Get related and similar stock recommendations for one or more symbols.
AI agents call recommendationsBySymbol 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.
This tool retrieves and presents stock recommendation information based on input symbols. It is a read-only operation with no side effects—it does not execute trades, modify user data, delete records, or trigger any irreversible actions. The low severity reflects minimal risk from misuse, as providing stock recommendations cannot directly harm systems or data.
From the tool's definition Tool name 'recommendationsBySymbol' and description 'Get related and similar stock recommendations' indicate a query/retrieval operation that returns recommendation data without modifying any state or triggering financial transactions.
Attacks that exploit this kind of access
Get related and similar stock recommendations for one or more 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 recommendationsBySymbol: 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.
recommendationsBySymbol 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 recommendationsBySymbol 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 recommendationsBySymbol. 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.
recommendationsBySymbol 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.
recommendationsBySymbol 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.
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