieves data without modifying state.
Register the BNB Chain MCP server in PolicyLayer and add a rule for binance_us_trade_fee: 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 BNB Chain MCP. Nothing to install.
binance_us_trade_fee 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_trade_fee 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_trade_fee. 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_trade_fee is provided by the BNB Chain MCP server (nirholas/bnbchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 1240 BNB Chain MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
1240 BNB Chain MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.