Skill comparison

Compare agent skills before installing.

Put high-signal skills side by side and inspect quality, adoption, freshness, install readiness, use-case fit, and warnings in one place.

Comparing 4 skills

Use this as a shortlist, then open the skill detail page before adopting.

Decision summary

Strongest overall

Sumatrapdf

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Fastest prototype

Sumatrapdf

Best first install candidate based on install readiness and adoption.

Freshest repo

Sioyek

Most recent maintenance signal among this shortlist.

Signal	PDFGen Simple C PDF Writer/Generation library	Sumatrapdf SumatraPDF reader	Sioyek Sioyek is a PDF viewer with a focus on textbooks and research papers	PDFPatcher PDF补丁丁——PDF工具箱，可以编辑书签、剪裁旋转页面、解除限制、提取或合并文档，探查文档结构，提取图片、转成图片等等
Quality	79/100 Strong	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	90/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.	100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.	100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.	100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.
Adoption	626 stars Verified outcomes are shown on each skill page	17K stars Verified outcomes are shown on each skill page	9.8K stars Verified outcomes are shown on each skill page