zsend-coins · Cryptocurrency Daemon MCP Server MCP

WHAT IT DOES

What zsend-coins does on Cryptocurrency Daemon MCP Server

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

WHY IT NEEDS A POLICY

Why zsend-coins needs a policy

This tool initiates cryptocurrency transfers using shielded (privacy-preserving) transactions. Moving funds is a Financial action with critical severity because an AI agent misusing this tool could irreversibly send funds to unintended addresses, and the shielded nature makes tracing/recovery even harder.

From the tool's definition "Send coins using shielded transaction" — explicitly moves cryptocurrency funds between addresses

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

zsend-coins Approval-gated

Any call to zsend-coins 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": {
    "zsend-coins": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about zsend-coins

What does the zsend-coins tool do? +

Send coins using shielded transaction. It is categorised as a Financial tool in the Cryptocurrency Daemon MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on zsend-coins? +

Register the Cryptocurrency Daemon MCP Server MCP server in PolicyLayer and add a rule for zsend-coins: 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 Cryptocurrency Daemon MCP Server. Nothing to install.

What risk level is zsend-coins? +

zsend-coins 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 zsend-coins? +

Yes. Add a rate_limit block to the zsend-coins 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 zsend-coins completely? +

Set action: deny in the PolicyLayer policy for zsend-coins. 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 zsend-coins? +

zsend-coins is provided by the Cryptocurrency Daemon MCP Server MCP server (raw391/coin_daemon_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.