{
  "version": "1",
  "skills": [
    {
      "name": "get_time",
      "description": "Get the current date and time. Use this when the user asks about the current time or date.",
      "parameters": [],
      "executor": {
        "type": "script",
        "command": "date",
        "timeout": 5
      }
    },
    {
      "name": "system_info",
      "description": "Get system information including OS, hostname, and uptime.",
      "parameters": [],
      "executor": {
        "type": "script",
        "command": "sh",
        "args": ["-c", "echo \"Hostname: $(hostname)\"; echo \"OS: $(uname -s)\"; echo \"Kernel: $(uname -r)\"; echo \"Uptime: $(uptime -p 2>/dev/null || uptime)\""],
        "timeout": 10
      }
    },
    {
      "name": "python_eval",
      "description": "Evaluate a Python expression. The expression is passed via stdin as JSON with an 'expression' field.",
      "parameters": [
        {
          "name": "expression",
          "type": "string",
          "description": "The Python expression to evaluate",
          "required": true
        }
      ],
      "executor": {
        "type": "script",
        "command": "python3",
        "args": ["-c", "import sys, json; data = json.load(sys.stdin); print(eval(data.get('expression', '')))"],
        "timeout": 30
      }
    }
  ]
}