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Python Rules for Claude Code

1 rule for Python

Python Claude Code Rules: Environments, Types and pytest

Claude Code rules for Python: Environments, Types and pytest. Structure, data, errors, security, performance, and tests. uv 0.13.7 and Ruff 0.17.4, Nov 2026.

# Python Claude Code Rules: Environments, Types and pytest ## Install Install the native export at `.claude/rules/python-rules.md`. Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev. Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides. <!-- native:start --> # Python Claude Code Rules: Environments, Types and pytest Path-scoped Claude Code rule for Python. It loads when a matching file is read. It does not replace `CLAUDE.md`. ## Updated for uv 0.13.7 and Ruff 0.17.4, Nov 2026 Do not upgrade dependencies or the framework version unless the task asks. ## Project shape Read `pyproject.toml` and the lockfile first. The...