I released a Mahjong score calculator app in 20 hours using Claude Code. 5 mechanisms I prepared before leaving it to AI

When I had Claude Code build a Mahjong score calculator app, it took about 20 hours from the first commit to the release on a ...
GitHub

README.md

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond. - ECC/README.md at main · ...