A Claude engineer at Anthropic shared his actual .claude/ folder—the one the team uses internally to build Claude, not the sanitized version in public docs. It contains 33 specialized skills, a verifier subagent to check outputs, and a harness split across seven files. The folder lives on GitHub now in Archive228’s loopkit repo, and you can install it with a single command: curl -fsSL https://raw.githubusercontent.com/Archive228/loopkit/main/install.sh | bash Once I dropped it into my project, Claude’s behavior changed immediately. It stopped generating useless test stubs. It quit marking features done based solely on its own quick smoke tests. It even stopped prompting for confirmation every time I ran ls. The internal tools streamline its workflow and cut out those repetitive checks. The repo’s public release is a bold move. Anthropic’s legal team probably didn’t intend for this folder to leave their walls. Bookmark the install link before it disappears or gets locked behind a takedown.