make_app_closeout_txn

What make_app_closeout_txn does on Algorand MCP

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

Why make_app_closeout_txn is rated Medium

This tool creates (Write) rather than executes arbitrary code (Execute), and does not irreversibly destroy data (Destructive). Creating a closeout transaction modifies the user's blockchain state and application account bindings. While the operation itself is recorded on-chain and cannot be undone once confirmed, the tool itself only creates the transaction object—signing and submission are separate steps.

From the tool's definition The tool creates a transaction that closes out an application. The verb "Create" and action "close out" indicate it modifies blockchain state by finalizing an application relationship, which is a reversible write operation (the application can be reopened or…

The rule that runs make_app_closeout_txn safely

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

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

Questions about make_app_closeout_txn