approve_liquidator_token

What approve_liquidator_token does on Justlend

AI agents use approve_liquidator_token to create or update resources in Justlend, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Justlend environment.

Why approve_liquidator_token is rated Medium

This tool approves token spending, which is a Write operation—it modifies the state of token allowances reversibly. While approval itself is not destructive, the high severity reflects that misconfiguration could enable unauthorized liquidation or fund transfers. The tool is contextual to financial activities (lending/liquidation) but the direct action is token authorization, not fund movement itself.

From the tool's definition Tool name 'approve_liquidator_token' and description 'Approve loan token spending for the Moolah public liquidator contract' indicate this creates or modifies token spending allowances on behalf of the user, a reversible authorization.

The rule that runs approve_liquidator_token safely

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

{
  "version": "1",
  "default": "deny",
  "tools": {
    "approve_liquidator_token": {
      "limits": [
        {
          "counter": "approve_liquidator_token_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about approve_liquidator_token