Science & Technology

Stop Using Claude Code Like This (Use Sub-Agents Instead)

by Leon van Zyl

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📚 Main Topics

  1. Understanding Sub Agents and Background Agents

    • Importance of using sub agents in coding workflows.
    • How to run specialized agents in the background.
  2. Built-in Agents in Claude Code

    • Overview of available agents: Bash agent, general purpose agent, explore agent, planning agent, and CLA code guide agent.
  3. Creating Custom Agents

    • Steps to create specialized agents tailored to specific tasks (e.g., UI expert, coder, code reviewer).
  4. Managing Context Window

    • Importance of context window in large language models.
    • Strategies to minimize context usage by offloading tasks to sub agents.
  5. Practical Workflow for Implementing Changes

    • Using multiple agents in parallel to handle complex tasks.
    • Coordinating efforts between coding and code review agents.

✨ Key Takeaways

  • EfficiencyUtilizing sub agents allows for multitasking and reduces the load on the main agent, leading to more efficient workflows.
  • Quality of ResultsSpecialized agents can provide better results due to their focused scope, especially in complex projects.
  • Context ManagementKeeping the main agent's context window clean is crucial for maintaining the quality of responses and avoiding issues related to context compacting.
  • Implementation PlanningA structured approach to planning and executing tasks using multiple agents can significantly enhance productivity.

🧠 Lessons Learned

  • Use Sub AgentsAlways consider using sub agents for specific tasks to keep the main conversation clean and efficient.
  • Create Specialized AgentsTailor agents to specific roles (e.g., UI design, coding, reviewing) to improve the quality and speed of development.
  • Plan Before ImplementingTake the time to create a detailed implementation plan, leveraging multiple planning agents to cover different aspects of a project.
  • Parallel ProcessingWhen tasks can be executed independently, use multiple agents to handle them simultaneously, which can drastically reduce completion time.

This video provides a comprehensive guide on effectively using sub agents and background agents in Claude Code, emphasizing the importance of efficient workflows in software development.

Transcript excerpt

0:00 In this video, we're looking at sub agents and background agents. Understanding how sub agents work and knowing how to run specialized agents in the background is a critical skill to have, whether you're vibe coding or if you're using agentic coding as an experienced developer. So, after this video, you'll know exactly what sub agents are and how to create your own specialized agents. And towards the end of the video, I'll show you my workflow for implementing complex solutions. Let's jump in. So in Claude code, I'm

0:31 actually going to switch over to planning mode for a second and let's ask the agent, hey there, please can you list all the sub agents that you have access to? C already has access to a few built-in sub agents. So it's got access to a bash agent. And this agent is a specialist for running bash commands like git operations, command execution, and other terminal tasks. I'm just going to hide this file explorer so we can actually see what we're doing. It also has access to this general purpose agent

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