send-token · Monad MCP Server MCP: Risk & Policy

WHAT IT DOES

What send-token does on Monad MCP Server

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

WHY IT NEEDS A POLICY

Why send-token needs a policy

This tool moves crypto assets (ERC-20 tokens) from one address to another on the Monad testnet. Token transfers are financial operations that commit value irreversibly on-chain. Misuse by an AI agent could result in loss of funds, making this critical severity under the Financial category.

From the tool's definition 'Send ERC-20 tokens to a specified address from a token contract' — initiates a blockchain token transfer transaction

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send-token Approval-gated

Any call to send-token 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": {
    "send-token": {
      "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 Monad MCP Server, so you can run agents against it safely.

FAQ

Questions about send-token

What does the send-token tool do? +

Send ERC-20 tokens to a specified address from a token contract. It is categorised as a Financial tool in the Monad MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on send-token? +

Register the Monad MCP Server MCP server in PolicyLayer and add a rule for send-token: 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 Monad MCP Server. Nothing to install.

What risk level is send-token? +

send-token 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 send-token? +

Yes. Add a rate_limit block to the send-token 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 send-token completely? +

Set action: deny in the PolicyLayer policy for send-token. 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 send-token? +

send-token is provided by the Monad MCP Server MCP server (semutireng22/mcp-monad). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.