AI 提效
好的工具应该减少阻力，而不是制造新的负担。
这里整理真正能减少重复劳动、提升研究和工作效率的 AI 工具与方法。重点看实际收益、维护成本与适用边界。
A curated collection of AI tools and methods that reduce repeated work and improve research or delivery. Each entry is judged by real gains, maintenance cost and limits.