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.

Add more skills

Decision summary

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

Strongest overall

Paperless Ngx

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

Fastest prototype

Paperless Ngx

Best first install candidate based on install readiness and adoption.

Freshest repo

Koreader

Most recent maintenance signal among this shortlist.

Signal	OpenlibExtended An Open source app to download and read books from shadow library (Anna’s Archive)	Paperless Ngx A community-supported supercharged document management system: scan, index and archive all your documents	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.
Quality	73/100 Strong	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	72/100 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.
Adoption	392 stars 0 installs	42K stars 0 installs	27K stars 0 installs	22K stars 0 installs
Freshness	Mar 4, 2026	Jun 20, 2026	Jun 24, 2026	Jun 22, 2026
Use-case fit	Document processing RAG and knowledge Coding agents	Document processing RAG and knowledge Coding agents	Document processing RAG and knowledge Coding agents	Document processing RAG and knowledge Browser automation
Stack fit	RAG knowledge base Content growth agent	RAG knowledge base Content growth agent	RAG knowledge base Content growth agent	RAG knowledge base Browser QA agent
Platform hints	Dart, PDF, Claude Code	Python, PDF, Claude Code	Lua, PDF, Claude Code	TypeScript, PDF, Claude Code
Warnings	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet
Best for	Document processing workflows · Claude Code teams · builders willing to evaluate younger projects	Document processing workflows · Claude Code teams · teams that value GitHub adoption signals	Document processing workflows · Claude Code teams · teams that value GitHub adoption signals	Document processing workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal for	teams that need a vendor-supported SLA · high-compliance environments without internal security review	teams that need a vendor-supported SLA · high-compliance environments without internal security review	teams that need a vendor-supported SLA · high-compliance environments without internal security review	teams that need a vendor-supported SLA · high-compliance environments without internal security review
OpenAgentSkill engagement	0 views 0 install copies	0 views 0 install copies	0 views 0 install copies	0 views 0 install copies
Install	`$ npx skills add warreth/OpenlibExtended`	`$ npx skills add paperless-ngx/paperless-ngx`	`$ npx skills add koreader/koreader`	`$ npx skills add readest/readest`