Quick single-paper lookup via AlphaXiv LLM-optimized summaries with tiered source fallback. Use when user says “explain this paper”, “summarize paper”, pastes an arXiv/AlphaXiv URL, or provides a bare arXiv ID for…

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