Skill Claude CodeCodex
Systematic root-cause debugging for software bugs (frontend, backend, mobile). Use when the user reports a symptom that needs investigation — "卡死 / loading / 报错 / 数据不对 / 行为异常 / 复现了 bug / 帮我查一下为什么 X 不工作 / 排查一下 / debug this / why is X broken / hunt the bug / investigate". Walks through five phases — reproduce → top-down…
Skill Claude CodeCodex
Convert a PDF book into a reflowable EPUB (strip running headers/footers/watermarks, rebuild paragraphs, split chapters). Use when the user asks to 转 EPUB / PDF 转电子书 / convert PDF to EPUB / Calibre 效果不好 / 扫描件转 EPUB, or runs /pdf-to-epub.
Skill Claude CodeCodex
Diagnose and operate Surge for Mac through terminal-first workflows. Use when the user asks about Surge, surge-cli, proxy/VPN/TUN/enhanced mode, system proxy, DNS timeout, "no internet", "network not working", proxy nodes, policy groups, profile validation, modifying Surge profiles, reloading Surge, or helping a…