get_today_date

THE RISK

Low Risk

Why get_today_date needs a policy

This tool retrieves system date information without modifying, executing, or deleting any data. It is a pure read operation with no financial impact or ability to affect banking transactions directly. The low severity reflects minimal risk even if misused—returning a date cannot cause harm on its own.

From the tool's definition Tool name 'get_today_date' and description 'Get today's date' indicate a simple retrieval operation with no side effects. Returns a date value in specified format for transaction processing.

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

POLICY

How to control get_today_date

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

policy.json

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

get_today_date 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 MBBank MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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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_today_date

What does the get_today_date tool do? +

Get today's date in the format dd-mm-yyyy used for MB Bank transactions. It is categorised as a Read tool in the MBBank MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_today_date? +

Register the MBBank MCP Server MCP server in PolicyLayer and add a rule for get_today_date: 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 MBBank MCP Server. Nothing to install.

What risk level is get_today_date? +

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

Can I rate-limit get_today_date? +

Yes. Add a rate_limit block to the get_today_date 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_today_date completely? +

Set action: deny in the PolicyLayer policy for get_today_date. 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_today_date? +

get_today_date is provided by the MBBank MCP Server MCP server (thedtvn/mbbank-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MBBank MCP Server tool call.

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

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