wallet_transfer_signed

THE RISK

Critical Risk

This tool directly transfers blockchain-based tokens (RTC) from one wallet to another, committing financial obligations and moving value. Even with an empty description, the naming convention and server context establish this as a Financial operation with critical severity—misuse could drain funds, send tokens to wrong addresses, or execute unauthorized transfers at scale.

From the tool's definition Tool name 'wallet_transfer_signed' combined with server description mentioning 'RTC token wallets' and 'blockchain transactions' indicates direct movement of cryptocurrency/tokens.

Documented attack patterns abuse exactly the kind of access wallet_transfer_signed gives an agent:

HOW TO CONTROL WALLET_TRANSFER_SIGNED

PolicyLayer is an MCP gateway — it sits between your AI agents and RustChain + BoTTube MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for wallet_transfer_signed:

policy.json

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

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

Create a free account and register RustChain + BoTTube MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

More RustChain + BoTTube MCP Server tools

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All 39 RustChain + BoTTube MCP Server tools →

Financial tools on other servers

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Go deeper

Critical-risk tools in RustChain + BoTTube MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

What does the wallet_transfer_signed tool do? +

wallet_transfer_signed. It is categorised as a Financial tool in the RustChain + BoTTube MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on wallet_transfer_signed? +

Register the RustChain + BoTTube MCP Server MCP server in PolicyLayer and add a rule for wallet_transfer_signed: 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 RustChain + BoTTube MCP Server. Nothing to install.

What risk level is wallet_transfer_signed? +

wallet_transfer_signed 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 wallet_transfer_signed? +

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

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

wallet_transfer_signed is provided by the RustChain + BoTTube MCP Server MCP server (scottcjn/rustchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every RustChain + BoTTube MCP Server tool call.

Deterministic rules across all 39 RustChain + BoTTube MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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39 RustChain + BoTTube MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

// WHAT WALLET_TRANSFER_SIGNED ON RUSTCHAIN + BOTTUBE MCP SERVER DOES

// THE RISK

// HOW TO CONTROL WALLET_TRANSFER_SIGNED

// EXPLORE