In the past, you were able to start your prompt with a # and whatever came after, Claude would append to the end of your Claude.md file. As of Claude Code 2.0.70, this is no longer the case, and now you can just tell Claude to update the Claude.md file for you. The developers who get the most out of Claude Code aren’t the ones who type “do everything for me.” They’re the ones who’ve learned when to use Plan mode, how to structure their prompts, when to invoke ultrathink, and how to set up hooks that catch mistakes before they happen.
Author: Ado Kukic
Published at: 2026-01-03 23:11:58
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