playlists_trigger_focused_previous

What playlists_trigger_focused_previous does on Propresenter

AI agents invoke playlists_trigger_focused_previous to trigger actions in Propresenter. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

Why playlists_trigger_focused_previous is rated High

The tool executes a command that changes the state of a media playback system (moving to the previous item in a playlist). While not destructive or financial, it is an Execute action because it triggers an external operation whose effects depend on the current state of the presentation system. In a live presentation context, improper use could disrupt the presentation flow, giving it high severity.

From the tool's definition Tool name contains 'trigger' and description states 'Trigger the previous item in the focused playlist' — this actively commands an external system (ProPresenter 7) to change playback state.

The rule that runs playlists_trigger_focused_previous safely

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

{
  "version": "1",
  "default": "deny",
  "tools": {
    "playlists_trigger_focused_previous": {
      "limits": [
        {
          "counter": "playlists_trigger_focused_previous_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about playlists_trigger_focused_previous