# binance_us_cust_undo_transfer

Undo a previous transfer from your custodial partner. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Use this to reverse a custodian transfer that hasn

Agent View of the PolicyLayer registry record for `binance_us_cust_undo_transfer`. HTML page: https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-undo-transfer

## Facts

- Tool: `binance_us_cust_undo_transfer`
- Server: Binance US MCP Server (`nirholas/binance-us-mcp`) — https://policylayer.com/tools/nirholas-binance-us-mcp.md
- Homepage: https://github.com/nirholas/Binance-US-MCP
- Risk category: Financial (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Approval-gated

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "binance_us_cust_undo_transfer",
    "arguments": {}
  }
}
```

## Why binance_us_cust_undo_transfer is rated Critical

This tool moves cryptocurrency funds by reversing/undoing a prior transfer, which constitutes a financial operation that commits obligations and affects account balances. While the tool itself may be reversible (as 'undo' suggests), it directly manipulates cryptocurrency holdings and custodial transfers, making it Financial category.

From the tool's own definition: "Tool description states it undoes a previous transfer from a custodial partner. The server description indicates it handles 'wallet operations' and 'sub-account transfers'."

## Use case

AI agents use binance_us_cust_undo_transfer to commit financial operations through Binance US MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

## Recommended policy (PolicyLayer)

Verdict: **Approval-gated**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Binance US MCP Server:

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

## Other tools on Binance US MCP Server (92)

- `binance_us_cancel_all_open_orders` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-all-open-orders.md
- `binance_us_cancel_oco` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-oco.md
- `binance_us_cancel_order` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-order.md
- `binance_us_cust_cancel_oco` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-cancel-oco.md
- `binance_us_cust_cancel_order` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-cancel-order.md
- `binance_us_cust_cancel_orders_symbol` — Destructive — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-cancel-orders-symbol.md
- `binance_us_cancel_replace` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cancel-replace.md
- `binance_us_cl_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cl-transfer.md
- `binance_us_cust_new_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-new-order.md
- `binance_us_cust_oco_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-oco-order.md
- `binance_us_cust_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-transfer.md
- `binance_us_cust_wallet_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-cust-wallet-transfer.md
- `binance_us_custodial_custodian_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-custodian-transfer.md
- `binance_us_custodial_settlement` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-settlement.md
- `binance_us_custodial_undo_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-undo-transfer.md
- `binance_us_custodial_wallet_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-custodial-wallet-transfer.md
- `binance_us_new_oco` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-new-oco.md
- `binance_us_new_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-new-order.md
- `binance_us_otc_place_order` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-otc-place-order.md
- `binance_us_staking_stake` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-staking-stake.md
- `binance_us_staking_unstake` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-staking-unstake.md
- `binance_us_subaccount_transfer` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-subaccount-transfer.md
- `binance_us_withdraw_crypto` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-withdraw-crypto.md
- `binance_us_withdraw_fiat` — Financial — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-withdraw-fiat.md
- `binance_us_account_info` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-account-info.md
- `binance_us_agg_trades` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-agg-trades.md
- `binance_us_all_oco_orders` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-all-oco-orders.md
- `binance_us_all_orders` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-all-orders.md
- `binance_us_asset_config` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-asset-config.md
- `binance_us_avg_price` — Read — https://policylayer.com/tools/nirholas-binance-us-mcp/binance-us-avg-price.md
- …and 62 more: https://policylayer.com/tools/nirholas-binance-us-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=nirholas-binance-us-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/nirholas-binance-us-mcp