A guide details how to create an effective CLAUDE.md file for Python projects, which Claude Code uses to understand project conventions and workflows. The template emphasizes using exact commands for environment management (uv), testing (pytest), formatting (ruff), and type checking (mypy), along with clear conventions like using `pathlib` and avoiding bare `except` clauses. It also suggests a development flow starting with tests and includes a method for using CLAUDE.md files in subdirectories for localized rules. AI
IMPACT Provides a practical template for developers to improve their workflow with AI coding assistants.
RANK_REASON This item describes a template for using an AI assistant's configuration file, which is a tool-related topic.
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