Get API key permissions for a sub-account. Shows what operations the API key is allowed to perform.
AI agents call BinanceSubAccountApiPermission 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 queries and returns information about API key permissions without modifying, deleting, or executing any operations. It is purely informational retrieval about access control settings. The severity is low because misuse would only expose metadata about permissions rather than enable unauthorized actions or data loss.
From the tool's definition The tool 'Get API key permissions for a sub-account' retrieves and displays what operations an API key is allowed to perform. The verb 'Get' and the phrase 'Shows what operations' indicate a read-only query operation with no side effects.
Documented attack patterns abuse exactly the kind of access BinanceSubAccountApiPermission 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 BinanceSubAccountApiPermission:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceSubAccountApiPermission": {}
}
}BinanceSubAccountApiPermission is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get API key permissions for a sub-account. Shows what operations the API key is allowed to perform. 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 BinanceSubAccountApiPermission: 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.
BinanceSubAccountApiPermission 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 BinanceSubAccountApiPermission 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 BinanceSubAccountApiPermission. 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.
BinanceSubAccountApiPermission 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.