dual_register_verify · DUAL MCP Server MCP: Risk & Policy

WHAT IT DOES

What dual_register_verify does on DUAL MCP Server

AI agents use dual_register_verify to create or update resources in DUAL MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your DUAL MCP Server environment.

WHY IT NEEDS A POLICY

Why dual_register_verify needs a policy

This tool creates or modifies user account registration state by verifying and finalizing registration via a submitted verification code. It is reversible (account can typically be deleted or re-registered) and has no permanent destructive effects. While it involves a Web3/blockchain system, it does not directly move funds or execute arbitrary blockchain operations—it merely completes a registration workflow.

From the tool's definition Tool name 'dual_register_verify' and description 'Complete registration by submitting the verification code' indicate submission of user verification data to complete an account registration process, which modifies user account state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

dual_register_verify Rate-limited

dual_register_verify stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "dual_register_verify": {
      "limits": [
        {
          "counter": "dual_register_verify_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about dual_register_verify

What does the dual_register_verify tool do? +

Complete registration by submitting the verification code sent to your email/phone. It is categorised as a Write tool in the DUAL MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on dual_register_verify? +

Register the DUAL MCP Server MCP server in PolicyLayer and add a rule for dual_register_verify: 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 DUAL MCP Server. Nothing to install.

What risk level is dual_register_verify? +

dual_register_verify is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit dual_register_verify? +

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

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

dual_register_verify is provided by the DUAL MCP Server MCP server (ro-ro-b/dual-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.