get_earnings_dates

THE RISK

Low Risk

Why get_earnings_dates needs a policy

This tool retrieves historical and upcoming earnings date information from financial markets. It performs a straightforward data query operation with no side effects—it neither modifies data, executes code, deletes records, nor moves money.

From the tool's definition Tool name 'get_earnings_dates' and description 'Get upcoming and historical earnings dates' indicate retrieval of financial calendar data with no modification, deletion, or execution capability.

Documented attack patterns abuse exactly the kind of access get_earnings_dates gives an agent:

POLICY

How to control get_earnings_dates

PolicyLayer is an MCP gateway — it sits between your AI agents and IsoFinancial-MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_earnings_dates:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_earnings_dates": {}
  }
}

get_earnings_dates is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register IsoFinancial-MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Write configure_api_key configure_api_key Read analyze_sector_companies analyze_sector_companies Read get_actions Get corporate actions (dividends and stock splits). Read get_balance_sheet Get balance sheet data. Read get_cash_flow Get cash flow statements. Read get_configuration get_configuration Read get_earnings_calendar Get earnings calendar data with EPS estimates, actuals, and surprise percentages. Read get_financials Get financial statements.

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_earnings_dates

What does the get_earnings_dates tool do? +

Get upcoming and historical earnings dates. It is categorised as a Read tool in the IsoFinancial-MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_earnings_dates? +

Register the IsoFinancial- MCP server in PolicyLayer and add a rule for get_earnings_dates: 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 IsoFinancial-MCP. Nothing to install.

What risk level is get_earnings_dates? +

get_earnings_dates is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_earnings_dates? +

Yes. Add a rate_limit block to the get_earnings_dates 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.

How do I block get_earnings_dates completely? +

Set action: deny in the PolicyLayer policy for get_earnings_dates. 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.

What MCP server provides get_earnings_dates? +

get_earnings_dates is provided by the IsoFinancial- MCP server (niels-8/isofinancial-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every IsoFinancial-MCP tool call.

Start from IsoFinancial-MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →