Analyze trends in the Fear & Greed Index over a specified period, calculating averages and trend direction
AI agents call market_analyze_fear_greed_trend 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 and analyzes existing market data (Fear & Greed Index trends). It performs read-only queries and statistical calculations on historical data. There are no creation, modification, deletion, code execution, or financial transaction capabilities. The analysis is purely informational with no ability to alter state or commit financial obligations.
From the tool's definition Tool name 'market_analyze_fear_greed_trend' and description 'Analyze trends in the Fear & Greed Index over a specified period, calculating averages and trend direction' indicate data retrieval and analysis operations.
Documented attack patterns abuse exactly the kind of access market_analyze_fear_greed_trend 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 market_analyze_fear_greed_trend:
{
"version": "1",
"default": "deny",
"tools": {
"market_analyze_fear_greed_trend": {}
}
}market_analyze_fear_greed_trend is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Analyze trends in the Fear & Greed Index over a specified period, calculating averages and trend direction. 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 market_analyze_fear_greed_trend: 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.
market_analyze_fear_greed_trend 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 market_analyze_fear_greed_trend 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 market_analyze_fear_greed_trend. 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.
market_analyze_fear_greed_trend 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.