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Table Of Contents
Agentic Coding with Claude Code
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In this chapter, we worked through the concept of Claude Code subagents from the ground up. We first understood what subagents are and why context isolation is such an important design decision. Instead of letting the main conversation grow endlessly and become polluted, we saw how subagents run in their own context window and return a single condensed result. This gives us control over token usage and helps maintain performance as projects grow.
We then configured our own subagents, explored how descriptions influence invocation, and saw how system prompts and tool selection directly affect behavior. Through hands-on examples, we manipulated the prompt that the main agent sends to a subagent and adjusted the internal logic of the subagent itself. Finally, we scaled execution using the Infinite Agentic Loop pattern, where one high-order prompt dynamically generates multiple subagent prompts and runs them in parallel. By this point, we should clearly understand how context flows...