Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
OCRmyPDF
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
OCRmyPDF
Best first install candidate based on install readiness and adoption.
Freshest repo
Sioyek
Most recent maintenance signal among this shortlist.
| Signal | Libvips A fast image processing library with low memory needs. | Sumatrapdf SumatraPDF reader | Sioyek Sioyek is a PDF viewer with a focus on textbooks and research papers | OCRmyPDF OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched |
|---|---|---|---|---|
| Quality | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| 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. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 11K stars Verified outcomes are shown on each skill page | 17K stars Verified outcomes are shown on each skill page | 9.8K stars Verified outcomes are shown on each skill page |
| 34K stars Verified outcomes are shown on each skill page |
| Freshness | Jun 15, 2026 | Jun 20, 2026 | Aug 5, 2026 | Jun 12, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | C, PDF, Claude Code | C, PDF, Claude Code | C, PDF, Claude Code | Python, 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 · 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 | 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 libvips/libvips | $ npx skills add sumatrapdfreader/sumatrapdf | $ npx skills add ahrm/sioyek | $ npx skills add ocrmypdf/OCRmyPDF |