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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

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Decision summary

Sumatrapdf is the strongest overall pick here because it has a 100/100 readiness score and fits Document processing.

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

Sumatrapdf

Most recent maintenance signal among this shortlist.

SignalPDFGen

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.

Adoption621 stars
0 installs
17K stars
0 installs
9.6K stars
0 installs
12K stars
0 installs
FreshnessApr 20, 2026Jun 18, 2026Jun 13, 2026Jun 15, 2026
Use-case fit
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
RAG and knowledgeDocument processingCoding agents
Document processingRAG and knowledgeCoding agents
Stack fit
RAG knowledge baseContent growth agent
RAG knowledge baseCoding review agent
RAG knowledge baseContent growth agent
RAG knowledge baseContent growth agent
Platform hintsC, PDF, Claude CodeC, PDF, Claude CodeC, PDF, Claude CodeC#, PDF, Claude Code
WarningsNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forDocument processing workflows · Claude Code teams · teams that value GitHub adoption signalsDocument processing workflows · Claude Code teams · teams that value GitHub adoption signalsRAG and knowledge workflows · Claude Code teams · teams that value GitHub adoption signalsDocument processing workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal forteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security review
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Install
$ npx skills add AndreRenaud/PDFGen
$ npx skills add sumatrapdfreader/sumatrapdf
$ npx skills add ahrm/sioyek
$ npx skills add wmjordan/PDFPatcher