decode-charge · ZBD MCP Server MCP: Risk & Policy

WHAT IT DOES

What decode-charge does on ZBD MCP Server

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

WHY IT NEEDS A POLICY

Why decode-charge needs a policy

decode-charge moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

decode-charge Approval-gated

Any call to decode-charge 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": {
    "decode-charge": {
      "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 ZBD MCP Server, so you can run agents against it safely.

FAQ

Questions about decode-charge

What does the decode-charge tool do? +

Understand the inner properties of a Charge QR code. It is categorised as a Financial tool in the ZBD MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on decode-charge? +

Register the ZBD MCP Server MCP server in PolicyLayer and add a rule for decode-charge: 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 ZBD MCP Server. Nothing to install.

What risk level is decode-charge? +

decode-charge 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 decode-charge? +

Yes. Add a rate_limit block to the decode-charge 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 decode-charge completely? +

Set action: deny in the PolicyLayer policy for decode-charge. 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 decode-charge? +

decode-charge is provided by the ZBD MCP Server MCP server (zbdpay/zbd-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.