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

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	Php Watermark Add text or image Watermark on image and PDF files	Paperless Ngx A community-supported supercharged document management system: scan, index and archive all your documents	OCRmyPDF OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched	Koreader An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
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.
Adoption	141 stars 0 installs	42K stars 0 installs	34K stars 0 installs	27K stars 0 installs
Freshness	Aug 14, 2023	Jun 20, 2026	Jun 12, 2026	Jun 24, 2026
Use-case fit	Document processing RAG and knowledge Workflow automation	Document processing RAG and knowledge Coding agents	Document processing RAG and knowledge Workflow automation	Document processing RAG and knowledge Coding agents
Stack fit	RAG knowledge base Content growth agent	RAG knowledge base Content growth agent	RAG knowledge base Content growth agent	RAG knowledge base Content growth agent
Platform hints	PHP, PDF, Claude Code	Python, PDF, Claude Code	Python, PDF, Claude Code	Lua, PDF, Claude Code
Warnings	Repository looks stale · 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 require actively maintained dependencies · production agents without a repository 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 ajaxray/php-watermark`	`$ npx skills add paperless-ngx/paperless-ngx`	`$ npx skills add ocrmypdf/OCRmyPDF`	`$ npx skills add koreader/koreader`