Query maximum transferable amount for an asset in Cross Margin.
AI agents call BinanceCrossMarginMaxTransferable 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.
The tool performs a data retrieval operation ('query') to inform the user of a margin trading parameter. It has no side effects, does not modify balances, does not execute transactions, and does not commit financial obligations. While it relates to financial operations, it is purely informational and non-binding. This is straightforward Read category behavior.
From the tool's definition Tool description states 'Query maximum transferable amount' — a read-only operation that retrieves data about asset transfer limits without modifying state or executing external actions.
Documented attack patterns abuse exactly the kind of access BinanceCrossMarginMaxTransferable 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 BinanceCrossMarginMaxTransferable:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceCrossMarginMaxTransferable": {}
}
}BinanceCrossMarginMaxTransferable is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Query maximum transferable amount for an asset in Cross Margin. 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 BinanceCrossMarginMaxTransferable: 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.
BinanceCrossMarginMaxTransferable 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 BinanceCrossMarginMaxTransferable 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 BinanceCrossMarginMaxTransferable. 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.
BinanceCrossMarginMaxTransferable 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.