AI agents use withdraw_votes_from_proposal to commit financial operations through Justlend — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool operates within JustLend DAO's governance system on TRON, which involves staked/locked JST tokens used for voting. Withdrawing votes reclaims these tokens, which have financial value on the TRON blockchain. Since this involves retrieving staked cryptocurrency assets (JST tokens) from governance contracts, it falls under the Financial category.
From the tool's definition Withdraw (reclaim) votes from a completed or canceled proposal
Attacks that exploit this kind of access
Withdraw (reclaim) votes from a completed or canceled proposal. It is categorised as a Financial tool in the Justlend MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Justlend MCP server in PolicyLayer and add a rule for withdraw_votes_from_proposal: 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 Justlend. Nothing to install.
withdraw_votes_from_proposal 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_votes_from_proposal 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_votes_from_proposal. 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_votes_from_proposal is provided by the Justlend MCP server (justlend/mcp-server-justlend). 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.
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