Build a source-grounded deep-reading Paper Card for one scientific paper, preprint, PDF, DOI, arXiv page, publisher article, or pasted paper text. Use when the user asks for a Paper Card, deep-reading literature card…

Agent skill published as a SKILL.md in Yuan1z0825/nature-skills (folder skills/nature-paper-card). Install it with one command using the open skills CLI, or copy the folder into ~/.claude/skills/.