generate_bip39

THE RISK

Low Risk

Why generate_bip39 needs a policy

BIP39 mnemonic generation is a cryptographic utility that creates seed phrases used for cryptocurrency wallet recovery. While it doesn't directly move money or execute commands, the output is highly sensitive security material.

From the tool's definition Generate BIP39 mnemonic phrases

Documented attack patterns abuse exactly the kind of access generate_bip39 gives an agent:

POLICY

How to control generate_bip39

PolicyLayer is an MCP gateway — it sits between your AI agents and IT Tools MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_bip39:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "generate_bip39": {
      "limits": [
        {
          "counter": "generate_bip39_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

generate_bip39 gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register IT Tools 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.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 119 IT Tools MCP Server tools →

Other tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about generate_bip39

What does the generate_bip39 tool do? +

Generate BIP39 mnemonic phrases. It is categorised as a Other tool in the IT Tools MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on generate_bip39? +

Register the IT Tools MCP Server MCP server in PolicyLayer and add a rule for generate_bip39: 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 IT Tools MCP Server. Nothing to install.

What risk level is generate_bip39? +

generate_bip39 is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit generate_bip39? +

Yes. Add a rate_limit block to the generate_bip39 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 generate_bip39 completely? +

Set action: deny in the PolicyLayer policy for generate_bip39. 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 generate_bip39? +

generate_bip39 is provided by the IT Tools MCP Server MCP server (wrenchpilot/it-tools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every IT Tools MCP Server tool call.

Start from IT Tools MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →