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Delegate Exploration to a Subagent

You need to find every place in the climate analysis project where input data gets validated — for example, checks that temperatures are within plausible ranges or that dates are formatted correctly. Tracing all of this manually means reading every file and filling your main context window with intermediate details you'll discard anyway.

Claude Code has a built-in explore subagent designed exactly for this: fast, read-only codebase searching. It runs in its own isolated context window, does all the digging, and returns only a focused summary to your main session — the intermediate file reads never touch your context at all.

The team's project is already in your working directory at /home/repl/climate-analysis/.

This exercise is part of the course

Claude Code 101

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Exercise instructions

  • Start Claude Code with claude.
  • Run /agents to see the available built-in subagents and spot the explore agent.
  • Ask Claude to use the explore subagent to find all data validation logic in the project and return a summary.
  • When done, type /exit to exit Claude Code.

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