Autonomous multi-round research review loop. In Copilot CLI it defaults to the native complementary rubber-duck subagent with host-event model evidence; elsewhere it uses Codex, while explicit external reviewer…

Agent skill published as a SKILL.md in wanshuiyin/Auto-claude-code-research-in-sleep (folder skills/auto-review-loop). Install it with one command using the open skills CLI, or copy the folder into ~/.claude/skills/.