Real-time price quote from Yahoo Finance for any stock, crypto, ETF or index.
AI agents call yahoo_price to retrieve information from Tradingview without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves current market price data from Yahoo Finance—a purely informational read operation with no side effects, no code execution, and no financial transactions. It gathers publicly available pricing information that an AI agent might use for analysis or decision-making, but the tool itself performs no writes, deletions, or financial actions.
From the tool's definition Tool name 'yahoo_price' and description 'Real-time price quote from Yahoo Finance' indicate data retrieval with no modification or execution of trades.
Attacks that exploit this kind of access
Real-time price quote from Yahoo Finance for any stock, crypto, ETF or index. It is categorised as a Read tool in the Tradingview MCP Server, which means it retrieves data without modifying state.
Register the Tradingview MCP server in PolicyLayer and add a rule for yahoo_price: 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. Nothing to install.
yahoo_price 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 yahoo_price 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 yahoo_price. 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.
yahoo_price is provided by the Tradingview MCP server (mrxjeus-cpu/trading-mcp-bot). 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.
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