AI agents use withdraw_expire_unfreeze to commit financial operations through Tron — usually the final step of a payment, billing, or trading workflow. A call moves real money.
| Parameter | Type | Required | Description |
|---|---|---|---|
network | string | — | Network name. Defaults to mainnet. |
Parameters from the server's own tool schema.
This tool moves TRX (a cryptocurrency) from an unfrozen/locked state back into the available balance, constituting a financial operation on the TRON blockchain. Misuse could result in unauthorized movement of crypto assets, making it a high-severity financial action.
From the tool's definition Withdraw expired unfrozen balance... return TRX to available balance
Attacks that exploit this kind of access
Withdraw expired unfrozen balance (Stake 2.0). Call this after the unfreezing period to return TRX to available balance. It is categorised as a Financial tool in the Tron MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
withdraw_expire_unfreeze accepts 1 parameter: network. The full parameter table on this page comes from the server's own tool schema.
Register the Tron MCP server in PolicyLayer and add a rule for 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 Tron. Nothing to install.
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.
Yes. Add a rate_limit block to the 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.
Set action: deny in the PolicyLayer policy for 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.
withdraw_expire_unfreeze is provided by the Tron MCP server (@bankofai/mcp-server-tron). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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