Get real-time or near real-time quote data for one or more Yahoo Finance symbols.
AI agents call quote to retrieve information from Yahoo Finance2 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'quote' tool retrieves financial market data (quotes) from Yahoo Finance. It performs a read-only query operation that returns information without any side effects or state changes. No data is created, modified, deleted, or financial transactions are executed. This is a straightforward Read category tool with low severity since unauthorized quote retrieval poses minimal direct risk to systems or data integrity.
From the tool's definition Tool description states 'Get real-time or near real-time quote data for one or more Yahoo Finance symbols.' This is a data retrieval operation with no modification, creation, or deletion of data.
Attacks that exploit this kind of access
Get real-time or near real-time quote data for one or more Yahoo Finance symbols. It is categorised as a Read tool in the Yahoo Finance2 MCP Server, which means it retrieves data without modifying state.
Register the Yahoo Finance2 MCP server in PolicyLayer and add a rule for quote: 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 Yahoo Finance2. Nothing to install.
quote 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 quote 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 quote. 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.
quote is provided by the Yahoo Finance2 MCP server (gadicc/yahoo-finance2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
quote is one line of Yahoo Finance2's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →