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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

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

Strongest overall

Koreader

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

Fastest prototype

Koreader

Best first install candidate based on install readiness and adoption.

Freshest repo

Koreader

Most recent maintenance signal among this shortlist.

SignalKotlin Toolkit

A toolkit for ebooks, audiobooks and comics written in Kotlin

Koreader

An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices

Readest

Readest is a modern, feature-rich ebook reader designed for avid readers offering seamless cross-platform access, powerful tools, and an intuitive interface to elevate your reading experience.

ImageToolbox

🖼️ Image Toolbox is a powerful app for advanced image manipulation. It offers dozens of features, from basic tools like crop and draw to filters, OCR, and a wide range of image processing options

Quality
83/100
Strong
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
82/100
Strong shortlist

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

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.

Adoption351 stars
0 installs
27K stars
0 installs
22K stars
0 installs
13K stars
0 installs
FreshnessJun 19, 2026Jun 24, 2026Jun 22, 2026Jun 18, 2026
Use-case fit
Document processingRAG and knowledgeSports analytics
Document processingRAG and knowledgeCoding agents
Document processingRAG and knowledgeBrowser automation
Document processingRAG and knowledgeCoding agents
Stack fit
RAG knowledge baseContent growth agent
RAG knowledge baseContent growth agent
RAG knowledge baseBrowser QA agent
RAG knowledge baseContent growth agent
Platform hintsKotlin, PDF, Claude CodeLua, PDF, Claude CodeTypeScript, PDF, Claude CodeKotlin, 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 · 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 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 readium/kotlin-toolkit
$ npx skills add koreader/koreader
$ npx skills add readest/readest
$ npx skills add T8RIN/ImageToolbox