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How to learn an unfamiliar module with Explanatory output style with Claude Code Tips Tricks

Switch Claude Code to Explanatory mode and have it walk through a module as it works.

Short answer: Run /config and set the output style to Explanatory; then start Claude Code in the repository you are studying with claude; ask for a walkthrough of one module, for example: Walk me through how the request middleware pipeline works in @src/server/middleware, explaining the pattern as you go. All steps.

Who it is forA developer onboarding onto a codebase they did not write and needing to understand a tricky module.

The problemReading unfamiliar middleware or patterns cold is slow, and the code alone does not explain why it is built that way.

The outcomeClaude explains the frameworks and patterns behind the module, giving you a guided walkthrough of the code.

What you need first

  • Claude Code installed and running in a terminal
  • A project folder or git repository to work in
  • Access to a Claude account that Claude Code can use

Steps

  1. Run /config and set the output style to Explanatory.
  2. Start Claude Code in the repository you are studying with claude.
  3. Ask for a walkthrough of one module, for example: Walk me through how the request middleware pipeline works in @src/server/middleware, explaining the pattern as you go.
  4. Ask follow-up questions on any step that does not yet make sense.

Prompt for your agent

In the repo at <repo-path>, with the output style set to Explanatory, walk through the module at <module-path> and explain its main pattern. Expected output: a step-by-step explanation naming the key files. Verify by checking that each named file exists in the repo.

Caveat. The README describes output styles as a setting in /config, so the exact menu labels may differ in your version of Claude Code.

Use this in your AI agent

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Using the Deduped MCP, get the setup steps for onmyway133/claude-code-tips-tricks and "Learn an unfamiliar module with Explanatory output style"

Add Deduped to Claude Code once

claude mcp add --transport http deduped https://dedupedai.com/mcp

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