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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

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

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Decision summary

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

Strongest overall

Qpdf

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

Fastest prototype

Qpdf

Best first install candidate based on install readiness and adoption.

Freshest repo

Qpdf

Most recent maintenance signal among this shortlist.

SignalDiff Pdf

A simple tool for visually comparing two PDF files

Qpdf

qpdf: A content-preserving PDF document transformer

PDF4QT

Open source PDF editor.

Caj2pdf Qt

CAJ 转 PDF 转换器（GUI 版本）

Quality
100/100
Excellent
100/100
Excellent
100/100
Excellent
73/100
Strong
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.

75/100
Strong shortlist

Shortlist this skill and compare it with close alternatives before production adoption.

Adoption4.3K stars
0 installs
5.1K stars
0 installs
1.4K stars
0 installs
1.8K stars
0 installs
FreshnessMar 28, 2026Jun 13, 2026Jun 5, 2026Mar 31, 2024
Use-case fit
Document processingRAG and knowledgeWorkflow automation
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeCoding agents
Stack fit
RAG knowledge baseContent growth agent
RAG knowledge baseContent growth 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 major risk signals from current metadataRepository looks stale · No 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 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 require actively maintained dependencies · production agents without a repository review
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Install
$ npx skills add vslavik/diff-pdf
$ npx skills add qpdf/qpdf
$ npx skills add JakubMelka/PDF4QT
$ npx skills add sainnhe/caj2pdf-qt