A Next.js starter showing how to run Claude Code / Codex in safe, verified loops — plan → build → report cycles with lock files, budgets, denylists, and a human merge gate baked in.
4 files for Claude Code, Codex and OpenCode: PreToolUse, Stop, nextjs-loop-engineering-starter, nextjs-loop-engineering-starter AGENTS.md — 1,479 tokens loaded in every session.
AGENTS.md A 1,479 tok .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — These files are muzafferkadir/nextjs-loop-engineering-starter's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.