prepare_tron_withdraw_expire_unfreeze

SERVERVaultPilot MCP SOURCEvaultpilot-mcp

Critical RISK CLASS

Category Financial

Parameters 11 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-szhygulin-vaultpilot-mcp/prepare-tron-withdraw-expire-unfreeze.md

WHAT IT DOES

What prepare_tron_withdraw_expire_unfreeze does on VaultPilot MCP

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

Parameter	Type	Required	Description
`from`	string	Yes	Base58 TRON owner address. Sweeps all unfreezes whose 14-day cooldown has elapsed (see `pendingUnfreezes[].unlockAt` from `get_tron_staking`) back to liquid TRX

Parameters from the server's own tool schema.

RISK

Why prepare_tron_withdraw_expire_unfreeze is rated Critical

This tool directly facilitates the movement of cryptocurrency funds by preparing withdrawal transactions on the TRON blockchain. Although it returns an unsigned transaction requiring Ledger signing (a protective measure), it commits financial obligations by preparing transactions that transfer value. The multi-chain context (EVM, TRON, Solana, BTC, LTC) and explicit crypto/DeFi purpose confirm financial impact.

From the tool's definition 'Build an unsigned TRON WithdrawExpireUnfreeze transaction — sweeps every matured unfreeze slice... back to liquid TRX' and 'forward via `send_transaction` for USB-HID signing on the paired Ledger' indicate this tool prepares blockchain transactions that move…

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs prepare_tron_withdraw_expire_unfreeze safely

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

prepare_tron_withdraw_expire_unfreeze Approval-gated

Any call to prepare_tron_withdraw_expire_unfreeze 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": {
    "prepare_tron_withdraw_expire_unfreeze": {
      "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 VaultPilot MCP, apply this rule, and every prepare_tron_withdraw_expire_unfreeze call is checked against it from then on.

FAQ

Questions about prepare_tron_withdraw_expire_unfreeze

What does the prepare_tron_withdraw_expire_unfreeze tool do? +

Build an unsigned TRON WithdrawExpireUnfreeze transaction — sweeps every matured unfreeze slice (those whose 14-day cooldown elapsed) back to liquid TRX. No amount needed; the chain drains all eligible slices in one call. Inspect pendingUnfreezes from get_tron_staking first — if every entry's unlockAt is still in the future, TronGrid returns 'no expire unfreeze' and this tool errors. Returns a preview + opaque handle; forward via send_transaction for USB-HID signing on the paired Ledger. It is categorised as a Financial tool in the VaultPilot MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does prepare_tron_withdraw_expire_unfreeze accept? +

prepare_tron_withdraw_expire_unfreeze accepts 1 parameter: from. Required: from. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on prepare_tron_withdraw_expire_unfreeze? +

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

What risk level is prepare_tron_withdraw_expire_unfreeze? +

prepare_tron_withdraw_expire_unfreeze 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 prepare_tron_withdraw_expire_unfreeze? +

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

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

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

KEEP EXPLORING

More on VaultPilot, and thousands of servers like it.

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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 →