pool_withdraw

Burn pool shares from the MCP wallet and take both legs back, slippage-capped.

SERVERTwofold SOURCEtwofold-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/twofold-mcp/pool-withdraw.md

WHAT IT DOES

What pool_withdraw does on Twofold

AI agents use pool_withdraw to commit financial operations through Twofold, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why pool_withdraw is rated Critical

pool_withdraw moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pool_withdraw safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Twofold, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pool_withdraw, this is the rule to start with:

pool_withdraw Approval-gated

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

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Twofold, apply this rule, and every pool_withdraw call is checked against it from then on.

FAQ

Questions about pool_withdraw

What does the pool_withdraw tool do? +

Burn pool shares from the MCP wallet and take both legs back, slippage-capped. It is categorised as a Financial tool in the Twofold MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on pool_withdraw? +

Register the Twofold MCP server in PolicyLayer and add a rule for pool_withdraw: 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 Twofold. Nothing to install.

What risk level is pool_withdraw? +

pool_withdraw 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 pool_withdraw? +

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

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

pool_withdraw is provided by the Twofold MCP server (twofold-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Twofold, and thousands of servers like it.

This server

All 14 Twofold tools → Critical-risk tools on this server →

Across the catalogue

build_redeem_withdraw_tx on Atv → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →