.agents/plugins/marketplace.json

{
  "name": "task-eta-tracker-local",
  "interface": {
    "displayName": "Task ETA Tracker Local"
  },
  "plugins": [
    {
      "name": "task-eta-tracker",
      "source": {
        "source": "local",
        "path": "./"
      },
      "policy": {
        "installation": "AVAILABLE",
        "authentication": "ON_INSTALL"
      },
      "category": "Productivity"
    }
  ]
}