Get upcoming earnings announcements for the next few days
AI agents call get_earnings_calendar to retrieve information from Financial Data 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 upcoming earnings announcements—purely informational data. It has no capability to execute trades, modify portfolios, delete data, or move money. The blast radius of misuse is minimal; an AI agent could only retrieve publicly available calendar information. Despite the financial domain context, the tool itself performs only a read operation.
From the tool's definition Tool name 'get_earnings_calendar' and description 'Get upcoming earnings announcements for the next few days' indicate data retrieval with no side effects.
Attacks that exploit this kind of access
Get upcoming earnings announcements for the next few days. It is categorised as a Read tool in the Financial Data MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Data MCP Server MCP server in PolicyLayer and add a rule for get_earnings_calendar: 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 Financial Data MCP Server. Nothing to install.
get_earnings_calendar 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_calendar 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_calendar. 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_calendar is provided by the Financial Data MCP Server MCP server (j1c4b/finance_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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