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.

SignalSumatrapdf

SumatraPDF reader

Sioyek

Sioyek is a PDF viewer with a focus on textbooks and research papers

Xournalpp

Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.

React Pdf

Display PDFs in your React app as easily as if they were images.

Quality
100/100
Excellent
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
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.

100/100
Production-ready

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

Adoption17K stars
0 installs
9.6K stars
0 installs
15K stars
0 installs
11K stars
0 installs
FreshnessJun 10, 2026Jun 8, 2026Jun 2, 2026Jun 2, 2026
Use-case fit
Document processingRAG and knowledgeCoding agents
RAG and knowledgeDocument processingCoding agents
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
Stack fit
RAG knowledge baseCoding review agent
RAG knowledge baseCoding review agent
RAG knowledge baseCoding review agent
RAG knowledge baseCoding review agent
Platform hintsC, PDF, Claude CodeC, PDF, Claude CodeC++, PDF, Claude CodeTypeScript, PDF, Claude Code
WarningsNo major risk signals from current metadataNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forDocument 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 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
OpenAgentSkill engagement2 views
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Install
$ npx skills add sumatrapdfreader/sumatrapdf
$ npx skills add ahrm/sioyek
$ npx skills add xournalpp/xournalpp
$ npx skills add wojtekmaj/react-pdf