buy_memecoin · KaiaFun MCP: Risk & Policy

WHAT IT DOES

What buy_memecoin does on KaiaFun MCP

AI agents use buy_memecoin to commit financial operations through KaiaFun MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why buy_memecoin needs a policy

This tool executes a real financial transaction on the Kaia blockchain, exchanging KAIA tokens for a memecoin. It moves money/crypto assets and commits financial obligations, placing it firmly in the Financial category. Misuse by an AI agent could result in unintended purchases of volatile assets with real monetary value, hence critical severity.

From the tool's definition 'Buy a memecoin with KAIA' — directly initiates a financial transaction purchasing a cryptocurrency asset using KAIA tokens

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

buy_memecoin Approval-gated

Any call to buy_memecoin is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "buy_memecoin": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches KaiaFun MCP, so you can run agents against it safely.

FAQ

Questions about buy_memecoin

What does the buy_memecoin tool do? +

Buy a memecoin with KAIA. It is categorised as a Financial tool in the KaiaFun MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on buy_memecoin? +

Register the KaiaFun MCP server in PolicyLayer and add a rule for buy_memecoin: 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 KaiaFun MCP. Nothing to install.

What risk level is buy_memecoin? +

buy_memecoin is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit buy_memecoin? +

Yes. Add a rate_limit block to the buy_memecoin 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 buy_memecoin completely? +

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

buy_memecoin is provided by the KaiaFun MCP server (weero-finance/kaiafun-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.