Query margin price index for a specific symbol.
AI agents call BinanceCrossMarginPriceIndex 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 price/index data for informational purposes only. There are no side effects, no code execution, no data modification, and no financial transactions. The blast radius is minimal — misuse would only return incorrect price information to the user, not commit transactions or modify state. Severity is low because the information retrieved is likely public market data.
From the tool's definition Tool description states 'Query margin price index for a specific symbol' — the verb 'query' and the read-only nature of retrieving price index data without modification or execution indicates a Read operation.
Documented attack patterns abuse exactly the kind of access BinanceCrossMarginPriceIndex 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 BinanceCrossMarginPriceIndex:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceCrossMarginPriceIndex": {}
}
}BinanceCrossMarginPriceIndex is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Query margin price index for a specific symbol. 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 BinanceCrossMarginPriceIndex: 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.
BinanceCrossMarginPriceIndex 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 BinanceCrossMarginPriceIndex 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 BinanceCrossMarginPriceIndex. 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.
BinanceCrossMarginPriceIndex 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.