Claude configs
Claude holds long inputs and follows written constraints closely, so it suits code review, editing and any job with a long instruction list. Marked sections move it a lot. Wrapping the input in tags or clear delimiters improves results more than rewording the instruction does. Claude Code reads a CLAUDE.md file from the repository at the start of every session, which makes that file the right home for project rules.
- Claude
CLAUDE.md for a data pipeline repository
A Claude Code project file that names the pipeline stages, says which scripts touch production data, and lists what needs a human sign-off before it…
- Universal
System prompt hardening block
A paragraph to add to any system prompt that reads user-supplied content. It cannot make injection impossible. It makes the common attempts fail…
Tested on Claude Sonnet · May 2026
- Universal
Editor rules for a Django project
A rules file that pins the Django and Python versions, the app layout and the things an assistant should never regenerate.
- Claude
CLAUDE.md for a PHP project
A project file that stops Claude Code rewriting your conventions, reformatting untouched files or inventing a framework you do not use.