ai-agent-book/chapter5/coding-agent/tools/task_tool.py

"""
Task tool - Launch sub-agents for complex tasks
"""

from typing import Dict, Any
from .base import BaseTool


class TaskTool(BaseTool):
    """Launch a new agent to handle complex, multi-step tasks autonomously"""
    
    @property
    def name(self) -> str:
        return "Task"
    
    def _execute_impl(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """
        Launch sub-agent
        
        - Launch a new agent to handle complex, multi-step tasks autonomously
        - Available agent types: general-purpose, statusline-setup, output-style-setup
        - NOTE: This is a stub implementation. Full implementation would require:
          - Recursive agent instantiation
          - Isolated execution context
          - Result aggregation
        """
        description = params["description"]
        prompt = params["prompt"]
        subagent_type = params["subagent_type"]
        
        return {
            "description": description,
            "subagent_type": subagent_type,
            "error": "Task tool (sub-agents) not yet implemented",
            "note": "This tool would launch a specialized sub-agent to handle the task autonomously"
        }