1 Introduction  
2 Task Environments And Tool Environments  
2.1 Typical Task Environments  
2.3 Tool Environments  
3 LLM-Profiled Components  
4 Workflows of LLM-Based Agents  
4.1 Policy-Only Workflows  
4.2 Search Workflows  
4.3 Feedback-Learning Workflows  
5 Implementations of LMPCs  
5.1 Universal Implementations  
5.2 Workflow-Specific Implementations  
5.3 Task-Specific Implementations  
6 Future Work  
7 Conclusion