Return top losers for an exchange and timeframe using bollinger band analysis.
AI agents call top_losers to retrieve information from TradingView MCP Server 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 (identifying losing assets using technical indicators). It performs no writes, deletions, code execution, or financial transactions—it only reads and filters public market information. The lightweight nature of querying pre-computed market statistics with no side effects places it firmly in the Read category with low severity.
From the tool's definition Tool name 'top_losers' and description 'Return top losers for an exchange and timeframe using bollinger band analysis' indicate data retrieval and analysis. No parameters suggest data modification, deletion, or execution of trades.
Attacks that exploit this kind of access
Return top losers for an exchange and timeframe using bollinger band analysis. It is categorised as a Read tool in the TradingView MCP Server MCP Server, which means it retrieves data without modifying state.
Register the TradingView MCP Server MCP server in PolicyLayer and add a rule for top_losers: 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 TradingView MCP Server. Nothing to install.
top_losers 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 top_losers 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 top_losers. 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.
top_losers is provided by the TradingView MCP Server MCP server (patch-ridermg48/tradingview-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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