Flip a provably fair coin. Choose heads or tails, specify bet amount. Returns result, payout, and cryptographic proof. House edge: 2%.
AI agents use casino_coin_flip to commit financial operations through Purple Flea Casino — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool places a real monetary bet using crypto funds. It directly commits financial value by wagering a specified bet amount on a coin flip outcome, resulting in either a payout or a loss. This falls squarely in the Financial category, as it moves/risks real money. The severity is critical because an AI agent could repeatedly misuse this tool to wager and lose significant crypto funds with no KYC or safeguards.
From the tool's definition "specify bet amount", "payout", "Provably fair crypto casino API", "Place bets"
Attacks that exploit this kind of access
Flip a provably fair coin. Choose heads or tails, specify bet amount. Returns result, payout, and cryptographic proof. House edge: 2%. It is categorised as a Financial tool in the Purple Flea Casino MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Purple Flea Casino MCP server in PolicyLayer and add a rule for casino_coin_flip: 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 Purple Flea Casino. Nothing to install.
casino_coin_flip is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the casino_coin_flip 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 casino_coin_flip. 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.
casino_coin_flip is provided by the Purple Flea Casino MCP server (purple-flea/agent-casino). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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