blackjack-decline-insurance

THE RISK

Low Risk

Why blackjack-decline-insurance needs a policy

This tool performs a game action within a blackjack game simulation — declining an insurance bet offer. It has no real-world side effects, does not read/write external data, does not execute code, and does not involve real financial transactions. It simply advances the state of an in-game decision within an interactive game environment.

From the tool's definition Decline insurance when dealer shows an Ace

Documented attack patterns abuse exactly the kind of access blackjack-decline-insurance gives an agent:

POLICY

How to control blackjack-decline-insurance

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "blackjack-decline-insurance": {
      "limits": [
        {
          "counter": "blackjack-decline-insurance_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

blackjack-decline-insurance gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Blackjack 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.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Blackjack MCP Server tools

Execute blackjack-hit Request another card for the specified hand in a blackjack game Execute blackjack-split Split a pair into two separate hands (when dealt two cards of the same value) Execute blackjack-stand Stand with the current hand total in a blackjack game Write blackjack-new-game Create a new blackjack game Other blackjack-double Double down on a hand - double the bet and receive exactly one more card Read blackjack-get-state Get the current state of a blackjack game Other blackjack-take-insurance Take insurance when dealer shows an Ace (side bet against dealer blackjack)

All 8 Blackjack MCP Server tools →

Other tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about blackjack-decline-insurance

What does the blackjack-decline-insurance tool do? +

Decline insurance when dealer shows an Ace. It is categorised as a Other tool in the Blackjack MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on blackjack-decline-insurance? +

Register the Blackjack MCP Server MCP server in PolicyLayer and add a rule for blackjack-decline-insurance: 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 Blackjack MCP Server. Nothing to install.

What risk level is blackjack-decline-insurance? +

blackjack-decline-insurance is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit blackjack-decline-insurance? +

Yes. Add a rate_limit block to the blackjack-decline-insurance 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 blackjack-decline-insurance completely? +

Set action: deny in the PolicyLayer policy for blackjack-decline-insurance. 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 blackjack-decline-insurance? +

blackjack-decline-insurance is provided by the Blackjack MCP Server MCP server (nanobot-ai/blackjack). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Blackjack MCP Server tool call.

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

CHECK YOUR STACK →