Return top gainers for an exchange and timeframe using bollinger band analysis.
AI agents call top_gainers 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 queries and retrieves market data (top gainers) filtered by technical analysis criteria (bollinger bands). It performs no write operations, does not execute trades or financial transactions, does not delete data, and does not run arbitrary code. It is a read-only analytical query that surfaces existing market information to inform trading decisions but does not itself execute those decisions.
From the tool's definition Tool is named 'top_gainers' and described as returning/retrieving top gainers data using bollinger band analysis. The verb 'return' and the analytical nature indicate data retrieval with no modification or execution of trades.
Attacks that exploit this kind of access
Return top gainers 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_gainers: 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_gainers 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_gainers 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_gainers. 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_gainers 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →