Returns the annual and quarterly earnings (EPS) for the company of interest.
AI agents call get_earnings_annual to retrieve information from AlphaVantage 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 historical financial earnings data (EPS) for a company. It is a read-only query operation with no side effects, no code execution, and no financial transactions. While the AlphaVantage server provides financial data, accessing public earnings information does not involve moving money, creating obligations, or modifying data.
From the tool's definition Tool name 'get_earnings_annual' and description 'Returns the annual and quarterly earnings (EPS) for the company of interest' indicate data retrieval with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Returns the annual and quarterly earnings (EPS) for the company of interest. It is categorised as a Read tool in the AlphaVantage MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AlphaVantage MCP Server MCP server in PolicyLayer and add a rule for get_earnings_annual: 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 AlphaVantage MCP Server. Nothing to install.
get_earnings_annual 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 get_earnings_annual 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 get_earnings_annual. 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.
get_earnings_annual is provided by the AlphaVantage MCP Server MCP server (lifejwang11/alphavantage-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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