Get mark price and funding rate for USD-M Futures symbols.
AI agents call BinanceFuturesPremiumIndex 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 financial market data (mark prices and funding rates) without executing trades, modifying positions, moving funds, or triggering any state-changing operations. While the data is financial in nature, the tool itself only queries/reads information, making it a Read category risk. Severity is low because misuse poses no direct financial loss—it returns market information only.
From the tool's definition Tool description states it 'Get[s] mark price and funding rate for USD-M Futures symbols' — a retrieval operation with no modification or execution capability.
Documented attack patterns abuse exactly the kind of access BinanceFuturesPremiumIndex 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 BinanceFuturesPremiumIndex:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceFuturesPremiumIndex": {}
}
}BinanceFuturesPremiumIndex is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get mark price and funding rate for USD-M Futures symbols. 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 BinanceFuturesPremiumIndex: 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.
BinanceFuturesPremiumIndex 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 BinanceFuturesPremiumIndex 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 BinanceFuturesPremiumIndex. 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.
BinanceFuturesPremiumIndex 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.