Star200+

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

React Pdf

Most recent maintenance signal among this shortlist.

SignalPdf Viewer Reactjs

A simple PDF viewer for React js

React Pdf

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

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.

Sumatrapdf

SumatraPDF reader

Quality
48/100
Needs review
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
38/100
Needs manual review

Do a manual repository review before adding this to an agent workflow.

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.

Adoption145 stars
Verified outcomes are shown on each skill page
11K stars
Verified outcomes are shown on each skill page
15K stars
Verified outcomes are shown on each skill page
17K stars
Verified outcomes are shown on each skill page
FreshnessMay 7, 2024Jul 29, 2026Jun 15, 2026Jun 20, 2026
Use-case fit
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
Workflow fit
RAG knowledge baseContent growth agent
RAG knowledge baseContent growth agent
RAG knowledge baseContent growth agent
RAG knowledge baseCoding review agent
Platform hintsJavaScript, PDF, Claude CodeTypeScript, PDF, Claude CodeC++, PDF, Claude CodeC, PDF, Claude Code
WarningsRepository looks stale · No OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forDocument processing workflows · Claude Code teams · builders willing to evaluate younger projectsDocument processing 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 require actively maintained dependencies · production agents without a repository 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 ansu5555/pdf-viewer-reactjs
$ npx skills add wojtekmaj/react-pdf
$ npx skills add xournalpp/xournalpp
$ npx skills add sumatrapdfreader/sumatrapdf